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    Wyświetlanie 1-9 z 9
    Tytuł:
    Seasonality study of extracts from leaves of Thuja occidentalis L.
    Autorzy:
    Chajduk, M.
    Gołębiowski, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/2142057.pdf
    Data publikacji:
    2022
    Wydawca:
    Polska Akademia Nauk. Czasopisma i Monografie PAN
    Tematy:
    extract
    GC-MS
    Thuja occidentalis
    volatile compounds
    Opis:
    The market value of essential oils is steadily increasing every year. They are mainly used as aromas and preservatives in food and cosmetics industries. The content and yield of the obtained extracts change across the seasons of the year. The knowledge of these differences is important for essential oils industry to gain the best quality and quantity of products. In this study Thuja occidentalis L. (Eng. northern white cedar) extract was obtained from leaves by maceration in dichloromethane. Plant material was collected during each season of the year and the finished products were thoroughly examined through GC-MS analysis. The seasonal variations of volatile compound composition showed that the most adequate period to obtain T. occidentalis extract on an industrial scale is spring. This is due to the best efficiency (almost 10%) and the highest content of monoterpenes (67%).
    Źródło:
    Acta Biologica Cracoviensia. Series Botanica; 2022, 64, 1; 7-14
    0001-5296
    Pojawia się w:
    Acta Biologica Cracoviensia. Series Botanica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Influence of microbially enriched mineral fertilizers on the composition of rhizosphere microorganisms of Thuja occidentalis
    Autorzy:
    Sas Paszt, Lidia
    Smolińska, Urszula
    Treder, Jadwiga
    Szczech, Magdalena
    Kowalska, Beata
    Trzciński, Paweł
    Głuszek, Sławomir
    Lisek, Anna
    Derkowska, Edyta
    Frąc, Mateusz
    Powiązania:
    https://bibliotekanauki.pl/articles/2148193.pdf
    Data publikacji:
    2021-12-30
    Wydawca:
    Instytut Uprawy Nawożenia i Gleboznawstwa – Państwowy Instytut Badawczy
    Tematy:
    Thuja occidentalis cv. Brabant
    rhizosphere
    microorganisms
    biofertilizers
    Opis:
    Rhizosphere is a region of the strongest interactions be- tween plants, soil and microorganisms, which play an important role in plant development. Due to a number of interdependencies, they are main factors determining the health and proper growth of plants. All methods used in agriculture that promote the growth of microbial populations and their biodiversity are beneficial both for cultivated plants and for the environment. Thuja occidentalis cv. Brabant, is a very popular plant in Poland. In the study the effect of mineral fertilizers: Urea, Polifoska 6, Super Fos Dar 40, enriched with beneficial strains of fungi and bacteria, on selected groups of soil microorganisms was evaluated. The fungi Asper- gillus niger and Purpureocillium lilacinum and bacteria Bacillus sp., Bacillus amyloliquefaciens, Paenibacillus polymyxa, which have been shown to have beneficial effects on plant growth in previous works, have been used as additives to bio-fertilizers. The use of mineral fertilizers Urea, Polifoska 6 and Super Fos Dar 40, enriched with selected strains of fungi and bacteria had a beneficial effect on the development of microorganisms in the rhizosphere of the Thuja occidentalis, especially in the second year of research.
    Źródło:
    Polish Journal of Agronomy; 2021, 47; 49-57
    2081-2787
    Pojawia się w:
    Polish Journal of Agronomy
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Antioxidant and anti-candida activity of selected medicinal plants of Indian origin
    Autorzy:
    Prajapati, S.
    Bhardwaj, A.
    Gupta, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/2049066.pdf
    Data publikacji:
    2020
    Wydawca:
    Instytut Włókien Naturalnych i Roślin Zielarskich
    Tematy:
    fungal disease
    antioxidant
    medicinal plant
    antifungal activity
    Candida albicans
    plant extract
    Terminalia chebula
    Thuja occidentalis
    Syzygium jambolanum
    przeciwutleniacze
    medycyna tradycyjna
    działanie przeciwgrzybicze
    wyciąg roślinny
    rośliny lecznicze
    Opis:
    Introduction: Fungal disseases are the most common opportunistic infection. Objective: The main aims of the study were to determine phenolic content and to evaluate the antioxidant and anti-candida activity of the selected Indian-origin plant extracts from the fruit pulp, stem, leaves, and seeds of three plants of Indian origin. Material and methods: The extracts from Terminalia chebula, Thuja occidentalic and Syzygium jambolanum were investigated. The total phenolic content, antioxidant potential of different crude extracts was accessed using the free radical, 1,1-diphenyl-2-picrylhydrazyl (DPPH) and 2,2’-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) (ABTS). Anti-candida activity was evaluated using disk diffusion method and broth dilution assay against Candida albicans. Results: Ethanol and methanol extracts of Indian traditional plants possessed high radical scavenging activity: T. chebula 29.38±0.15, T. occidentalis 6.26±0.24 and S. jambolanum 25.64±0.18 at 0.32 mg/ml. The extracts exhibited good zones of inhibition diameters ranged between: for T. chebula 6.33±0.57 mm and 19.66±1.52 mm in diameter, S. jambolanum 7.00±00 mm and 23.33±1.52 and T. occidentalis 7.66±0.57 and 17.00±1.00 mm. C. albicans were susceptible to all three tested extract at different concentrations. The lowest MIC 1.95 mg/ml was recorded with S. jambolanum while the T. chebula and T. occidentalis inhibited the growth at 3.90 mg/ml, respectively, against the C. albicans. Conclusion: The study result paves an overall view on the bioactivities of three traditional Indian medicinal plants crude extracts.
    Źródło:
    Herba Polonica; 2020, 66, 3; 1-12
    0018-0599
    Pojawia się w:
    Herba Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Hybrids of Thuja occidentalis and T. plicata (Cupressaceae) – Is this a fact or misunderstanding?
    Mieszańce Thuja occidentalis i T. plicata (Cupressaceae) – fakt czy nieporozumienie?
    Autorzy:
    Zieliński, Jerzy
    Danielewicz, Władysław
    Kosiński, Piotr
    Powiązania:
    https://bibliotekanauki.pl/articles/1186070.pdf
    Data publikacji:
    2020-02-19
    Wydawca:
    Polskie Towarzystwo Dendrologiczne
    Tematy:
    Kórnik Arboretum
    Thuja occidentalis
    T. plicata
    hybrids
    T. ×senetiana
    Opis:
    Thuja occidentalis and T. plicata belong to alien trees most frequently cultivated in Europe. Morphologically they differ significantly from each other and their natural ranges are geographically isolated, hence the taxonomic status of both taxa has never been questioned. In cultivation, however, these species are often very difficult to distinguish so speculations appeared that they can hybridize with each other. Reports about their hybrids growing in the Kórnik Arboretum, Poland, have been delivered several times; for the first time in 1933, then in 1957 and in 1981. In the latter publication, based on those hybrids, a new nothospecies Thuja ×plicatoides was described. That name, however, was not validly published, because its Latin diagnosis was limited only to a few words and no mention was made of how the hybrid differed from its parental species. The analysis of numerous arborvitae specimens growing in the Kórnik Arboretum, and in many other places in Poland, has shown that the earlier reports about the occurrence of Thuja hybrids in cultivation were fully justified. The results of this study were documented by numerous photographs showing the main diagnostic features of T. occidentalis, T. plicata and their hybrids. Special attention was paid to the characteristics of cones, which are rarely used in the Thuja taxonomy. The shape of cone scales, the length of the scale mucro and the structure of small 'lips' on the scale apices turned out to be significant cone features; the latter was used for the first time when distinguishing between both Thuja species. The cone and leaf features made it possible to recognize not only 'pure' species, but also their hybrids. The name Thuja ×plicatoides Seneta, for formal reasons has been rejected, so for the hybrids a new name Thuja ×senetiana has been proposed, which commemorates Włodzimierz Seneta, an outstanding Polish dendrologist.
    Źródło:
    Rocznik Polskiego Towarzystwa Dendrologicznego; 2019, 67; 9-24
    2080-4164
    2300-8326
    Pojawia się w:
    Rocznik Polskiego Towarzystwa Dendrologicznego
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Effect of the Growth Regulators on the Development of Selected Conifer Trees
    Autorzy:
    Wiśniewska-Kadżajan, B.
    Jankowski, K.
    Misiak, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/124701.pdf
    Data publikacji:
    2017
    Wydawca:
    Polskie Towarzystwo Inżynierii Ekologicznej
    Tematy:
    bio-regulator
    active substance
    Picea pungens
    Thuja occidentalis
    plant growth
    Opis:
    Nowadays, substances stimulating the growth and development of different agricultural plant species are used in intensive farming. Some of such plant growth regulators are Asahi SL and Moddus 250-EC. So far the literature dealing with growth regulators has focused mainly on their effects on deciduous trees. Because no data are available on how those substances affect conifer trees, this paper presents description of experiments on the effects of Asahi SL and Moddus 250-EC on the increase of tree height and branch length of Picea pungens and Thuja occidentalis. The research has proved that morphological features of the plants tested in the experiment varied according to which growth regulator was used and in what month the measurements were taken. Conifer trees sprayed with Asahi SL had a bigger yearly height growth rate and bigger growth of branches than those sprayed with the stimulator Moddus 250-EC.
    Źródło:
    Journal of Ecological Engineering; 2017, 18, 2; 129-135
    2299-8993
    Pojawia się w:
    Journal of Ecological Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Use of ornamental trees in dating of abandoned cemeteries on the example of Thuja occidentalis and Thuja orientalis
    Autorzy:
    Opała, M.
    Majgier, L.
    Powiązania:
    https://bibliotekanauki.pl/articles/100743.pdf
    Data publikacji:
    2012
    Wydawca:
    Uniwersytet Śląski. Wydział Nauk o Ziemi
    Tematy:
    datowanie dendrochronologiczne
    Thuja occidentalis
    Thuja orientalia
    porzucone cmentarze
    Kraina Wielkich Jezior Mazurskich
    dendrochronological dating
    Thuja orientalis
    abandoned cemeteries
    Great Masurian
    Opis:
    Due to the lack of maintenance, abandoned cemeteries are often incorporated into the landscape. In many cases the information about the age of the cemetery is unavailable. To find out the approximate time of the formation of the cemetery the information recorded in the annual tree and shrub rings can be used. One of the most common tree species, planted for ornamental and symbolic purposes on the cemeteries, are Thuja orientalis and Thuja occidentalis. Alien to the Polish flora, these species adapted well to the local habitat and climatic conditions. The paper presents an attempt to apply dendrochronological dating to determine the age of the abandoned cemeteries in the region of the Great Masurian Lakes, part of the Masurian Lake District (north-eastern Poland). The study included five abandoned cemeteries. In total, 15 cores were taken from the trees. After applying the standard dendrochronological method, local chronologies for the studied species were established. The research indicated that the oldest found specimens - over 70 yrs old - are Thuja occidentalis individuals growing at the Słabowo cemetery. At the other sites the specimens of both Thuja species date back to the 1960s and early 1970s. Compared to the historical information regarding the age and origin of the studied objects, thujas growing there are much younger than the age of the cemeteries foundation. The presented method proved to be very helpful in understanding the time of Thuja occidentalis and Thuja orientalis introduction at the investigated cemeteries.
    Porzucone cmentarze w związku z brakiem pielęgnacji często wkomponowują się w krajobraz. Niejednokrotnie brak jest zachowanych informacji o wieku cmentarza. Aby poznać przybliżony wiek powstania cmentarza można posłużyć się informacji zapisanymi w przyrostach rocznych drzew i krzewów. Jednymi z najczęściej występujących drzewiastych gatunków sadzonych w celach ozdobnych i symbolicznych na cmentarzach są Thuja orientalis i Thuja occidentalis. Te obce dla flory polskiej gatunki, doskonale zaadaptowały się do zastanych warunków siedliskowych i klimatycznych. W pracy przedstawiono próbę zastosowania metody datowania dendrochronologicznego do określenia wieku porzuconych cmentarzy z Krainy Wielkich Jezior Mazurskich. Badaniem objęto 5 porzuconych cmentarzy. Ogółem pobrano 15 wywiertów z drzew. Po zastosowaniu standardowej metody dendrochronologicznej, utworzono lokalne chronologie przyrostowe dla badanych gatunków. Badania wykazały, iż najstarsze okazały się być okazy Thuja occidentalis występujące na cmentarzu Słabowo, których wiek wynosi ponad 70 lat. Na pozostałych obiektach rosnące okazy obydwu gatunków żywotników datowane są na lata 60. i początek lat 70.XX wiek. W porównaniu z informacjami historycznymi o wieku i pochodzeniu badanych obiektów rosnące na nich okazy żywotników są znacznie młodsze niż wiek założenia cmentarzy. Przedstawiona metoda okazała się być niezwykle pomocna w poznaniu czasu wprowadzenia żywotników Thuja occidentalis i Thuja orientalis na badanych cmentarzach.
    Źródło:
    Contemporary Trends in Geoscience; 2012, 1, 1; 45-50
    2299-8179
    Pojawia się w:
    Contemporary Trends in Geoscience
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    New woody cultivars from the Botanical Garden of the Polish Academy of Sciences
    Nowe odmiany drzew z Ogrodu Botanicznego PAN w Powsinie
    Autorzy:
    Marczewski, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/888586.pdf
    Data publikacji:
    2009
    Wydawca:
    Polskie Towarzystwo Dendrologiczne
    Tematy:
    Botanical Garden of the Polish Academy of Sciences
    new cultivar
    wood cultivar
    Carpinus betulus
    Ginkgo biloba
    Liriodendron tulipifera
    Picea abies
    Thuja occidentalis
    Opis:
    The paper describes 11 new woody cultivars selected in Botanical Garden PAS in the years 1977-2009. The new cultivars include: seedlings of Picea pungens found in Podzamcze Nurseries with shoots and needles similar to Picea abies ‘Virgata’; plants selected from seedlings of Carpinus betulus ‘Pendula’ of very variable shapes, from depressed shrubby forms to tall trees with shapely pendant shoots; new yellow-leaved Thuja occidentalis with intensive colours and shape similar to Thuja occidentalis ‘Malonyana’ (it was selected from its seedling); a new form of delicately yellow-leaved Ginkgo biloba; and one cultivar of Liriodendron tulipifera with slightly conical, regular shape and strong growth habit.
    Źródło:
    Rocznik Polskiego Towarzystwa Dendrologicznego; 2009, 57
    2080-4164
    2300-8326
    Pojawia się w:
    Rocznik Polskiego Towarzystwa Dendrologicznego
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Zroznicowanie nadwyzki bezposredniej w produkcji krzewow zywoplotowych zywotnika zachodniego [Thuja occidentalis L.] w zaleznosci od powierzchni szkolki i sposobu uprawy
    Gross margin in hedge shrub production of the Eastern arborvitae [Thuja occidentalis L.] depending on the nursery area and method of production
    Autorzy:
    Marosz, A
    Powiązania:
    https://bibliotekanauki.pl/articles/832091.pdf
    Data publikacji:
    2009
    Wydawca:
    Instytut Ogrodnictwa
    Tematy:
    nasadzenia
    zywoploty
    krzewy iglaste
    zywotnik zachodni
    Thuja occidentalis
    szkolkarstwo
    gospodarstwa szkolkarskie
    wielkosc gospodarstw
    metody uprawy
    uprawa gruntowa
    uprawa w pojemnikach
    nadwyzki bezposrednie
    produkcja sadownicza
    dochodowosc
    Opis:
    Gross margin is the difference between the annual value of production from 1 ha of crops and the variable costs incurred in their production. One of the points of this study was t o record individual variable costs for hardy nursery stock, especially consumption and labour costs. It should be mentioned that the gross margin includes just the main variable costs. It is often very difficult to split the other smaller variable costs, e specially between the crop categories. The gross margin evaluated for hedge cultivars of Eastern arborvitae plants grown in containers varied with the area of the nursery, from 95,75 PLN/ha in small nurseries to 125,687 PLN/ha in big ones. For plants grown in the field, the margin was much lower, from 47,217 PLN/ha to 65,527 PLN, respectively.
    Źródło:
    Zeszyty Naukowe Instytutu Sadownictwa i Kwiaciarstwa w Skierniewicach; 2009, 17; 107-117
    1234-0855
    Pojawia się w:
    Zeszyty Naukowe Instytutu Sadownictwa i Kwiaciarstwa w Skierniewicach
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Effect of sunlight on phenolic compounds accumulation in coniferous plants
    Autorzy:
    Brzezinska, E
    Kozlowska, M
    Powiązania:
    https://bibliotekanauki.pl/articles/41493.pdf
    Data publikacji:
    2008
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Tematy:
    light condition
    one-year-old shoot
    two-year-old shoot
    needle
    common yew
    Taxus baccata
    American arborvitae
    Thuja occidentalis
    common juniper zob.juniper
    juniper
    Juniperus communis
    urban garden
    phenol
    total phenol content
    accumulation
    coniferous plant
    sunlight
    flavone
    Opis:
    The effect of light conditions on the accumulation of phenolic compounds was investigated in the needles of one-year and two-year old shoots, collected from perennial specimens of common yew (Taxus baccata L.), American arborvitae (Thuja occidentalis L.) and common juniper (Juniperus communis L.), growing in an urban garden. The content of total phenols and flavones was partially related to the light requirement or light tolerance of conifer tree. In Taxus needles, a shade-loving species, higher accumulation of phenolic metabolites was observed under shaded condition (in two-year old shoots) and was linked with the growth intensity in spring. In Thuja and particularly in Juniperus, the level of phenolics was related to the insolation intensity, probably so as a part of the adaptation mechanism.
    Źródło:
    Dendrobiology; 2008, 59; 3-7
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-9 z 9

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