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Wyświetlanie 1-15 z 42
Tytuł:
Fruit and seed morphology of the genus Heracleum L. (Apiaceae) in Poland
Autorzy:
Klimko, M.
Truchan, M.
Wysakowska, I.
Powiązania:
https://bibliotekanauki.pl/articles/878295.pdf
Data publikacji:
2013
Wydawca:
Uniwersytet Przyrodniczy w Poznaniu
Tematy:
fruit morphology
seed morphology
trichome
morphology
Heracleum
Heracleum sosnowskyi
Heracleum mantegazzianum
Heracleum sphondylium
Apiaceae
Polska
Opis:
The paper presents the results of a study on mericarps and seed morphology of four taxa occurring in Poland: Heracleum sphondylium subsp. sphondylium and subsp. sibiricum, H. mantegazzianum and H. sosnowskyi. Apart from selected biometric traits we analysed pericarps and seed-coat patterns using a stereoscopic microscope (SM) and a scanning microscope (SEM). Considerable diff erences in the dorsal surface of mericarps were observed, but major structural similarities were found on the ventral surface of mericarps. Pericarp surface diff ers signifi cantly between native and alien taxa in terms of secondary sculpture. The examined seeds were characterised by reticulate primary sculpture with diff erent size and shape of testa cells. The macro- and micromorphological characteristics of the mericarp and seeds may provide valuable additional diagnostic criteria for delimitation of Heracleum and can be used in the identifi cation of fruits and seeds.
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:
SEM observations of pollen grains, fruits and seeds of the Pieniny Mountains [South Poland] endemic species Erysimum pieninicum [Zapal.] Pawl. [Brassicaceae]
Autorzy:
Maciejewska-Rutkowska, I
Bednorz, L.
Fujiki, T.
Powiązania:
https://bibliotekanauki.pl/articles/58978.pdf
Data publikacji:
2007
Wydawca:
Polskie Towarzystwo Botaniczne
Tematy:
electron microscope
Erysimum pieninicum
fruit morphology
Polska
seed morphology
botany
pollen morphology
Brassicaceae
Pieniny Mountains
forest
endemic species
Opis:
Erysimum pieninicum (Zapał.) Pawł. (Brassicaceae) is an endemic species, growing only in Pieniny Mts. The aim of the presented work was to investigate its pollen morphology as well as its ultrastructural traits of pericarp and seed-coat. Pollen grains of this species were of small size, 3-zonocolpate with reticulate ornamentation. The external siliqua surface was of rugose sculpture, covered by numerous, stellate hairs. The internal surface of the fruit was naked and characterized by striate sculpture. The seed-coat ornamentation of E. pieninicum was of blister type.
Źródło:
Acta Societatis Botanicorum Poloniae; 2007, 76, 2
0001-6977
2083-9480
Pojawia się w:
Acta Societatis Botanicorum Poloniae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Representatives of the genus Monacha in Poland
Autorzy:
Pienkowska, J.R.
Lesicki, A.
Powiązania:
https://bibliotekanauki.pl/articles/83322.pdf
Data publikacji:
2012
Wydawca:
Uniwersytet Mikołaja Kopernika. Wydział Biologii i Ochrony Środowiska. Stowarzyszenie Malakologów Polskich
Tematy:
Monacha
snail
Monacha cartusiana
species distribution
distribution range
shell
genitalia
animal morphology
morphology
Polska
Źródło:
Folia Malacologica; 2012, 20, 1
1506-7629
Pojawia się w:
Folia Malacologica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Pollen morphology of Plantago species native to Poland and their taxonomic implications
Autorzy:
Klimko, M
Idzikowska, K.
Truchan, M.
Kreft, A.
Powiązania:
https://bibliotekanauki.pl/articles/57263.pdf
Data publikacji:
2004
Wydawca:
Polskie Towarzystwo Botaniczne
Tematy:
pollen
Polska
Plantago
botany
Plantaginaceae
morphology
Opis:
Pollen grains of 9 species of the genus Plantago (Plantaginaceae), including 8 taxa native to Poland, were observed under a light microscope and a scanning electron microscope. Descriptions of grain sculpture are illustrated only SEM micrographs. The studied pollen grains were medium-sized or small, spherical or prolate spheroidal. Their sculpture was always verrucate with granulation. In the studied taxa, internal apertures had the form of pores. Their number ranged from (4)5-9(14). The pores were scattered on the surface of pollen grains. Identification features of individual taxa include: presence or absence of an annulus around each pore, annulus structure, ornamentation of the pollen grain and operculum, type of aperture membrane, number of internal pores, and pore diameter. We suggest that two new pollen grain types, characteristic of P. intermedia and P. arenaria, should be distinguished, and that P. alpina should be assigned to the P. coronopus type.
Źródło:
Acta Societatis Botanicorum Poloniae; 2004, 73, 4
0001-6977
2083-9480
Pojawia się w:
Acta Societatis Botanicorum Poloniae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The first report of Pleuroflammula ragazziana in Poland
Autorzy:
Gierczyk, B.
Kubiński, R.
Powiązania:
https://bibliotekanauki.pl/articles/2196369.pdf
Data publikacji:
2019-06-26
Wydawca:
Polskie Towarzystwo Botaniczne
Tematy:
Pleuroflammula ragazziana
morphology
Basidiomycota
Crepidotaceae
distribution
Polska
Opis:
The first locality of Pleuroflammula ragazziana (Bres.) E. Horak in Poland, found in 2017 in Debrza Nature Reserve (Tarnów District), is reported herein. The global distribution of this species was mapped. The morphology of this species, based on the specimens from Poland, is presented.
Źródło:
Acta Mycologica; 2019, 54, 1; 1121
0001-625X
2353-074X
Pojawia się w:
Acta Mycologica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Leaf epidermis traits as tools to identify Solidago L. taxa in Poland
Autorzy:
Szymura, M.
Wolski, K.
Powiązania:
https://bibliotekanauki.pl/articles/19542.pdf
Data publikacji:
2011
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
leaf
epidermis
Solidago
Polska
anatomy
morphology
stoma
trichome
Opis:
We used via light and scanning electron microscopy to study the leaf epidermis of five Solidago taxa from southwestern Poland. Light microscopy was employed to describe the epidermal surface, including stomatal types, the shape of epidermal cell walls, stomatal density, the distribution of stomata between the abaxial and adaxial epidermis, and stomatal guard cell length. From these observations we calculated the stomatal index (SI) and stomatal ratio (SR) as the basis for defining the type of leaf. From LM of transverse sections of leaf we described mesophyll structure, the presence of secretory canals, adaxial and abaxial epidermis thickness, and leaf thickness. We examined cuticular ornamentation, trichome features and epicuticular secretions by SEM. As determined by discriminatory analysis, the most important traits distinguishing these taxa were the stomatal index of the adaxial epidermis, leaf thickness, features of the walls of epidermal cells, and the presence and features of trichomes. On the basis of observations and measurements we created a key for distinguishing Solidago taxa.
Źródło:
Acta Biologica Cracoviensia. Series Botanica; 2011, 53, 1
0001-5296
Pojawia się w:
Acta Biologica Cracoviensia. Series Botanica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Studies on some diagnostic and bioecological characteristics of Liriomyza huidobrensis [Blanchard] in Poland
Autorzy:
Dankowska, E G
Baranowski, T.
Powiązania:
https://bibliotekanauki.pl/articles/65440.pdf
Data publikacji:
2002
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
pest
pest species
Polska
glasshouse inspection
Liriomyza huidobrensis
morphology
bionomics
Opis:
The most important distinctive features and some morphological and bionomic characteristic of Liriomyza huidobrensis are presented in this paper.
W pracy przedstawiono cechy rozpoznawcze oraz niektóre fragmenty z bionomii Liriomyza huidobrensis. Wstępne oznaczenie gatunku można dokonać na podstawie wyglądu zewnętrznego osobników dorosłych. Pod uwagę bierze się rozmieszczenie, barwę i kształt szczecinek umieszczonych na głowie i tułowiu owada dorosłego. Analizuje się także rozmieszczenie żyłek na skrzydłach. Najpewniejszy sposób identyfikacji polega na porównywaniu wypreparowanych narządów kopulacyjnych samców.
Źródło:
Journal of Plant Protection Research; 2002, 42, 1
1427-4345
Pojawia się w:
Journal of Plant Protection Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Monacha claustralis (Rossmassler, 1834) and Monacha cartusiana (O. F. Muller, 1774) in Poland
Autorzy:
Pienkowska, J.R.
Gorka, M.
Matuszak, M.
Bocianowski, P.
Gwardjan, M.
Lesicki, A.
Powiązania:
https://bibliotekanauki.pl/articles/83516.pdf
Data publikacji:
2016
Wydawca:
Uniwersytet Mikołaja Kopernika. Wydział Biologii i Ochrony Środowiska. Stowarzyszenie Malakologów Polskich
Tematy:
Monacha claustralis
Monacha cartusiana
invasive species
shell morphology
locality
Polska
Źródło:
Folia Malacologica; 2016, 24, 1
1506-7629
Pojawia się w:
Folia Malacologica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Morphological variability of leaves of Sorbus torminalis [L.] Crantz in Poland
Autorzy:
Bednorz, L
Powiązania:
https://bibliotekanauki.pl/articles/56763.pdf
Data publikacji:
2006
Wydawca:
Polskie Towarzystwo Botaniczne
Tematy:
morphological variability
leaf
Sorbus torminalis
plant morphology
statistical analysis
Polska
Opis:
This paper presents the results of the study on morphological variability of leaves of a scattered tree species Sorbus torminalis (L.) Crantz) in Poland. The leaves from short- and long shoots were collected from 17 localities widespread within the range of the species in Poland. Leaves were measured according to 15 morphological traits. The biometric data were subjected to multivariate statistical analysis in attempt to define variability between local populations. Most of the leaf traits are significantly correlated and are characterised by moderate level of variation. The average among population component of variation was 32.82% and 27.46% for leaves on short- and long shoots, respectively. The differences between sampled populations are significant, but only a weak geographical pattern of this differentiation was detected. Clinal type of variation was ascertained in two traits. Leaf traits which discriminate best the studied populations are also indicated. It was proved that leaves on short shoots differ markedly in shape and size from those of long shoots. Leaves on long shoots are steadier, but morphological trait values are less correlated. The study also confirmed the occurrence of individuals with leaves characteristic for S. torminalis var. perincisa Borbas et Feck and S. torminalis f. mollis Beck in a few Polish populations.
Źródło:
Acta Societatis Botanicorum Poloniae; 2006, 75, 3; 233-243
0001-6977
2083-9480
Pojawia się w:
Acta Societatis Botanicorum Poloniae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Taraxacum scanicum Dahlst. group [section Erythrosperma] in Poland: chorology and seed and pollen morphology of the microspecies
Autorzy:
Marciniuk, J
Vasut, R.J.
Marciniuk, P.
Czarna, A.
Powiązania:
https://bibliotekanauki.pl/articles/57021.pdf
Data publikacji:
2009
Wydawca:
Polskie Towarzystwo Botaniczne
Tematy:
geographic distribution
Polska
morphology
pollen
seed
chorology
Taraxacum scanicum
dandelion
Opis:
The genus Taraxacum is taxonomically complicated due to apomixis. Therefore, there are significant differences in knowledge of regional Taraxacum-Floras among European countries. Similarly, some taxa are well characterised with well-known distribution, whereas some ones are known e.g. from a single locality. Taraxacum scanicum of section Erythrosperma is one of the most common microspecies of this section in Europe. Recently, this taxon was split into three microspecies. In this study we map the distribution of three described taxa of this group in Poland, i.e. T. scanicum s.s., T. prunicolor and T. cristatum. The survey showed that T. scanicum has a similar distribution as T. prunicolor in Poland. This is in contrast with the hitherto known distribution of both taxa. T. cristatum was found at a single locality that is quite distant from the distribution in southern central Europe. We also provide with new morphological characteristics of achenes and pollen for T. scanicum s.s. and T. prunicolor.
Źródło:
Acta Societatis Botanicorum Poloniae; 2009, 78, 2; 115-121
0001-6977
2083-9480
Pojawia się w:
Acta Societatis Botanicorum Poloniae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Endogone lactiflua [Zygomycota, Endogonales] occurs in Poland
Autorzy:
Blaszkowski, J
Adamska, I.
Czerniawska, B.
Powiązania:
https://bibliotekanauki.pl/articles/57734.pdf
Data publikacji:
2004
Wydawca:
Polskie Towarzystwo Botaniczne
Tematy:
sporocarp
Polska
Endogonales
Zygomycota
Endogone lactiflua
morphology
fungi
spore
taxonomy
distribution
Opis:
Morphological properties of sporocarps and spores of Endogone lactiflua (Zygomycota, Endogonales), a fungus for the first time found in Poland, are described and illustrated. Endogone lactiflua was wet sieved and decanted from a sample taken from the zone extending from the upper soil layer to rhizosphere of Pinus sylvestris growing in a forest dune in northern Poland. The recovered spores mainly occurred in large and compact sporocarps, although both small aggregates with a few spores and single zygosporangia of this fungus were also isolated. Endogone lactiflua is the fourth species of the genus Endogone found to occur in Poland. The distribution of the fungus in the world is also presented.
Źródło:
Acta Societatis Botanicorum Poloniae; 2004, 73, 1
0001-6977
2083-9480
Pojawia się w:
Acta Societatis Botanicorum Poloniae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Revision of the genus Xerula Maire [Basidiomycetes, Agaricales] in Poland
Autorzy:
Ronikier, A
Powiązania:
https://bibliotekanauki.pl/articles/56448.pdf
Data publikacji:
2003
Wydawca:
Polskie Towarzystwo Botaniczne
Tematy:
ecology
Agaricales
Polska
Xerula
morphology
distribution
Xerula pudens
Xerula melanotricha
Basidiomycetes
Opis:
Data concerning morphology, ecology and distribution of Polish representatives of the genus Xerula Maire are discussed in the paper. All available specimens of X. pudens and X. melanotricha from Polish herbaria were reexamined to verify their identity and geographical distribution. Several new localities of X. melanotricha in the country are provided. A key to European taxa of the genus is proposed.
Źródło:
Acta Societatis Botanicorum Poloniae; 2003, 72, 4
0001-6977
2083-9480
Pojawia się w:
Acta Societatis Botanicorum Poloniae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Morphological and ultrastructural studies on Ulva flexuosa subsp. pilifera (Chlorophyta) from Poland
Autorzy:
Messyasz, B.
Czerwik-Marcinkowska, J.
Massalski, A.
Uher, B.
Rybak, A.
Szendzina, L.
Pikosz, M.
Powiązania:
https://bibliotekanauki.pl/articles/58283.pdf
Data publikacji:
2013
Wydawca:
Polskie Towarzystwo Botaniczne
Tematy:
morphology
ultrastructure
Ulva flexuosa ssp.pilifera
Chlorophyta
green alga
cell wall
Polska
Źródło:
Acta Societatis Botanicorum Poloniae; 2013, 82, 2
0001-6977
2083-9480
Pojawia się w:
Acta Societatis Botanicorum Poloniae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Morphology of uredinia and urediniospores of the fungus Melampsora larici-epitea Kleb. a damaging pathogen of common osier (Salix viminalis L.) in Poland
Morfologia urediniów i urediniospor grzyba Melampsora larici-epitea Kleb. - groźnego patogena wierzby wiciowej (Salix viminalis L.) w Polsce
Autorzy:
Ciszewska-Marciniak, J.
Jedryczka, M.
Jezowski, S.
Przyborowski, J.
Wojciechowicz, K.
Zenkteler, E.
Powiązania:
https://bibliotekanauki.pl/articles/26940.pdf
Data publikacji:
2010
Wydawca:
Polskie Towarzystwo Botaniczne
Tematy:
morphology
uredinium
urediniospore
fungi
Melampsora larici-epitea
pathogen
common osier
Salix viminalis
Polska
Opis:
Rust (Melampsora spp.) is a damaging disease of willows (Salix spp.), including common osier (S. viminalis L.). So far, the pathogens of this species found in Europe were identified as M. larici-epitea Kleb. or M. ribesii-viminalis Kleb. Moreover, a stem infecting form (SIF), deprived of a sexual stage in its life cycle was reported. The aim of this study was to find out which species of the rust fungi cause disease symptoms on common osier in Poland. The isolates from common osier were compared to the ones originating from its putative hybrids with trembling aspen (Populus tremula L.) and Simon’s poplar (P. simonii Carr.). Fungal isolates were obtained in 2008–2010 from 15 different genotypes of willows, including seven varieties of common osier (4 Swedish and 3 Polish), two landraces of common osier and six putative hybrids with poplars. Fungal isolates originated from three experiment sites, including west (Wielkopolska and Lubuskie) and north-east (Warmia) regions of Poland. To ensure the genetic uniformity, the isolates were derived from single uredinia, obtained from natural infection conditions. In all collected samples the position of uredinia was always hypophyllous. The diameter of uredinia was measured by Sigma Scan Pro software, after inoculation of four standard genotypes, including two common osier and two willow hybrids. The studies proved that the main cause of common osier rust is Melampsora larici-epitea f. typica. All studied isolates, including the ones obtained on putative hybrids, were very similar according to the size of uredinia and the size and morphology of urediniospores. The average size of a uredinium was 1.1 mm diameter and slightly differed between the isolates (from 0.9 to 1.3 mm), depending on willow genotype, the quality of plant material used for artificial inoculations and infection conditions. The average size of a typical urediniospore was 12.4 x 10.5 μm, but the sizes varied from 9.8 to 13.2 μm. Urediniospores from common osier were slightly bigger and more oval (12.5 x 10.4 μm) as compared to spores from the putative hybrids Salix x Populus (12.3 x 10.6 μm), but the differences were statistically insignificant. The spores were ovoid, globoid or angular, evenly echinulated. The size of uredinia, as well as the size and morphology of urediniospores were in full agreement with literature data for M. larici-epitea f. typica.
Źródło:
Acta Agrobotanica; 2010, 63, 2
0065-0951
2300-357X
Pojawia się w:
Acta Agrobotanica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Comparative study of the oospore morphology of two populations of a rare species Chara baueri A. Braun in Cedynia (Poland) and Batzlow (Germany)
Autorzy:
Pukacz, A.
Boszke, P.
Pelechaty, M.J.
Raabe, U.
Powiązania:
https://bibliotekanauki.pl/articles/58067.pdf
Data publikacji:
2012
Wydawca:
Polskie Towarzystwo Botaniczne
Tematy:
oospore
charophyte
Characeae
morphology
population
rare species
Chara baueri
Cedynia
Polska
Batzlow
Germany
Opis:
Morphological features of oospores of Chara baueri A. Braun, one of the rarest charophyte species worldwide, were studied based on 100 oospores collected from a small and temporarily dried mid-field pond near Cedynia, Western Poland. This is the first Polish and fifth presently known locality of this species. For comparison 67 oospores from a German population (similar pond localized near Batzlow, Germany) were also measured. So far, data on morphology of C. baueri oospores as well as the species ecology are limited. The only more detailed study of oospores for this species was earlier performed on 15 oospores from Kazakhstan. Largest polar axis (LPA, length), largest equatorial diameter (LED, width), isopolarity index (ISI = LPA/LED × 100), number of ridges, width of fossa, distance from apical pole to LED (AND) and anisipolarity index (ANI = AND/LPA × 100) were measured. The comparative analysis revealed that the oospores from Poland are generally bigger and more prolate than the German ones. The differences for most of studied parameters were statistically significant. The finding is discussed in the context of habitat differentiation of both studied sites. Moreover, the results obtained of oospore measurements for both populations differs from most of the data known so far from the literature.
Źródło:
Acta Societatis Botanicorum Poloniae; 2012, 81, 2
0001-6977
2083-9480
Pojawia się w:
Acta Societatis Botanicorum Poloniae
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 42

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