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Tytuł:
Five new bramble species (Rubus, Rosaceae) in the flora of the Czech Republic
Autorzy:
Velebil, J.
Travnicek, B.
Sochor, M.
Havlicek, P.
Powiązania:
https://bibliotekanauki.pl/articles/41123.pdf
Data publikacji:
2016
Wydawca:
Polska Akademia Nauk. Instytut Dendrologii PAN
Tematy:
bramble
new species
plant species
Rubus
Rosaceae
flora
Czech Republic
geographic distribution
ecology
Opis:
This paper presents the results of extensive field research on the occurrence of Rubus L. species in the Czech Republic, especially in the frontier areas near the German border. In this area, Rubus adornatus, R. fasciculatiformis and R. perlongus were newly discovered. The other species, R. ambulans and R. stohrii, were discovered in the eastern and northern parts of Bohemia. A description, an illustration, photos and a list of localities are provided for each species. Taxonomy and nomenclature, ecology, distribution and etymology are discussed. The ploidy level of the mentioned species is presented here for the first time. All of these species are new for the flora of the Czech Republic.
Źródło:
Dendrobiology; 2016, 75
1641-1307
Pojawia się w:
Dendrobiology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Tree species diversity and above-ground biomass of natural temperate forest: montane versus lowland forest
Autorzy:
Gazda, A.
Miscicki, S.
Chwistek, K.
Powiązania:
https://bibliotekanauki.pl/articles/41218.pdf
Data publikacji:
2015
Wydawca:
Polska Akademia Nauk. Instytut Dendrologii PAN
Tematy:
tree
plant species
species diversity
aboveground biomass
temperate forest
mountain forest
lowland forest
species richness
Opis:
We studied the relationship between tree-species diversity and the above-ground biomass on an example of two natural Polish forest with different altitiudinal range, plant species pool, vegetation and climatic conditions. The study sought to determine whether: (1) above-ground biomass in natural forests correlates with tree-species diversity irrespective of the kind of forest (montane or lowland), and (2) the relationship in question is negative, (3) the above-ground biomass is greater in montane forests than in lowland ones. Natural forests present in 1º Polish Gorce Mountains (montane forest) alongside comparable data for the 2º world-renowned lowland forest that is present in the Białowieża National Park. Data were collected within 558 sample plots (á 200-square-metre). The diameter at breast height of all trees with girths of or exceeding 12 cm was measured. To compute above-ground biomass we calculated dry masses for each tree on the basis of values for dbh and height, next we summed these values for all species present within each plot. The number of tree species on a plot ranged from only one (mainly in spruce stands) to six (in mixed deciduous lowland forest stands). The above-ground accumulated biomass ranged from 6 to 1155 (average 251±13) t ha–1 within the lowland forest, and from 2 to 849 (average 242±8) t ha–1 within the montane forest. We concluded that there was a humped-back shaped relationship between tree-species diversity and above-ground biomass in both lowland and montane natural forests.
Źródło:
Dendrobiology; 2015, 73
1641-1307
Pojawia się w:
Dendrobiology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Rubus occidentalis (Rosaceae) - a new naturalized raspberry species in the Polish flora
Autorzy:
Kosinski, P.
Czarna, A.
Malinski, T.
Powiązania:
https://bibliotekanauki.pl/articles/41206.pdf
Data publikacji:
2014
Wydawca:
Polska Akademia Nauk. Instytut Dendrologii PAN
Tematy:
Rubus occidentalis
Rosaceae
black raspberry
introduced species
chorology
geographic distribution
raspberry
plant species
Polish flora
flora
Opis:
Rubus occidentalis L., native to eastern North America, is recorded for the first time as naturalized in Poland. Its spontaneous occurrence in Europe has hitherto been mentioned only from several stands in the Czech Republic and from single localities in Slovakia and Russia. The increasing popularity of black raspberry cultivation and its ability to survive under different environmental conditions suggest that the number of instances of its appearances in semi-natural habitats will grow over time. At the moment, R.occidentalis can be considered as a locally established, non-invasive neophyte.
Źródło:
Dendrobiology; 2014, 71
1641-1307
Pojawia się w:
Dendrobiology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Differences in chemical composition of needle and leaf litter from exotic and native tree species stands
Autorzy:
Skorupski, M.
Jagodzinski, A.M.
Zytkowiak, R.
Karolewski, P.
Powiązania:
https://bibliotekanauki.pl/articles/41087.pdf
Data publikacji:
2012
Wydawca:
Polska Akademia Nauk. Instytut Dendrologii PAN
Tematy:
chemical composition
differentiation
needle
leaf litter
exotic plant
native species
tree
plant species
stand
nitrogen
phenolics
carbohydrate
carbon
Opis:
The potential differentiations in litter chemistry among native and non-native trees are poorly understood. We compared the chemical composition of leaf litterfall of 11 exotic tree species, e.g. coniferous: Abies cephalonica, A. grandis, A. procera, Chamaecyparis pisifera, Pinus peuce, Pseudotsuga menziesii, Thuja plicata, and deciduous: Acer rubrum, A. saccharum, Betula alleghaniensis and Quercus rubra, with that of a native European conifer, Pinus sylvestris (as reference to coniferous species) anda mixture of native European Quercus robur, Carpinus betulus, Tilia cordata, T. platyphyllos and Corylus avellana leaves (as a reference mixture of deciduous species). We found significant differences among the species studied in nitrogen and carbon content in needles/leaves, C/N ratio, as well as total soluble phenolic compounds (TPh) and total nonstructural carbohydrates (TNC) content, including soluble carbohydrates and starch. However, we found no clear differentiation of exotic from native tree species in the analyzed elements and metabolites. Among the exotic coniferous tree species, P. menziesii stood out among the species studied – fallen needles of this species were characterized by relatively high TPh and TNC content. The relationships between TPh and TNC content in leaf and needle litter among tree species were similar among two consecutive years. For deciduous tree species, the tendency of higher TPh content and C/N ratio in leaves falling earlier (September; leaves of sun-type) than later (November; leaves of shade-type) was more distinct than in coniferous tree species. Generally, we cannot see any special differences in the levels or mutual quantitative relationships of the chemical compounds studied in fallen needles/leaves of exotic tree species in comparison with native tree species.
Źródło:
Dendrobiology; 2012, 68
1641-1307
Pojawia się w:
Dendrobiology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Review on Betula oycoviensis and foliar morphometry of the species in Volyne, Czech Republic
Autorzy:
Balas, M.
Kunes, I.
Gallo, J.
Rasakova, N.
Powiązania:
https://bibliotekanauki.pl/articles/41125.pdf
Data publikacji:
2016
Wydawca:
Polska Akademia Nauk. Instytut Dendrologii PAN
Tematy:
Betula oycoviensis
hybrid
threatened species
Oycow birch
leaf
morphometry
principal component analysis
plant species
Volyne town
Czech Republic
Opis:
This contribution presents the results of the investigation of the Oyców birch (Betula oycoviensis Besser) population in Volyně, the Ore Mts., the only locality with its confirmed presence in the Czech Republic. The Volyně locality is situated ca 700 m ASL (mean temperature 6.5°C, annual precipitation 700 mm) mostly on nutrient-poor abandoned pastures. The aim of this paper is to present the results of geometric morphometric study on leaves and to summarize up to date knowledges on this tree species. We found and described altogether 58 individuals of Oyców birch during the field exploration. Dendrometric parameters, vitality and crown shape were analysed. To define characteristic morphological features of Oyców birch, we performed geometric morphometric method on leaves of selected 36 specimens. We found that 15 distinctive traits could be used to distinguish B. oycoviensis from Betula pendula Roth. The traits we considered most important are as follows: petiole length, number of major veins, blade length and blade width. These traits are in accordance with traits that common botanical field guides refer to. The appropriate management steps to support the natural regeneration of Oyców birch in the Volyně locality were recommended. To improve conditions for natural regeneration, grass sward removal in chosen spots is advisable. And finally, the artificial regeneration could be used to accelerate the propagation of the population.
Źródło:
Dendrobiology; 2016, 76
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:
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:
Effects of tegument, endosperm, cold treatment and harvest date on germination of wild olive
Autorzy:
Hannahi, H.
Marzouk, S.
El Gazzah, M.
Powiązania:
https://bibliotekanauki.pl/articles/41441.pdf
Data publikacji:
2011
Wydawca:
Polska Akademia Nauk. Instytut Dendrologii PAN
Tematy:
tegument
endosperm
cold treatment
harvest date
seed
germination
wild olive tree
olive tree
Olea europaea
dormancy
plant species
Opis:
Wildolive seeds (Olea europaea L. var. sylvestris), calledoleaster do not germinate when placedunder favourable conditions. In a series of experiments the effects of the harvest date, the endosperm, the tegument, andthe coldtreatment were evaluatedon germination of seeds andembryos. The germination percentage of embryos and seeds harvested at different harvest dates increased during October month, these percentages decreased during November month, whereas no seeds and embryos harvested on the middle of December germinated. Embryo germinability was always higher than seed germinability, and this may be due to an inhibiting effect of the teguments and the endosperm on seed germination. Such dormancy, which gradually increased during maturation, could reside mainly in the endosperm and partly within the embryo. The cold treatment at 4°C for four to thirteen days increased seed and embryo germinability, whereas lengthening time at this temperature showeda negative effect on seedgermination. The germination of seeds andembryos from six wildolive trees was also examinedby recording the germination percentage andminimum imbibition time (Tmi).
Źródło:
Dendrobiology; 2011, 65
1641-1307
Pojawia się w:
Dendrobiology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Pinus uliginosa from Czarne Bagno peat-bog (Sudetes) compared morphologically to related Pinus species
Autorzy:
Boratynska, K.
Jasinska, A.K.
Marcysiak, K.
Sobierajska, K.
Powiązania:
https://bibliotekanauki.pl/articles/41752.pdf
Data publikacji:
2011
Wydawca:
Polska Akademia Nauk. Instytut Dendrologii PAN
Tematy:
Pinus uliginosa
Czarne Bagno peat bog
peat bog
Sudetes Mountains
plant variation
pine
Scotch pine
Pinus
plant species
dwarf mountain pine
mountain pine
Opis:
Pinus uliginosa is an interesting taxon from the Pinus mugo complex with controversial systematic position andspecific characteristics, intermediate among P. mugo, P. uncinata and P. sylvestris. The peat-bog pine is rare andprotectedin Poland. All its’ known populations have a relict character andare slightly different from each other. The aim of the present study was comparison of the individuals from the Czarne Bagno of the “Torfowisko pod Zieleńcem” Nature Reserve (Sudetes), determined in the field on the basis of morphological characteristics as Pinus uliginosa, with four samples of this taxon from the northern limits of its range in PolandandGer - many andwith Pinus sylvestris, P. mugo and P. uncinata, to verify morphological andtaxonomic relations between them. The material collected from 30 individuals determined as P. uliginosa, was closest to populations of P. uliginosa from the Bory Dolnośląskie, andto P. mugo from the Tatra Mts., concerning the needle characters. The cone characteristics of P. uliginosa individuals from the Czarne Bagno appeared similar to all other of that taxon. In spite of that, the cone characters first of all differentiate P. uliginosa from P. sylvestris, P. mugo and P. uncinata. The combination of needle and cone morphological characters are a good tool to distinguish P. sylvestris, P. uncinata, P. mugo and P. uliginosa with a very high probability.
Źródło:
Dendrobiology; 2011, 65
1641-1307
Pojawia się w:
Dendrobiology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Seed variability of the Polish species of the genus Sorbus (Rosaceae)
Autorzy:
Bednorz, L
Walkowiak, R.
Maciejewska-Rutkowska, I.
Molinski, K.
Powiązania:
https://bibliotekanauki.pl/articles/40978.pdf
Data publikacji:
2006
Wydawca:
Polska Akademia Nauk. Instytut Dendrologii PAN
Tematy:
Polska
Polish species
plant variation
plant taxonomy
statistical analysis
biometry
seed variability
Sorbus
Rosaceae
Opis:
This paper presents the results of the study on morphological differentiation of seeds of five Polish species of the genus Sorbus L. (S. aria (L.) Crantz, S. aucuparia L. Emend. Hedl., S. chamaemespilus (L.) Crantz, S. intermedia (Ehrh.) Pers. and S. torminalis (L.) Crantz). The biometric data of 1980 seeds were subjected to multivariate statistical analysis in attempt to define intraspecific variation and to find differences between studied taxa. Most of the seed traits are significantly correlated and are characterised by moderate level of variation. Seeds of S. aucuparia (both subspecies) are the least variable while seeds of S. torminalis and S. intermedia the most. On the basis of size and shape traits of Sorbus seeds only seeds of S. aucuparia can be definitely distinguished from the others.
Źródło:
Dendrobiology; 2006, 55; 3-9
1641-1307
Pojawia się w:
Dendrobiology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Morphological variability of fruits and seeds of Sorbus torminalis in Poland
Autorzy:
Bednorz, L
Powiązania:
https://bibliotekanauki.pl/articles/41347.pdf
Data publikacji:
2007
Wydawca:
Polska Akademia Nauk. Instytut Dendrologii PAN
Tematy:
tree
Rosaceae
plant variation
biometry
statistical analysis
rare species
tree species
Sorbus torminalis
fruit
seed
morphological variability
Polska
Opis:
The results of the study on morphological variation of fruits and seeds of a rare forest tree species Sorbus torminalis (L.) Crantz in Poland are presented and discussed. The ripe fruits were collected from 13 localities widespread within the range of the species. Fruits and seeds were measured according to 13 morphological traits. The biometric data were subjected to multivariate statistical analysis in attempt to define intra and inter populational variation. Most of the fruit and seed traits are significantly correlated and are characterized by moderate level of variation. Traits describing size and shape are higher variable in seeds than in fruits. High level of variation within examined populations was ascertained. The average among population component of variation was only 23.99%. Though the differences between sampled populations are significant, almost no geographical pattern of this differentiation was detected. The biological significance of some of fruit and seed features is discussed in the paper. Examining the collected material a single fruits with 5–6 seeds were found what suggests the presence of three carpels in gynoeceum, a number not previously reported in the species.
Źródło:
Dendrobiology; 2007, 57; 3-14
1641-1307
Pojawia się w:
Dendrobiology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Influence of initial light intensity and deer browsing on Taxus baccata saplings: a six years field study
Autorzy:
Iszkulo, G.
Nowak-Dyjeta, K.
Sekiewicz, M.
Powiązania:
https://bibliotekanauki.pl/articles/957073.pdf
Data publikacji:
2014
Wydawca:
Polska Akademia Nauk. Instytut Dendrologii PAN
Tematy:
light intensity
deer
browsing
Taxus baccata
sapling
yew
European yew
rare species
endangered plant
Opis:
European yew (Taxus baccata L.) is a rare species, but is the focus of great interest because of the species recovery attempts and its use in medicine. The aim of this study was to determine the optimum conditions for the development of the young generation of this species. Four-year old yew seedlings were grown under artificial light reduction: 2, 8, and 30%, as well as in full light. The seedlings were then planted in natural conditions in fenced and unfenced areas. The results of six years field studies indicated that the greatest impact on survival was shown by the light conditions from the period before planting under the canopy of trees. Seedlings from the 2 and 8% of light showed the greatest mortality. The reason was the sudden change in light conditions, because at the time of planting (early spring), there was no reduction of light under deciduous trees. Almost all of the unfenced yew seedlings were grazed by deer, but yew survival in the unfenced group was surprisingly high despite the permanent grazing. This was explained by the high resistance of yew to cutting and the protection of seedlings by a dense layer of Rubus. The results indicated that yew trees require protection against animals for normal development, even if animals have not previously had contact with Taxus and that yew seedlings are very sensitive to sudden changes in light. Both conclusions can be applied in the development of natural and artificial regeneration of European yew and other endangered plants.
Źródło:
Dendrobiology; 2014, 71; 93-99
1641-1307
Pojawia się w:
Dendrobiology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Rubus limitaneus (series Mucronati, subgenus Rubus, Rosaceae) - a species new to science from NW Poland
Autorzy:
Malinski, T.
Zielinski, J.
Kosinski, P.
Powiązania:
https://bibliotekanauki.pl/articles/41520.pdf
Data publikacji:
2014
Wydawca:
Polska Akademia Nauk. Instytut Dendrologii PAN
Tematy:
Rubus limitaneus
Mucronati
Rubus
Rosaceae
new species
flora
taxonomy
variability
ecology
plant distribution
Polska
Opis:
This paper describes, illustrates, and maps a new regional bramble species occurring in the Myśliborskie Lake District in NW Poland. It represents the series Mucronati, which until now has never been recorded in this part of Europe. Locally it is the common plant and usually can be found in pine plantation established on former farmland.
Źródło:
Dendrobiology; 2014, 72
1641-1307
Pojawia się w:
Dendrobiology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Cerasus fruticosa Pall. (Rosaceae) in the region of Kujavia and South Pomerania (N Poland)
Autorzy:
Boratynski, A
Lewandowska, A.
Ratynska, H.
Powiązania:
https://bibliotekanauki.pl/articles/41053.pdf
Data publikacji:
2003
Wydawca:
Polska Akademia Nauk. Instytut Dendrologii PAN
Tematy:
Rosaceae
Pomeranian region
anthropopression
Polska
hybridization
habitat change
Cerasus fruticosa
plant protection
species extinction
Opis:
Cerasus fruticosa is a rare and endangered plant species in Poland. In northern part of the country it occurs on scattered localities of relic, early Holocene (preboreal) character. Most of the species stands known from the end of 19th century have disappeared in the last decades. All data, revised in the field 40 years ago, were checked in 2000-2002. The species survived on 6 localities of 14 ones, confirmed in sixteenth. The hybridization between C. fruticosa and C. vulgaris is one of the main reasons of extinction of the first species. The floristic composition of plant communities with C. fruticosa was examined and compared with relevant literature. The regression of photophilous and thermophilous plant species, characteristic for associations with C. fruticosa and moderate invasion of synanthropic ones were observed.
Źródło:
Dendrobiology; 2003, 49
1641-1307
Pojawia się w:
Dendrobiology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Propagation of leather leaf Chamaedaphne calyculata (L.) Moench from seeds and shoot cuttings
Autorzy:
Malinowska, H
Janyszek, M.
Szczepaniak, M.
Powiązania:
https://bibliotekanauki.pl/articles/41351.pdf
Data publikacji:
2004
Wydawca:
Polska Akademia Nauk. Instytut Dendrologii PAN
Tematy:
vascular plant
rare species
leather leaf
Chamaedaphne calyculata
propagation
seed
shoot cutting
flowering
seed production
germination
rooting
cutting
Opis:
Flowering and fruit setting was analyzed in specimens of Chamedaphne calyculata (L.) Moench growing in a natural stand in the “Sicienko” reserve in the Drawa National Park. Seed production, seed viability and shoot rooting was investigated. It was shown that Chamaedaphne calyculata has abundant flowers but sets few fruits. Numerous seeds (even up to 87) were found in fruits; however, the percentage of developed seeds was low and ranged from 17% to 45%. The viability of developed seeds was similarly low (maximum 29%). The performed germination test showed a positive effect of stratification on the breaking of seed dormancy. Obtaining seedlings from seeds sown in vitro on agar medium was a considerable success. Shoots cut perpendicularly to the shoot axis, with a 1-cm incision on the side and treated with a rooting agent, rooted 100%. Shoots which were not treated with a rooting agent, irrespective of their having been incised or not, rooted 78%.
Źródło:
Dendrobiology; 2004, 52; 33-37
1641-1307
Pojawia się w:
Dendrobiology
Dostawca treści:
Biblioteka Nauki
Artykuł

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