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    Wyświetlanie 1-36 z 36
    Tytuł:
    Taxus baccata in Morocco: a tree in regression in its southern extreme
    Autorzy:
    Romo, Angel
    Iszkuło, Grzegorz
    Taleb, Mohammed Seghir
    Walas, Łukasz
    Boratyński, Adam
    Powiązania:
    https://bibliotekanauki.pl/articles/956808.pdf
    Data publikacji:
    2017
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Tematy:
    dakhs
    ecology
    forestry
    phytogeography
    plant conservation
    niche modelling
    Opis:
    The knowledge on chorology of species is basic for biogeographic and ecological studies and for conservation actions. The data on the chorology of Taxus baccata in Morocco have not been studied. The bibliographic resources, herbarium material, unpublished data of several botanists and the authors’ field notes have been reviewed. Two yew populations on Jbel Lakrâa in the Rif and near Bekrit in the Middle Atlas were measured to verify demographic structure and health conditions. The Maxent model of predicted habitat based on bioclimatic variables was used to evaluate the potential geographic range of T. baccata. The species occurs in the mountain areas of northern Morocco: in the Rif, the Middle and High Atlas, at altitudes between (500) 1200 and 2000 (2350) m. In the High Atlas, it reaches its southernmost locations within the geographic range. The populations represented by the highest number of individuals are found in the Western Rif and Middle Atlas, while from the High Atlas only single, isolated individuals are known. The yew occurred preferably in forests of Cedrus atlantica, Abies maroccana, groves of Betula fontqueri, Ilex aquifolium and Prunus lusitanica and in riparian forests located in narrow gorges. Seedlings were observed only at single localities. The population of T. baccata in the Rif presented a good health condition with successful regeneration, while the population in the Middle Atlas was in a much worse state, where only 4–8 m high yews were observed, without natural regeneration. The Maxent model of predicted habitat, based on bioclimatic variables, suggests that T. baccata could occur today in much broader mountainous areas in Morocco, especially in the Rif and Middle Atlas. However, the progressive decline of this species in Morocco indicates the significant importance of other factors on yew distribution, including microsite conditions and human pressure. Taxus baccata in Morocco is in regression at most of its localities and should be treated as a vulnerable species. Measures to ensure the yew’s conservation are needed, especially at its southernmost localities in the High Atlas.
    Źródło:
    Dendrobiology; 2017, 78; 63-74
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Baeothryon alpinum (L.) T.V. Egorova (Cyperaceae) in the Polish Lowlands: distribution, population decrease and implications for conservation
    Autorzy:
    Pawlikowski, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/57279.pdf
    Data publikacji:
    2010
    Wydawca:
    Polskie Towarzystwo Botaniczne
    Tematy:
    Baeothryon alpinum
    Cyperaceae
    Polish Lowland
    plant distribution
    plant population
    plant conservation
    threatened plant
    locality
    Opis:
    A total of 47 localities of Baeothryon alpinum, hosting population of more than 100 000 shoots, were recorded in the lowland part of Poland during field surveys in the years 2003-2009. Among them were 25 populations discovered for the first time. Out of 57 sites of the species known from literature and unpublished (including herbarium) sources, 35 were not confirmed during the survey, 27 of them being definitely extinct. B. alpinum shows a clear pattern of distribution in Poland, with three main areas of occurrence: 1) the north-easternmost Poland (Lithuanian Lake District with the adjacent parts of the Masurian Lake District and the upper Biebrza river valley in North Podlasie Lowlands), which is part of the species boreal main range; 2) scattered localities in north-western Poland; 3) mountain mires at higher altitudes in the Sudetes and Tatra mountains and the adjacent part of southern Poland. The main aggregation of localities is found in Augustów Forest (including the Sejny Lakeland and Wigry National Park), and in the Góry Sudawskie region with adjacent areas. The biggest Polish population in the "Kobyla Biel" fen near Augustów consisted of several dozens of thousands of shoots. The Lithuanian Lake District is an area of general importance for the conservation of B. alpinum in Poland. The species is threatened, first of all, due to secondary succession (mires overgrowing with shrubs, trees and reed) and requires conservation measures as well as establishing nature reserves in places where it occurs. The degree that B. alpinum decreases in number is strikingly different in particular regions of Poland - it has lost most of its localities in north-western Poland and in Masurian Lake District, while in the Lithuanian Lake District and the upper Biebrza valley there are minor losses only. Depending on the region (from the west to the east and from the south-west to the north-east), the species should be given extinct or critically endangered (regions of north-western and southern Poland), endangered (Masurian Lake District), vulnerable (North Podlasie Lowlands) and near threatened (Lithuanian lake District) status. Although the disappearance of the populations beyond the species main range is a common phenomenon, the presented pattern is man-related and connected with differences in land management.
    Źródło:
    Acta Societatis Botanicorum Poloniae; 2010, 79, 3
    0001-6977
    2083-9480
    Pojawia się w:
    Acta Societatis Botanicorum Poloniae
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Chorological and conservation status of the endemic cypress, Cupressus atlantica Gaussen, in the High Atlas (Morocco)
    Autorzy:
    Sekiewicz, K.
    Sekiewicz, M.
    Romo, A.
    Didukh, Y.
    Fennane, M.
    Boratynski, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/41144.pdf
    Data publikacji:
    2014
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Tematy:
    chorology
    conservation status
    endemic plant
    cypress
    Cupressus atlantica
    Cupressaceae
    forest ecosystem
    degraded ecosystem
    High Atlas Mountains
    plant conservation
    plant geography
    Morocco
    Opis:
    We present a study of the distribution, ecology and conservation status of Cupressus atlantica, an endemic tree of the High Atlas (Morocco). The main populations of this species grow in a reduced area along the N’Fiss valley in the Central High Atlas and are gradually receding. Particular populations are increasingly fragmented and the total area covered by the cypress woodland has decreased to less than a third of the surface occupied in the 1930s. Overgrazing reduces the woodlands’ regenerative capacity, and the exploitation of the wood, linked to traditional uses by the rural society of the N’Fiss valley, directly reduces the number of trees. Great efforts being made to protect the species by the Haut Commissariat aux Eaux et Forêts are having some effect in recent years.
    Źródło:
    Dendrobiology; 2014, 71
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Variability of needle characters of Pinus mugo Turra populations in the Karkonosze Mountains in Poland
    Autorzy:
    Sobierajska, K
    Boratynska, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/41473.pdf
    Data publikacji:
    2008
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Tematy:
    Polska
    Karkonosze Mountains
    mountain pine
    subalpine plant
    Pinus mugo
    needle variability
    morphological characteristics
    anatomical characteristics
    plant variation
    plant conservation
    plant population
    Opis:
    The basic aim of the work was to widen the knowledge about variation of Pinus mugo in the Karkonosze (Giant) Mountains and verification of provenance of several, probably planted populations on that basis. Seven populations were sampled, four on hardly accessible precipices of glacial cirques as natural, and three on the topical, mostly plane or only slightly in clined parts of the mountains as potentially alien ones. The variation of the needles was biometrically analyzed in respect of 23 morphological and anatomical characters. Measurement data were subject of multivariate statistical analyses. Results call attention on rather continuous variability of P. mugo in the Karkonosze Mts. The differences among samples were found as relatively low and no direct connections have been detected between variation and provenance from precipices versus plane sites.
    Źródło:
    Dendrobiology; 2008, 59; 41-49
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    In vitro callus and shoot organogenesis from leaf and stem explants of Chamaedaphne calyculata
    Autorzy:
    Zrobek-Sokolnik, A.
    Dynowski, P.
    Holdynski, C.
    Powiązania:
    https://bibliotekanauki.pl/articles/41437.pdf
    Data publikacji:
    2014
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Tematy:
    in vitro culture
    callus
    shoot
    organogenesis
    leaf
    stem
    explant
    Chamaedaphne calyculata
    Ericaceae
    micropropagation
    plant species
    plant conservation
    Opis:
    Leatherleaf Chamaedaphne calyculata (L) Moench is a relict, rare and endangered species in Poland. There are no reports on the micropropagation of Chamaedaphne calyculata in the literature. Therefore, the aim of this study was to propose a propagation protocol for leatherleaf via indirect organogenesis using leaves and stems (internodal segments) derived from mature plants growing in a natural stand and from plants grown in vitro as explants. The medium developed by Anthony et al. (2004) with 100%, 50% and 25% salt concentrations, supplemented with IAA (5 and 10μM) and TDZ (5 and 10μM), was used for callus development and the induction of adventitious shoots. The media developed by Anthony et al. (2004) and Anderson (1980), both containing 10μM TDZ and 5μM IAA or 2.28μM zeatin, were used for adventitious shoot elongation. Secondary explants proved to be the most effective starting material for callus induction, the regeneration and elongation of adventitious shoots. The most supportive medium for callus induction and growth and the induction of adventitious shoots was the full medium proposed by Anthony et al. (2004) containing 5μM IAA and 10μM TDZ. Anderson’s (1980) medium containing 2.28μM zeatin delivered optimal results in the elongation of adventitious shoots of Ch. calyculata. Roots were cultivated on Anderson’s (1980) phytohormone-free medium. Approximately 65% of the plantlets survived after transfer to the sphagnum-peat and perlite mixture (3:1). The plants grew normally without any signs of morphological variation. This study makes the first ever attempt to propose an effective micropropagation protocol for Ch. calyculata.
    Źródło:
    Dendrobiology; 2014, 72
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Soil environment of Pulsatilla vernalis (L.) Mill. at selected sites in the Polish lowland
    Autorzy:
    Grzyl, A.
    Niewiadomski, A.
    Woziwoda, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/58134.pdf
    Data publikacji:
    2013
    Wydawca:
    Polskie Towarzystwo Botaniczne
    Tematy:
    soil environment
    Pulsatilla vernalis
    site
    Polish lowland
    lowland
    relict population
    rare plant
    distribution
    soil property
    ecological indicator value
    active conservation
    plant conservation
    Polska
    Opis:
    The paper presents soil conditions of Pulsatilla vernalis in the Polish lowland. There were determined species preferences in relation to physical and chemical properties, grain size composition and the type of soil. It has been found that P. vernalis prefers very poor sandy, acid, dry and permeable soils, with small water capacity. The range of habitat parameters at the lowland sites differs, however, from the conditions at the mountain sites. Due to specific habitats of the species, new ecological indicator values were proposed for the lowland sites of P. vernalis. The results of soil analysis presented in this paper, as well as other data related to biology of the species, should be accounted for in the active protection plan, including the processes of reintroduction and introduction of the species.
    Źródło:
    Acta Societatis Botanicorum Poloniae; 2013, 82, 4
    0001-6977
    2083-9480
    Pojawia się w:
    Acta Societatis Botanicorum Poloniae
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Conservation of vegetation cover in the Gluszec stream valley in Poznan (Poland) in the agri-environmental program
    Autorzy:
    Borysiak, J.
    Grabowska, B.
    Kubala, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/878282.pdf
    Data publikacji:
    2013
    Wydawca:
    Uniwersytet Przyrodniczy w Poznaniu
    Tematy:
    vascular plant
    plant conservation
    vegetation cover
    biomonitoring
    grassland ecosystem
    phytosociology
    plant association
    vegetation complex
    Gluszec stream
    Gluszec valley
    Poznan city
    Polska
    agro-environmental programme
    Opis:
    The vegetation cover of the Głuszec stream valley was investigated. The article presents a list of 294 recorded species of vascular plants from 65 families and, also, 47 plant associations from nine classes, from three dynamic vegetation circles: Carici elongatae-Alnetum, Fraxino-Alnetum and Querco- -Ulmetum minoris. Six types of vegetation complexes were documented. Their phytocoenotic structure was shown in a table containing relevés made in sigmassociations. The preliminary results of research on the dynamics of Dactylorhiza incarnata population, occurring in one of meadow complexes, were presented. The Głuszec stream valley was recognised as the region of exceptional natural plant cover within the city of Poznań and proposed to be incorporated into the green network of the Poznań Agglomeration. The valley was also included in the agri-environmental program. An active protection of grassland ecosystems is achieved by adhering to the requirements of this program and additional recommendations of an expert botanist.
    Źródło:
    Roczniki Akademii Rolniczej w Poznaniu. Botanika-Steciana; 2013, 17
    1896-1908
    Pojawia się w:
    Roczniki Akademii Rolniczej w Poznaniu. Botanika-Steciana
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Low genetic diversity in the endangered population of Viola uliginosa in its locus classicus at Rzaska near Cracow [southern Poland] as revealed by AFLP markers
    Autorzy:
    Cieslak, E
    Paul, W.
    Ronikier, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/58111.pdf
    Data publikacji:
    2006
    Wydawca:
    Polskie Towarzystwo Botaniczne
    Tematy:
    genetic diversity
    endangered population
    Viola uliginosa
    Rzaska n.Krakow
    Polska
    AFLP marker
    plant conservation
    rare plant
    threatened plant
    wet habitat
    genetic structure
    population structure
    Opis:
    An extremely endangered population of Viola uliginosa Besser at the classical locality of this taxon has been studied. The AFLP analysis was based on 18 specimens of V. uliginosa (about 10% of preserved individuals); additionally, two individuals of V. riviniana were included in the data set as the out group. A high genetical uniformity of the whole population (similarity indexes close to 1) was detected. It was not correlated significantly with the spatial distribution of the plants. The study serves as a basis for practical conservation measures and at the same time as a starting point for a more extensive research on the genetical variability of the species throughout its range.
    Źródło:
    Acta Societatis Botanicorum Poloniae; 2006, 75, 3; 245-251
    0001-6977
    2083-9480
    Pojawia się w:
    Acta Societatis Botanicorum Poloniae
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Conservation of the endangered medicinal plant Picrorhiza kurroa through in vitro multiple shoot regeneration
    Autorzy:
    Chaudhary, V.
    Singh, S.
    Sharma, R.
    Singh, A.
    Sharma, N.
    Powiązania:
    https://bibliotekanauki.pl/articles/80933.pdf
    Data publikacji:
    2019
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    medicinal plant
    Picrorhiza kurroa
    endangered plant
    shoot regeneration
    micropropagation
    conservation
    Źródło:
    BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology; 2019, 100, 3
    0860-7796
    Pojawia się w:
    BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    In situ genetic variability and micropropagation of Cerastium banaticum (Rochel) Heuff. (Caryophyllaceae)– a rare and endemic species from Romania
    Autorzy:
    Cristea, V.
    Besenyei, E.
    Jarda, L.
    Farkas, A.
    Marcu, D.
    Clapa, D.
    Halmagyi, A.
    Butiuc-Keul, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/2117879.pdf
    Data publikacji:
    2019
    Wydawca:
    Polska Akademia Nauk. Czasopisma i Monografie PAN
    Tematy:
    acclimatization
    biodiversity conservation
    plant growth regulators
    SSR markers
    Opis:
    Rare and endemic plant species represent important components of plant biodiversity which require protection to ensure their sustainable conservation. Cerastium banaticum (Rochel) Heuff. is such an endemic and rare species from Romania, for which the genetic variability of two natural populations was studied by SSR markers. Shannon’s information index revealed low levels of genetic diversity in both populations (I = 0.296). As the first attempt in a conservation program a reproducible micropropagation protocol was established starting from seeds, followed by multiplication, rooting, and ex vitro acclimatization. Among the various plant growth regulators tested the highest multiplication coefficient was achieved on a culture medium with 0.5 mg L -1 6-furfurylaminopurine (K) and 1 mg L -1 α-naphthaleneacetic acid (NAA). On this PGRs concentration a number of 26.6 shoots/individual explant with a mean length of 7.9 cm for new generated shoots was registered. The highest number of roots/indi- vidual initiated shoot was 2.6 and it was recorded on a culture medium with 0.5 mg L -1 2-isopentyl-adenine (2iP) and 0.1 mg L -1 NAA. The outdoor acclimatization was successfully performed in a specially designed rocky area in the ‘Alexandru Borza’ Botanical Garden, Cluj-Napoca (Romania).
    Źródło:
    Acta Biologica Cracoviensia. Series Botanica; 2019, 61, 1; 53-62
    0001-5296
    Pojawia się w:
    Acta Biologica Cracoviensia. Series Botanica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Arbuscular mycorrhiza of endemic and endangered plants from the Tatra Mts
    Autorzy:
    Zubek, S
    Turnau, K.
    Blaszkowski, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/57673.pdf
    Data publikacji:
    2008
    Wydawca:
    Polskie Towarzystwo Botaniczne
    Tematy:
    conservation
    endemic plant
    Tatras Mountains
    mycorrhizal status
    endangered plant
    botany
    arbuscular mycorrhiza
    plant species
    Opis:
    The mycorrhizal status of 24 plant species considered as endemic, endangered in Poland and included in the IUCN Red List of Threatened Plants is reported. Selected plants and rhizosphere soil samples were collected in the Tatra Mts (Western Carpathians). Individuals of seriously threatened taxa were obtained from seeds and inoculated with available AM fungal strains under laboratory conditions. AM colonisation was found in 16 plants; 9 species were of the Arum-type, 4 - Paris and 3 taxa revealed intermediate morphology. The mycelium of the fine endophyte (Glomus tenue) and dark septate fungi (DSE) were observed in the material collected in the field. 20 AMF species (Glomeromycota) found in the rhizosphere of the investigated plants were reported for the first time from the Tatra Mts. The results provide information that might be useful for conservation and restoration programmes of these species. Application of AMF in active plant protection projects is discussed.
    Źródło:
    Acta Societatis Botanicorum Poloniae; 2008, 77, 2
    0001-6977
    2083-9480
    Pojawia się w:
    Acta Societatis Botanicorum Poloniae
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Pollination of Polish red list plants: a preliminary statistical survey
    Biologia zapylania roslin z Polskiej czerwonej listy: wstepna analiza statystyczna
    Autorzy:
    Zych, M
    Jakubiec, A
    Powiązania:
    https://bibliotekanauki.pl/articles/28584.pdf
    Data publikacji:
    2008
    Wydawca:
    Polskie Towarzystwo Botaniczne
    Tematy:
    conservation
    Polish red list
    biodiversity
    plant-pollination interaction
    pollination crisis
    plant
    statistical analysis
    Opis:
    One of the important problems of modern conservation biology is the lack of reliable data on plant pollination systems, especially for taxa threatened with extinction. This paper is an attempt to collect and analyze the available literature data on pollination of Polish red list plants. The Polish red list includes 469 angiosperm taxa, over 53% of them are insect-pollinated and visited mostly by bees and fl ies, insects that are also declining in Europe. These numbers however are mainly based on lists of fl ower visitors and detailed studies of pollination biology or breeding system are available for less than 20% of the taxa, with further 10% almost completely unstudied in terms of their life histories. The paper indicates that there is an urgent need to study plant-pollinator relationships in order to better conserve the biodiversity in local and global scales.
    Jednym z poważniejszych problemów współczesnej ochrony przyrody jest brak informacji o systemach zapylania roślin, zwłaszcza gatunków zagrożonych wyginięciem. Niniejsza praca jest próbą zebrania i przeglądu dostępnych danych literaturowych dotyczących biologii zapylania roślin z Polskiej czerwonej listy. Wyniki analizy wskazują, iż spośród 469 taksonów roślin okrytonasiennych umieszczonych na liście, 53% to gatunki owadopylne, zapylane głównie przez pszczołowate i muchówki – owady także zagrożone w skali Europy. Przegląd literatury wskazuje także, że dane te oparte są głównie na opublikowanych listach kwiatowych gości, a dokładne badania biologii zapylania lub systemów reprodukcyjnych są dostępne dla mniej niż 20% badanych taksonów – dla dalszych 10% taksonów brakuje jakichkolwiek informacji w tej dziedzinie. Praca wskazuje potrzebę głębszego zbadania zależności rośliny- zapylacze w celu lepszej ochrony ich zróżnicowania w skali lokalnej i globalnej.
    Źródło:
    Acta Agrobotanica; 2008, 61, 1
    0065-0951
    2300-357X
    Pojawia się w:
    Acta Agrobotanica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Ehkologicheskaja kharakteristika raboty solnechnykh i vetrovykh ehlektrostancijj
    Environmental characteristic of solar and wind power plants
    Autorzy:
    Bekirov, Eh.
    Furcenko, N.
    Powiązania:
    https://bibliotekanauki.pl/articles/76940.pdf
    Data publikacji:
    2013
    Wydawca:
    Komisja Motoryzacji i Energetyki Rolnictwa
    Tematy:
    environmental safety
    renewable energy
    power plant
    wind power plant
    solar power plant
    energy conservation
    energy source
    environment parameter
    Opis:
    Environmental safety characteristics of solar and wind power plants during the construction and operation are investigated. Issues of a solar cells production and a land allocation for renewable energy sources are discussed.
    Źródło:
    Motrol. Motoryzacja i Energetyka Rolnictwa; 2013, 15, 5
    1730-8658
    Pojawia się w:
    Motrol. Motoryzacja i Energetyka Rolnictwa
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Micropropagation of five endemic, rare and/or endangered Narcissus species from the Iberian Peninsula (Spain and Portugal)
    Autorzy:
    Juan-Vicedo, J.
    Pavlov, A.
    Rios, S.
    Casas, J.L.
    Powiązania:
    https://bibliotekanauki.pl/articles/2117723.pdf
    Data publikacji:
    2021
    Wydawca:
    Polska Akademia Nauk. Czasopisma i Monografie PAN
    Tematy:
    bulb scales
    conservation
    endangered plants
    micropropagation
    Narcissus
    plant
    growth regulators
    Opis:
    The genus Narcissus has several endemic, rare and/or threatened species in the Iberian Peninsula and North Africa. In vitro propagation is a useful tool for threatened plants conservation used in ex situ strategies. Thus, the aim of this work was to study the propagation in vitro of bulb scale explants of five endemic, rare and/or endangered Narcissus species from the Iberian Peninsula, treated with different PGR combinations. Initiation was achieved in half-strength Murashige and Skoog (MS) basal salts and vitamins, 10 g/L sucrose, 500 mg/L casein hydrolysate, 2 mg/L adenine, 10 mg/L glutathione and 5.5 g/L plant agar. In the multiplication phase, the highest bulblet proliferation was obtained in MS medium supplemented with 30 g/L sucrose and the combination of 10 μM 6-Benzylaminopurine (BAP) + 5 μM α-Naphthaleneacetic acid (NAA) in N. alcaracensis, N. eugeniae and N. hedraeanthus; 20 μM BAP + 5 μM NAA in N. jonquilla and N. yepesii. The highest rooting was obtained with 5 μM NAA + 1 μM Indole-3-butyric acid (IBA) for all species (>75%) and more than 80% of the produced bulblets were successfully acclimatized.
    Źródło:
    Acta Biologica Cracoviensia. Series Botanica; 2021, 63, 1; 55-61
    0001-5296
    Pojawia się w:
    Acta Biologica Cracoviensia. Series Botanica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The influence of conservation tillage on the mineral elements content in soil and chemical composition of onion
    Wpływ uprawy konserwującej na zawartość składników mineralnych w glebie i skład chemiczny cebuli
    Autorzy:
    Błażewicz-Woźniak, M.
    Kęsik, T.
    Wach, D.
    Konopiński, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/11541746.pdf
    Data publikacji:
    2008
    Wydawca:
    Uniwersytet Przyrodniczy w Lublinie. Wydawnictwo Uniwersytetu Przyrodniczego w Lublinie
    Tematy:
    conservation tillage
    mineral element content
    soil
    chemical composition
    onion
    cover plant
    rye
    vetch
    mulch
    Opis:
    In a field experiment with conservation tillage of Wolska variety of onion the influence of cover plants such as spring rye (Secale cereale) and common vetch (Vicia sativa) as well as varied pre-sowing cultivation measures: no-tillage, disc harrowing during the spring, disc harrowing before the winter in comparison with conventional cultivation, on the content of mineral elements in soil and onion were studied. The content of mineral elements in soil and in onion was modified in greater degree by the changes in weather than by the agro-technical factors. No significant influence of conservation tillage on the content of mineral components in soil or in the onion was found. Soil covered with plant mulch contained slightly more potassium and magnesium in the arable layer in comparison with bare soil. The onion cultivated by using cover plants accumulated slightly more dry mass, N-total and potassium.
    W doświadczeniu polowym z uprawą konserwującą cebuli odm. Wolska badano wpływ zastosowania roślin okrywowych: żyta jarego (Secale cereale) i wyki siewnej (Vicia sativa) oraz zróżnicowanych sposobów uprawy przedsiewnej: uprawa zerowa, talerzowanie wiosną, talerzowanie przed zimą w porównaniu z uprawą konwencjonalną, na zawartość składników mineralnych w glebie i w cebuli. Zawartość składników mineralnych w glebie i w cebuli była modyfikowana w większym stopniu przebiegiem pogody niż czynnikami agrotechnicznymi. Nie stwierdzono istotnego wpływu uprawy konserwującej na zawartość składników mineralnych w glebie i w cebuli. Gleba okryta mulczem roślinnym zawierała nieco więcej potasu i magnezu w warstwie ornej w porównaniu z glebą nieosłoniętą. Cebula uprawiana z użyciem roślin okrywowych gromadziła nieznacznie więcej suchej masy, N-ogółem i potasu.
    Źródło:
    Acta Scientiarum Polonorum. Hortorum Cultus; 2008, 07, 2; 61-72
    1644-0692
    Pojawia się w:
    Acta Scientiarum Polonorum. Hortorum Cultus
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Analyses of spatial structure and selected measures of growth of Sorbus torminalis in Forest District Jamy (northern Poland)
    Autorzy:
    Bednorz, L.
    Kazmierczak, K.
    Kaczmarek, L.
    Powiązania:
    https://bibliotekanauki.pl/articles/41095.pdf
    Data publikacji:
    2012
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Tematy:
    spatial structure
    plant growth
    Sorbus torminalis
    service tree
    wild plant
    growing space
    tree crown
    conservation
    competition
    Polska
    Jamy Forest District
    Opis:
    The subject of the study was a dynamic population of Sorbus torminalis resulting from spontaneous regeneration from seeds in northern Poland. The population, occupying a fenced plot of 1.72 ha in Forest District Jamy, amounted to 579 individuals. The spatial structure of population and some basic individual traits of trees were recorded, then the growing space of individual trees was examined. The following measures of tree growing space were investigated: crown diameter and projection area, and tree volume. The spatial structure of population was non-random, and there was evidence for effects of population density on tree performance. The observations have to be continued in order to describe optimal growing space of wild service tree; the results could be used to improve in situ conservation of this rare and valuable species.
    Źródło:
    Dendrobiology; 2012, 67
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Effect of different tillage systems on the macronutrient content and uptake in sugar beets
    Autorzy:
    Gaj, R.
    Budka, A.
    Przybyl, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/14411.pdf
    Data publikacji:
    2015
    Wydawca:
    Uniwersytet Warmińsko-Mazurski w Olsztynie / Polskie Towarzystwo Magnezologiczne im. Prof. Juliana Aleksandrowicza
    Tematy:
    plant cultivation
    tillage system
    macronutrient content
    macronutrient uptake
    sugar-beet
    conservation tillage
    nutrient content
    nutrient uptake
    Opis:
    The study, carried out in 2012-2013, intended to determine effects of different cultivation systems on the uptake and content of macronutrients (nitrogen, phosphorus, potassium, magnesium, calcium and sodium) in sugar beets at the technological maturity stage. A conventional tillage system (SO) was compared to simplified technologies of soil cultivation. The following conservation tillage systems were analyzed: (2) tillage to a depth of 35 cm and sowing into stubble mulch (MS35); (3) shallow tillage to a depth of 15 cm and sowing into stubble mulch (MS15); (4) tillage to a depth of 15 cm and sowing into white mustard mulch; (5) strip-till on stubble mulch to a depth of 25 cm and instantaneous beet seed sowing (STS); (6) strip-till to a depth of 25 cm on white mustard mulch and instantaneous beet seed sowing (STG). Mineral nutrient concentrations in beets varied depending on the cultivation system applied and the plant organ analyzed. The experimental factor significantly differentiated the content of P, K, Ca, Mg and Na in both beet leaves and roots, having no effect on the nitrogen content. When compared to the conventional tillage system, a decreasing trend for phosphorus and calcium in beet leaves and a significant increase of sodium both in beet leaves and roots was observed in the simplified cultivation systems. Cultivation simplifications provided some equivocal evidence implicating differences in the nutrient content between the study years. The analysis of correlations between root yields and the total accumulation of nutrients indicated significant relationships for N, P, K, Ca, Mg only in the conventional tillage system and in the treatment with 35 cm deep tillage (soil ripping) along with sowing into stubble mulch (MS35). In the other treatments, strong relationships were observed only for individual nutrients.
    Źródło:
    Journal of Elementology; 2015, 20, 4
    1644-2296
    Pojawia się w:
    Journal of Elementology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Detailed Energy Audit of Thermal Power Plant Equipment
    Autorzy:
    Das, Sourabh
    Mukherjee, Mainak
    Mondal, Surajit
    Powiązania:
    https://bibliotekanauki.pl/articles/1193916.pdf
    Data publikacji:
    2015
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Energy Audit
    Energy Conservation
    Lighting Audit
    Motor Audit
    Pump Audit
    Thermal Power Plant
    Transformer Audit
    Opis:
    Energy audit is a technique developed to reduce unnecessary usage of energy, control and also streamline processes leading to energy efficiency. Energy audit and its impact on a daily basis is high and hence is of good significance. Energy Conservation over the years has been a key in terms of saving excessive bills and building up unnecessary usage both domestically and industrially. The world is not completely energy efficient yet, it should be a made sure that the process to ensure optimum usage and saving wherever possible. In this paper we shall discuss in brief about energy audit in a thermal power plant, techniques and ways data are obtained. India’s strive for complete energizing is yet on the verge of completion, need for saving unused energy and also recovering waste energy can be beneficial in developing an energy content environment. The energy audit carried out in thermal power plant gives a presentation of the data and corners of collecting data.
    Źródło:
    World Scientific News; 2015, 22; 70-90
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Development of organic cultivation of medicinal plants in the North India
    Rozwój ekologicznej uprawy roślin leczniczych w północnych Indiach
    Autorzy:
    Malik, A.A.
    Ahmad, J.
    Abdin, M.Z.
    Powiązania:
    https://bibliotekanauki.pl/articles/71786.pdf
    Data publikacji:
    2013
    Wydawca:
    Instytut Włókien Naturalnych i Roślin Zielarskich
    Tematy:
    organic cultivation
    development
    medicinal plant
    herbal drug
    herbal medicine
    traditional medicine
    conservation
    North India
    India
    Opis:
    Out of 750,000 known plants in the world, a major part are medicinal and aromatic plants – a source of raw material for folk and documented systems of medicines worldwide. The folk and documented medicine in India use about 6,000 plants, although, less than 50 species have been scientifically studied and cultivated to any sizeable extent. The main factor behind the slow pace of domestication of medicinal plants is the absence of knowledge on cultivation practices and lack of suitable technology. About 90% of the medicinal plants for trade are harvested from the wild and the demand for traditional medicinal plants is increasing rapidly. Continuous exploitation of several medicinal plant species from the wild has resulted in their population decline. Hence, an effective strategy is needed for their sustainable utilization and conservation. Cultivation is the most effective way of conservation. Cultivation can also ensure production of standardized raw materials. Thereby, enhances the quality of the manufactured products. The methods and techniques of modern chemical agriculture cannot be adopted for the cultivation of medicinal plants as they should be free from harmful residues. Pesticides and other harmful chemicals have been detected in some herbal products. Hence, to ensure a safe, residue-free and reliable material for use in herbal drug industry, there is an urgent need to adopt strategies for cultivation of medicinal plants that are consistent with principles of good agricultural practices.
    Spośród 750 000 znanych roślin na świecie większość stanowią rośliny aromatyczne i lecznicze – źródło surowca dla medycyny ludowej i naukowej na całym świecie. W medycynie ludowej i naukowej w Indiach używa się około 6000 roślin, chociaż opracowano naukowo i uprawia się na mierzalną skalę mniej niż 50 z nich. Głównym powodem wolnego tempa udomowiania roślin leczniczych jest brak wiedzy na temat sposobów uprawy i brak przydatnej technologii. Około 90% roślin leczniczych przeznaczonych na sprzedaż otrzymuje się ze stanowisk naturalnych i popyt na tradycyjne rośliny lecznicze gwałtownie wzrasta. Nieustanna eksploatacja niektórych gatunków w miejscach ich naturalnego występowania spowodowała zmniejszenie ich populacji. Potrzeba zatem efektywnej strategii ich zrównoważonego użycia i ochrony. Najbardziej efektywną metodą ochrony jest uprawa. Uprawa może także zapewnić produkcję wystandaryzowanego surowca, zatem podnosi także jakość produktu przetworzonego. Metody i technologia nowoczesnego rolnictwa z użyciem środków chemicznych nie mogą być zastosowane w uprawie roślin leczniczych, ponieważ powinny one być pozbawione szkodliwych substancji. W niektórych produktach ziołowych wykryto pestycydy i inne szkodliwe substancje chemiczne. Zatem, by zapewnić bezpieczny, wolny od dodatków innych szkodliwych substancji chemicznych surowiec dla produkcji leków ziołowych, istnieje paląca potrzeba wdrożenia sposobów uprawy roślin leczniczych spójnych z zasadami dobrej praktyki rolniczej.
    Źródło:
    Herba Polonica; 2013, 59, 4
    0018-0599
    Pojawia się w:
    Herba Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Distribution, ecology and conservation status of Dionysia involucrata Zaprjag., an endangered endemic of Hissar Mts (Tajikistan, Middle Asia)
    Autorzy:
    Nowak, A.S.
    Nobis, M.
    Nowak, S.
    Nobis, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/57230.pdf
    Data publikacji:
    2014
    Wydawca:
    Polskie Towarzystwo Botaniczne
    Tematy:
    plant distribution
    plant ecology
    conservation status
    Dionysia involucrata
    endangered species
    endemic species
    vegetation
    chasmophyte
    petrophyte
    phytosociology
    syntaxonomy
    Hissar Mountains
    Tajikistan
    Asia
    Opis:
    Dionysia involucrata Zaprjag. (Primulaceae) is known as critically endangered endemic species of Hissar Mountains in Tajikistan. It is reported from few localities mainly in Varzob River valley and its tributaries. The species inhabits steep or overhanging faces of granite rocks in narrow river gorges. During the research all known populations of D. involucrata were examined in respect of the habitat conditions and species composition of vegetation plots. We analyzed the population extent of the species in its range in Tajikistan and the main threats in order to assess its conservation status. The detrended correspondence analysis was performed on a matrix of 65 relevés and 49 species (vascular plants and mosses), to classify the phytocoenosis with domination of D. involucrata according to their floristic composition in relation to other petrophytic vegetation units. Using our field data regarding present extent of occurrence and area of occupancy we conclude that the threat category of D. involucrata should be reassessed from critically endangered to endangered. The species shows decline tendency in extent of occurrence, area of occupancy as well as in number of locations. The vegetation plots with domination of D. involucrata have relatively high level of separateness due to different species composition. We define the new association – Dionysietum involucratae – representing chasmophytic vegetation of submontane and montane zone in Middle Asia (ca. 1000–1600 m a.s.l.). The plots of Dionysietum involucratae were found mainly on granite rocks, on very steep or overhanging faces, on southwestern or southern exposition. The association is rather poor in species with inconsiderable contribution of mosses. Despite the diagnostic species, Campanula incanescens, Carex koshewnikowii and Scutellaria hissarica were the most abundant and frequent taxa within the researched patches of vegetation.
    Źródło:
    Acta Societatis Botanicorum Poloniae; 2014, 83, 2
    0001-6977
    2083-9480
    Pojawia się w:
    Acta Societatis Botanicorum Poloniae
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Gene conservation and breeding programmes for Picea abies in Lithuania: present-day achievements
    Autorzy:
    Danusevicius, J
    Gabrilavicius, R.
    Danusevicius, D.
    Powiązania:
    https://bibliotekanauki.pl/articles/41718.pdf
    Data publikacji:
    2009
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Tematy:
    international conference
    Europe
    forest ecosystem
    plant breeding
    tree
    Norway spruce
    Picea abies
    breeding programme
    Lithuania
    gene conservation
    genetic resource
    provenance
    plant population
    Opis:
    At present, Norway spruce stands occupy 22% of the total forest area in Lithuania. Most of them are located in the northeastern highland (Žemaitija) and the central part of the country. 25% of the spruce-dominated stands are pure, the rest are mixed. Natural calamities like storms, droughts, and pests cause substantial damage and occur quite frequently. About 40 thousand ha of stands are cut after each storm. The mean wood yield of the spruce stands is 304 m3 ha-1, and the current annual increment is 6.2 m3 ha-1. The climatic conditions of Lithuania are variable enough to cause differentiation of habitats. For Norway spruce, 6 provenance regions have been established. The national gene conservation programme is based on (a) in situ genetic reserves, seed collection stands, and selected genotypes, and (b) ex situ clonal archives, seed orchards, experimental plantations, and gene bank collections. The present-day breeding of Norway spruce comprises family tests of populations for individual and population selection, and plans for inter-population hybrids. A strategy for Norway spruce breeding has been approved for the years 2004-2013. There is a genetically diverse material for future breeding: long-distance provenance tests, and population and family tests. Assessments of two provenance tests (aged 9 and 17 years) in central Lithuania revealed superior performance of central and northeastern Polish provenances: superior height, good stem quality, and late bud-burst in spring. This may be attributed to the favourable effect of transfer: avoidance of spring frosts (late bud-burst and good stem quality), and utilisation of the later part of the growing period for growth (late bud-set and superior height). Norway spruce is a climax species with different domestic and Darwinian fitness. Therefore, we suggest that the domestic fitness of local genotypes may be improved by introducing a few Polish clones in Lithuanian breeding populations.
    Źródło:
    Dendrobiology; 2009, 61 Supplement
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Genetic diversity of wild Thymus capitatus (Lamiaceae) in Tunisia using molecular markers
    Autorzy:
    Ben El Hadj Ali, I.
    Guetat, A.
    Boussaid, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/41663.pdf
    Data publikacji:
    2012
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Tematy:
    genetic diversity
    wild plant
    Thymus capitatus
    Lamiaceae
    Tunisia
    molecular marker
    habitat fragmentation
    conservation strategy
    genetic structure
    Opis:
    In Tunisia, Thymus capitatus L. populations are severely destroyed due to deforestation and over-collecting. The species occurs in small scattered populations decreasing progressively in size. Yet, no conservation or improvement programs are attempted to preserve and promote the potential value of this resource. In this work, we assessed the genetic diversity of nine Tunisian populations of Thymus capitatus L. from different bioclimates, using 103 polymorphic randomly amplified polymorphic DNA (RAPD) loci. The analysis of the genetic variation within and among populations is primordial to elaborate conservation and improvement programs. The species showed a low diversity within populations (0.276
    Źródło:
    Dendrobiology; 2012, 68
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Utility of two mitochondrial markers for identification of Picea abies refugial origin
    Autorzy:
    Litkowiec, M
    Dering, M.
    Lewandowski, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/41333.pdf
    Data publikacji:
    2009
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Tematy:
    coniferous plant
    tree
    Norway spruce
    Picea abies
    mtDNA
    molecular marker
    mitochondrial marker
    identification
    polymerase chain reaction
    RFLP analysis
    gene pool conservation
    forest ecosystem
    plant population
    Opis:
    Picea abies (L.) Karst is one of the most important coniferous species of Europe from both ecological and economical points of view. Traditional methods for the gene pool conservation and biodiversity maintenance in forest ecosystems have been practiced in many countries. For progress in this field using highly polymorphic genetic molecular markers is needed. Our goal was to demonstrate the utility of two polymorphic mitochondrial markers mt15-D02 and nad1 b/c in identification native Norway spruce stands. This molecular markers were tested in 1401 individuals from 59 Polish Norway spruce populations. We detected three alleles, which are called1, 2 and3, for locus mt15-D02 and two alleles , which are called1 and2, for locus nad1 b/c in our material. All five variants of alleles indicate the natural origin of P. abies. Result of this study shows that molecular marker mt15-D02 is easy to use and more informative in compare to marker nad1 b/c.
    Źródło:
    Dendrobiology; 2009, 61; 65-71
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Zachwaszczenie pierwotne marchwi w warunkach uprawy konserwującej
    Primary weed infestation of carrot in conservation tillage
    Autorzy:
    Błażewicz-Woźniak, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/11364480.pdf
    Data publikacji:
    2004
    Wydawca:
    Uniwersytet Przyrodniczy w Lublinie. Wydawnictwo Uniwersytetu Przyrodniczego w Lublinie
    Tematy:
    uprawa konserwujaca
    rosliny okrywowe
    mulcz
    uprawa roslin
    wiosna
    marchew
    zachwaszczenie pierwotne
    warzywa
    conservation tillage
    cover plant
    mulch
    plant cultivation
    spring
    carrot
    primary weed infestation
    vegetable
    Opis:
    W doświadczeniu polowych przeprowadzonym w latach 1998–2000 oceniono wpływ uprawy konserwującej na zachwaszczenie pierwotne marchwi. Porównywano uprawę zerową z uprawą tradycyjną przy zastosowaniu mulczów z roślin okrywowych (gorczyca biała, wyka siewna, facelia, owies siewny). Zaniechanie uprawy przedsiewnej spowodowało wzrost zachwaszczenia pierwotnego marchwi w porównaniu z uprawą tradycyjną. Mulcze roślinne istotnie ograniczyły zachwaszczenie pola przed wschodami i po wschodach marchwi. Najwięcej chwastów występowało na obiekcie niemulczowanym. Szczególnie korzystnie na ograniczenie zachwaszczenia wpłynęło zastosowanie ściółki z facelii i owsa.
    In field experiment conducted in 1998–2000 the influence of conservation tillage on primary infestation of carrot was investigated. In experiment four cover crop mulches (Sinapis alba L., Vicia sativa L., Phacelia tanacetifolia B., Avena sativa L.) were applied. No-tillage cultivation system caused the significant increment of primary weed infestation in carrot in comparison with conventional tillage. Cover crop mulches reduced significantly the number of weeds before and after carrot emergence. The most of weeds stepped out on control objects. Among investigated cover crops a profitable effect on decrease of weed infestation had Phacelia tanacetifolia and Avena sativa mulches.
    Źródło:
    Acta Scientiarum Polonorum. Hortorum Cultus; 2004, 03, 1; 165-174
    1644-0692
    Pojawia się w:
    Acta Scientiarum Polonorum. Hortorum Cultus
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Ecology and conservation status of Taxus baccata population in NE Chalkidiki, northern Greece
    Autorzy:
    Katsavou, I.
    Ganatsas, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/41599.pdf
    Data publikacji:
    2012
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Tematy:
    ecology
    conservation status
    Taxus baccata
    European yew
    plant population
    stand structure
    forest regeneration
    radial growth
    Chalkidiki Peninsula
    Greece
    Opis:
    Taxus baccata L. is a rare species threatenedwith extinction in Greece, as in other parts of Europe. This paper deals with the ecological status of the species in the area of NE Chalkidiki northern Greece, where the species appears in one of the greatest populations of the country. Site, standand yew population characteristics were studied in the area that species occupies. Eleven sample plots were marked, and on each plot, the height and diameter at breast height (DBH) were measured for all yew trees, as well as for all the individuals of the rest tree species, with diameter at breast height greater than 4 cm. Tree vitality of all trees was also estimated according to IUFRO classification. Yew radial growth was studied using tree-ring analysis. Tree natural regeneration was investigated within subplots of different dimensions and according to two height classes. Results showed that yew population occurs in stands dominated by beech, presenting a mean density of 301 trees per hectare, with a total population of 430 trees with DBH above 4 cm. It forms the secondary stand, and dominates in the stand understorey, accompanied with Fagus sylvatica and Ilex aquifolium, while it appears rarely in the overstorey. Yew tree vitality was foundto be quite high, and significantly higher than that of beech. Radial growth of the sampled trees follows a slow and constant annual increment gradually decreasing by tree age. Yew natural regeneration was foundto be relatively low, 1341.8 individuals (seedlings and saplings up to 1 m) per hectare. Management and in situ conservation of the species in the area should focus on species protection measures, andon specific silvicultural treatments for creating favourable conditions for species growth.
    Źródło:
    Dendrobiology; 2012, 68
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Autovegetative reproduction in conservation and selective cultivation of Norway spruce Picea abies (L.) Karst of Istebna race
    Autorzy:
    Rylski, K
    Powiązania:
    https://bibliotekanauki.pl/articles/41485.pdf
    Data publikacji:
    2004
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Tematy:
    autovegetative reproduction
    plant reproduction
    conservation
    selective cultivation
    Norway spruce
    Picea abies
    forest tree
    rooting experiment
    cutting
    progeny
    Opis:
    The paper discusses the results of rooting experiments conducted with the cuttings obtained from 8-year-old spruce trees of Istebna race. The studies investigated the effects of endogenous factors, such as the place of extraction, length and origin of cuttings, and an exogenous factor, which is a rooting stimulus.
    Źródło:
    Dendrobiology; 2004, 51 Supplement
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Plant cover of the Szum River valley [Roztocze, South-East Poland]
    Autorzy:
    Czarnecka, B
    Powiązania:
    https://bibliotekanauki.pl/articles/57610.pdf
    Data publikacji:
    2005
    Wydawca:
    Polskie Towarzystwo Botaniczne
    Tematy:
    river valley
    ecological condition
    Polska
    vascular flora
    plant community
    protected species
    nature conservation
    plant cover
    threatened species
    Roztocze macroregion
    geobotanical cartography
    botany
    Szum River
    Opis:
    The break section of the Szum river and the mouth part of its left tributary, Miedzianka (Roztocze, SE Poland) were the object of the research conducted in the years 1999-2001. The aim of the study was to establish the abiotic conditions of the diversity of vegetation and the richness of vascular flora in a small lowland river valley. A real vegetation map was drawn in the scale 1:5000. The syntaxonomic classification of plant communities and habitat trophism were established on the basis of 120 phytosociological relevés and 160 soil samples, respectively. On the area of barely 35.4 ha identified were 48 plant associations and communities representing 11 phytosociological classes, among them habitats protected in Poland (16 types) and important at the EU scale (3). There were found 378 species of 72 families, including: 21 species under strict protection, 9 under partial protection, 25 plants threatened on the regional scale, and 2 included into the Polish Red Data Book. Most of interesting species and non-forest communities occur in the parts of the valley above and below a landscape reserve 'Szum', established in 1958, covering presently 18.17 ha. The greatest floral richness was found in the peatbog-meadow complexes (Phragmitetea, Molinio-Arrhenatheretea, Scheuchzerio-Caricetea), in bog-alder forests and willow bushes (Alnetea glutinosae), and streamline ash-alder carrs (Querco-Fagetea, Alno-Ulmion), while the smallest - in the pine and poorer upland mixed fir forests (Vaccinio-Piceetea). Vascular flora appears to be the richest in the sections of the valley where the bottom is overgrown by non-forest communities. The results of the study indicate that it is necessary to enlarge the area of the existing nature reserve.
    Źródło:
    Acta Societatis Botanicorum Poloniae; 2005, 74, 1
    0001-6977
    2083-9480
    Pojawia się w:
    Acta Societatis Botanicorum Poloniae
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The wild service tree Sorbus torminalis (L.) Crantz in plant communities of Poland
    Autorzy:
    Bednorz, L
    Powiązania:
    https://bibliotekanauki.pl/articles/41700.pdf
    Data publikacji:
    2007
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Tematy:
    phytosociology
    forest plant community
    niche amplitude
    conservation
    Rosaceae
    wild service tree
    Sorbus torminalis
    plant community
    Polska
    Vaccinio-Piceetea class
    Quercetea roboli-petraeae class
    Querco-Fagetea class
    Opis:
    The available phytosociological data and original observations were used for preparing a list of plant communities with Sorbus torminalis on its natural sites in Poland. The community context of its sites showed a wide range: from pine-oak forests (alliance Dicrano-Pinion) and oak forests (Quercetalia robori-petraeae, Quercetalia pubescenti-petraeae) to oak-hornbeam forests (Carpinion) and beech forests (Fagion). Oak-hornbeam forests (Carpinion) are the most frequent communities with S. torminalis in Poland. Despite this, oak forests (especially the open thermophilous forests of Quercetalia pubescenti-petraeae) seem to be the most suitable sites for growth and reproduction of this light-demanding tree species. Some remarks on S. torminalis conservation in the community context were also presented as its passive protection in some forest reserves has proved to be ineffective or even harmful.
    Źródło:
    Dendrobiology; 2007, 57; 49-54
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Genetic variation of the relict and endangered population of Chamaedaphne calyculata (Ericaceae) in Poland
    Autorzy:
    Szczecinska, M
    Sawicki, J.
    Wasowicz, K.
    Holdynski, C.
    Powiązania:
    https://bibliotekanauki.pl/articles/41179.pdf
    Data publikacji:
    2009
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Tematy:
    plant species
    rare species
    Polska
    endangered population
    relict population
    genetic variation
    Chamaedaphne calyculata
    Ericaceae
    genetic diversity
    conservation
    geographic distribution
    Opis:
    Chamaedaphne calyculata is rare and endangerded species of Polish flora. The genetic variation within and among ten polish population of leatherleaf was analysed by ISSR and ISJ markers. The analysis revealed a total of 160loci with an average of 13.3 bands per primer. We expected a low level of genetic diversity of this narrowly distributed species in Poland, but our results indicate that Ch. calyculata revealed a high level of genetic diversity at species level (P=88.7%of polymorphic loci, AE=1.468, HE=0.290). At the population level, the variation of Ch. calyculata was significantly lower (P=27.6%, AE=1.140, HE=0.098). There was significant correlation between ecological properties (population size; number of flowering ramets) and genetic diversity parameters. Analysis of molecular variance showed that most of variation (62%) in Ch. calyculata occurred among population. Gene flow (Nm) between the ten studied populations, determined based on the GST index, was very low at 0.239. It indicated that the fragmentation and isolation of populations might result from specific evolutionary history of this plant and postglacial recolonization
    Źródło:
    Dendrobiology; 2009, 62; 23-33
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Influence of intercrop plants and varied tillage on yields and nutritional value of salsify (Tragopogon porrifolius L.) roots
    Wplyw roślin międzyplonowych i zróżnicowanej uprawy roli na plon i wartość odżywczą korzeni salsefii (Tragopogon porrifolius L.)
    Autorzy:
    Konopiński, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/11541788.pdf
    Data publikacji:
    2009
    Wydawca:
    Uniwersytet Przyrodniczy w Lublinie. Wydawnictwo Uniwersytetu Przyrodniczego w Lublinie
    Tematy:
    Tragopogon porrifolius
    goatsbeard zob.salsify
    intercrop plant
    nutritive value
    ridge
    root
    salsify
    tillage method
    yield
    inulin
    conservation tillage
    Opis:
    The field experiment was carried out in 2006–2008 on lessive soil developed from medium dusty loams. Salsify (Tragopogon porrifolius L.) of ‘Mamut’ cv. was the experimental species. The experimental design included three intercrop plants: common vetch, lace phacelia, and oats; two soil tillage ways: a) set of pre-sowing tillage operations, sowing the intercrop plants (mid of August), pre-winter ploughing, mixing the green matter with soil, b) set of pre-sowing tillage operations, sowing the intercrop plants (mid of August), spring ploughing, mixing the plant matter with soil; as well as two plant cultivation manners: on ridges and on flat soil. It was found that spring ploughing made to mix the intercrop biomass with the soil as well as cultivation of plants on ridges significantly increased the total salsify root yields. Significantly positive influence of intercrop plants on salsify root yields, inulin content, inulin yield, and dry matter content was also recorded. Considering the roots yield and their nutritional value, plants cultivated on ridges after spring ploughing and mulching with lace phacelia appeared to be the most beneficial salsify cultivation combination.
    Doświadczenie polowe przeprowadzono w latach 2006–2008, na glebie płowej wytworzonej z gliny średniej pylastej. Rośliną doświadczalną była salsefia (Tragopogon porrifolius L.) odmiany ‘Mamut’. W schemacie doświadczenia uwzględniono trzy rośliny międzyplonowe: wykę siewną, facelię błękitną i owies; dwa sposoby uprawy roli: a) zespół uprawek przedsiewnych, siew roślin międzyplonowych (II dekada sierpnia), orka przedzimowa, wymieszanie zielonej masy z glebą, b) zespół uprawek przedsiewnych, siew roślin międzyplonowych (II dekada sierpnia), orka wiosenna, wymieszanie masy roślinnej z glebą; dwie metody uprawy roślin: na redlinach i na płask. Stwierdzono, że orka wiosenna wykonana w celu wymieszania biomasy międzyplonów z glebą oraz uprawa roślin na redlinach istotnie zwiększały plon korzeni ogółem salsefii. Wykazano również istotnie korzystny wpływ roślin międzyplonowych na plon korzeni, zawartość inuliny oraz jej produktywność z jednostki powierzchni, a także na zawartość suchej masy w korzeniu. Najkorzystniejszą kombinacją uprawową pod względem plonowania i wartości odżywczej roślin była uprawa salsefii na redlinach, po orce wiosennej i ściółkowaniu gleby facelią błękitną.
    Źródło:
    Acta Scientiarum Polonorum. Hortorum Cultus; 2009, 08, 2; 27-36
    1644-0692
    Pojawia się w:
    Acta Scientiarum Polonorum. Hortorum Cultus
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Abies semenovii in North West Russia: taxonomy, ecology, cultivation and conservation
    Autorzy:
    Orlova, L.
    Firsov, G.
    Egorov, A.
    Volchanskaya, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/41119.pdf
    Data publikacji:
    2016
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Tematy:
    Abies semenovii
    rare species
    Russia
    taxonomy
    ecology
    plant cultivation
    conservation
    morphology
    botanical garden
    Red Data Book
    Saint-Petersburg city
    Opis:
    Semenov’s Fir (Abies semenovii B. Fedtsch.) is an extremely rare species in the wild and is included in the International Red List of Conifers and into the Red Data Books of the former USSR and Kyrgyz Republic. Our investigation confirms that this is an independent species, related but not identical to Abies sibirica Ledeb. It has been cultivated at Peter the Great Botanic Garden of the Komarov Botanical Institute of the Russian Academy of Science(s), St.Petersburg, since 1949. Apparently, it was here that Semenov’s Fir was first introduced into cultivation in European gardens. It has produced seeds since 2000, when it was less than 43 years old. It is a hardy and ornamental tree that deserves wider distribution in cultivation in the gardens and parks of North-West Russia. It is proposed that Semenov’s Fir should be given independent taxonomic status as a separate species, Abies semenovii B. Fedtsch.
    Źródło:
    Dendrobiology; 2016, 75
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Strategy for long-term breeding of Picea abies in Lithuania: short overview
    Autorzy:
    Danusevicius, D
    Powiązania:
    https://bibliotekanauki.pl/articles/41309.pdf
    Data publikacji:
    2009
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Tematy:
    international conference
    Europe
    forest ecosystem
    plant breeding
    tree
    Norway spruce
    Picea abies
    long-term breeding
    Lithuania
    breeding strategy
    future strategy
    breeding programme
    gene conservation
    Opis:
    This paper presents the newly suggested long-term breeding strategy for Norway spruce in Lithuania to share with the optimisation approach, which may be useful in synchronising the long-term breeding and gene conservation plans in neighbouring regions. The breeding programme in Lithuania is at a stage where the long-term plans need to be developed. Our strategy is to proceed with a closed-nucleus breeding population which is structured into subpopulations according to adaptation zones (4-5 subpopulations). The size of each subpopulation is 50 unrelated and progeny-tested individuals. The breeding cycle consists of double- pair mating and a balanced within-family selection forward. The candidates will be clone-tested. Advanced genotypes will be selected into an advanced nucleus; an isolated foreign breeding population is planned. Positive assortative mating is used for deployment. An experimental "shuttle-breeding" strategy may be tested: selection with avery high intensity, controlled crosses, nursery tests for vigour and growth rhythm, cloning by hedges into short-rotation clonal plantations.
    Źródło:
    Dendrobiology; 2009, 61 Supplement
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The influence of after-crop plant mulch and onion cultivation on microorganism composition in soil
    Wpływ mulczu roślin poplonowych i uprawy cebuli na skład mikroorganizmów w glebie
    Autorzy:
    Pięta, D.
    Kęsik, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/11541676.pdf
    Data publikacji:
    2008
    Wydawca:
    Uniwersytet Przyrodniczy w Lublinie. Wydawnictwo Uniwersytetu Przyrodniczego w Lublinie
    Tematy:
    after-crop plant mulch
    onion
    plant cultivation
    microorganism composition
    soil microorganism
    antagonistic bacteria
    antagonistic fungi
    pathogenic fungi
    conservation tillage
    spring rye
    vetch
    Bacillus
    Pseudomonas
    Gliocladium
    Trichoderma
    Alternaria alternata
    Fusarium culmorum
    Fusarium oxysporum
    Fusarium solani
    Penicillium
    Pythium irregulare
    bacteria
    fungi
    Opis:
    The aim of the research was to determine the quantitative and qualitative composition of the communities of fungi and bacteria formed in the soil under the influence of onion cultivation, with consideration to various options of conserving cultivation, using spring rye and common vetch as after-crop cover plants. Moreover, in the laboratory tests, the occurrence of microorganisms characterizing by an antagonistic influence on pathogenic fungi with a facultative parasiting was established. As a result of the laboratory microbiological analysis it was found out that particular soil samples taken from under the cultivation of onion differed with the qualitative and quantitative composition of microorganisms. Spring rye stimulated the growth and development of microorganisms, especially antagonistic ones (Bacillus spp., Pseudomonas spp., Gliocladium spp., Trichoderma spp.), and common vetch caused an increase of the number of cfu of pathogens (Alternaria alternata, Fusarium culmorum, F. oxysporum, F. solani, Penicillium spp., Pythium irregulare).
    Celem badań było określenie składu ilościowego i jakościowego zbiorowisk grzybów i bakterii ukształtowanych w glebie pod wpływem uprawy konserwującej z wykorzystaniem żyta jarego i wyki siewnej jako poplonowych roślin okrywowych. Ponadto w testach laboratoryjnych ustalono występowanie mikroorganizmów wyróżniających się antagonistycznym oddziaływaniem na grzyby patogeniczne o fakultatywnym pasożytnictwie. Wyniki laboratoryjnej analizy mikrobiologicznej wykazały, że poszczególne próby gleby spod uprawy cebuli zawierały różny skład ilościowy i jakościowy zbiorowisk mikroorganizmów. Żyto jare stymulowało wzrost i rozwój mikroorganizmów, szczególnie antagonistycznych (Bacillus spp., Pseudomonas spp., Gliocladium spp., Trichoderma spp.), a wyka siewna powodowała wzrost liczby jtk patogenów (Alternaria alternata, Fusarium culmorum, F. oxysporum, F. solani, Penicillium spp., Pythium irregulare).
    Źródło:
    Acta Scientiarum Polonorum. Hortorum Cultus; 2008, 07, 3; 65-75
    1644-0692
    Pojawia się w:
    Acta Scientiarum Polonorum. Hortorum Cultus
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Gromadzenie azotu i wegla przez rosliny okrywajace ugor przy roznych systemach konserwacji gleby
    Autorzy:
    Harasimowicz-Hermann, G
    Ignaczak, S
    Powiązania:
    https://bibliotekanauki.pl/articles/798406.pdf
    Data publikacji:
    2006
    Wydawca:
    Szkoła Główna Gospodarstwa Wiejskiego w Warszawie. Wydawnictwo Szkoły Głównej Gospodarstwa Wiejskiego w Warszawie
    Tematy:
    konserwacja gruntow
    akumulacja
    rutwica wschodnia
    rosliny okrywowe
    gleby
    azot
    stoklosa bezostna
    ugory obsiane
    wegiel
    koniczyna biala
    odlogi
    soil conservation
    accumulation
    Galega orientalis
    cover plant
    soil
    nitrogen
    smooth bromegrass
    Bromus inermis
    carbon
    white clover
    fallow
    Opis:
    W doświadczeniu łanowym przeprowadzonym w Minikowie, określono masę azotu i węgla zgromadzoną przez rośliny na odłogu, ugorze obsianym roślinami krótkotrwałymi i wieloletnimi. Roślinami wieloletnimi wykorzystywanymi do osłony gleby były rutwica wschodnia (Galega orientalis), stokłosa bezostna (Bromus inermis) i koniczyna biała (Trifolium repens) - w siewie czystym lub w mieszankach. Niezależnie od gatunków roślin wykorzystanych do stworzenia okrywy na ugorze obsianym, ilość gromadzonego przez nie azotu i węgla była wyższa niż przez roślinność naturalną na odłogu klasycznym. Roślinność naturalna (chwasty) zasiedlająca odłóg klasyczny przez okres pięciu lat pobrała do budowy biomasy nadziemnej 230 kg N·ha⁻¹ i 8,05 t C·ha⁻¹. Jednoroczne rośliny jare i ozime okrywające ugór uprawiane w siewie czystym lub w mieszankach zgromadziły w biomasie nadziemnej łącznie w ciągu 5 lat 606 kg N·ha⁻¹ i 15,7 t C·ha⁻¹. Biomasa roślin wieloletnich - rutwicy wschodniej (1205 kg N·ha⁻¹) gromadziła ponad pięciokrotnie, a jej mieszanka ze stokłosą bezostną (976 kg N·ha⁻¹) ponad czterokrotnie więcej azotu, a węgla odpowiednio (25,8 t C·ha⁻¹) ponad trzykrotnie i (21,3 t C·ha⁻¹) dwu i półkrotnie więcej niż okrywa roślinna na odłogu klasycznym. Stokłosa bezostna uprawiana w siewie czystym gromadziła w swojej biomasie dwukrotnie więcej azotu (463 kg N·ha⁻¹) i węgla (18,0 t·ha⁻¹) niż chwasty okrywające odłóg klasyczny, ale mniej o 53% azotu i 15,5% węgla niż wtedy, gdy uprawiano ją łącznie z rutwicą wschodnią. Najwięcej azotu i węgla zgromadziła w biomasie rutwica wschodnia w siewie czystym i w kolejności malejącej, mieszanka rutwicy wschodniej ze stokłosą bezostną, stokłosa w siewie czystym (C) i rośliny jednoroczne jare i ozime (N), a najmniej rośliny na ugorze klasycznym. Rośliny motylkowate, stanowiące okrywę odłogu, należy przynajmniej raz w roku skosić, a obfitą i bogatą w azot i węgiel biomasę przeznaczyć na paszę lub do przyorania pod inne uprawy wymagające nawożenia organicznego. Taki system postępowania może ograniczyć nadmierne kumulowanie się azotu w glebie pola odłogowanego i jego migrację do wód gruntowych.
    In field experiment carried out at Minikowo, the masses of nitrogen and carbon accumulated by plants on idle land, fallow land sown with short-lived plants and fallow land sown with perennial plants were determined. Perennial plants used to soil covering were goat’s rue (Galega orientalis), smooth bromegrass (Bromiis inermis) and white clover (Trifolium repens). Irrespective of plant species used for making cover on the fallow land sown, they accumulated higher amounts of nitrogen and carbon than the natural vegetation on the idle land. The natural vegetation settling the idle land took over five years 230 kg N·ha⁻¹ and 8.05 t C·ha⁻¹ to build above-ground biomass. One-year spring and winter plants covering the fallow land cultivated in pure sowing or in the mixtures accumulated in above-ground biomass in total 606 kg N·ha⁻¹ and 15.7 t C·ha⁻¹ during 5 years. As for the biomass of perennial plants - goat’s rue (Galega orientalis) accumulated over five times more nitrogen (1205 kg N·ha⁻¹) and its mixture with smooth bromegrass (Bromus inermis) - over four times more nitrogen (976 kg N·ha⁻¹), and over three times (25.8 t C·ha⁻¹) and two and a half times (21.3 t C·ha⁻¹) more carbon, respectively, than the plant cover on the idle land. Smooth bromegrass cultivated in pure sowing accumulated two times more nitrogen (463 kg N·ha⁻¹) and carbon (18.0 t C·ha⁻¹) in its biomass than the weeds covering the idle land, but 53% less nitrogen and 15.5% less carbon than when it was cultivated together with goat’s rue. Goat’s rue in pure sowing accumulated the most nitrogen and carbon in biomass, then in turn the goat’s rue in mixture with smooth bromegrass, smooth bromegrass in pure sowing (C) and one-year spring and winter plants (N); the least amounts were found in plants on the idle land. Papilionaceous plants making the fallow land cover should be mown at least once a year and the biomass, abundant and rich in nitrogen, should be intended for fodder or to plough under other crops requiring organic fertilization. Such rules of conduct may reduce an excessive accumulation of nitrogen in the soil of field lying fallow, and its migration to ground waters.
    Źródło:
    Zeszyty Problemowe Postępów Nauk Rolniczych; 2006, 513; 121-127
    0084-5477
    Pojawia się w:
    Zeszyty Problemowe Postępów Nauk Rolniczych
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Evaluation of emission and reduction of greenhouse gases from upstream petrochemical industry in Thailand
    Autorzy:
    Kanchanapiya, P.
    Julapun, N.
    Limphitakphong, N.
    Pharino, C.
    Chavanparit, O.
    Powiązania:
    https://bibliotekanauki.pl/articles/207793.pdf
    Data publikacji:
    2015
    Wydawca:
    Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
    Tematy:
    greenhouse gases
    aromatic compounds
    energy conservation
    energy utilization
    fuel economy
    fuels
    olefins
    petrochemical plant
    petrochemicals
    petrochemical industry
    production process
    gazy cieplarniane
    związki aromatyczne
    oszczędzanie energii
    wykorzystanie energii
    zużycie paliwa
    paliwa
    olefiny
    zakłady petrochemiczne
    petrochemia
    przemysł petrochemiczny
    proces produkcji
    Opis:
    The study aimed to determine the baseline and indicators for the emission of greenhouse gases (GHG) and to evaluate the effectiveness of GHG mitigation measures in Thai upstream petrochemical plants. During 2005–2010, the upstream production had an annual demand for energy in the range of 110 000–150 000 TJ, ca. 5–6% of the total Thailand energy consumption. The proportion of energy consumption for producing olefin and aromatic products is 73 and 14%, respectively. The amount of GHG emissions equalled approximately 7–9 Mt CO2 eq. This represents a 3% portion of the total GHG emissions of Thailand, separating into the olefin and aromatic products, around 69 and 18%, respectively. The ratios of GHG emission came from fuel combustion of 59%, steam consumption (28%), electricity consumption (10%) and flare (3%). The carbon intensity of upstream products in the olefins and aromatics’ groups had the range of 1.125–1.309 and 0.518–0.667 t CO2 eq/t, respectively. It was likely that the carbon intensity during the period of 2005–2010 was lowered as the industry sector took measures to improve energy conservation and developed their production processes. The GHG mitigation measures by energy conservation were already implemented including fuel saving (67%), steam saving (23%) and electricity saving (10%).
    Źródło:
    Environment Protection Engineering; 2015, 41, 2; 31-46
    0324-8828
    Pojawia się w:
    Environment Protection Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
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