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    Wyświetlanie 1-4 z 4
    Tytuł:
    Assessing the factors limiting the Rosa gallica L. shrub occurrence in Romanian grasslands (case study)
    Ocena czynników ograniczających występowanie Rosa gallica L.na użytkach zielonych Rumunii
    Autorzy:
    Sarateanu, V.
    Moisuc, A.
    Laies, D. G.
    Powiązania:
    https://bibliotekanauki.pl/articles/293181.pdf
    Data publikacji:
    2011
    Wydawca:
    Instytut Technologiczno-Przyrodniczy
    Tematy:
    nawożenie
    skład florystyczny
    użytek zielony
    Rosa gallica L.
    roślinność
    fertilisation
    floristic composition
    grassland
    vegetation
    Opis:
    The purpose of this work is to show how are influencing different fertilisation types and years of utilisation on the occurrence of the species Rosa gallica L. (French rose) in the analysed grassland. Other aspects analysed here are its interrelation with different parameters of the vegetation as botanical composition, biodiversity and pastoral value. The vegetation data were collected using the linear point-quadrate method. The analysed permanent grassland has a relatively constant contribution of the species R. gallica L. in the vegetation sward. The grassland where it was developed this study was dominated by Festuca valesiaca Schleich. ex Gaudin and Filipendula vulgaris Moench., other species with important contributions being Achillea millefolium L., Plantago lanceolata L. and R. gallica L. The fertilisation and harvesting of the biomass hasn't influenced the contribution of R. gallica L. during the six years of researches.
    Celem przedstawionej pracy było wykazanie, w jaki sposób nawożenie i czas użytkowania wpływają na występowanie Rosa gallica L. na badanych użytkach zielonych. Badano także wpływ innych czynników, jak: skład botaniczny, różnorodność gatunkowa i wartość pastewna. Dane o roślinności zbierano metodą punktowo-kwadratową. Udział R. gallica L. w runi badanego trwałego użytku zielonego był w miarę stały. Dominującymi gatunkami były tam Festuca valesiaca Schleich. ex Gaudin i Filipendula vulgaris Moench., a znaczny udział w runi miały także Achillea millefolium L., Plantago lanceolata L. i R. gallica L. Nawożenie i zbiór biomasy nie wpływały na występowanie R. gallica L. w czasie 6 lat badań.
    Źródło:
    Journal of Water and Land Development; 2011, 15; 91-98
    1429-7426
    2083-4535
    Pojawia się w:
    Journal of Water and Land Development
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Pollen morphology of Rosa gallica L. [Rosaceae] from Southern Poland
    Autorzy:
    Wronska-Pilarek, D
    Boratynska, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/58479.pdf
    Data publikacji:
    2005
    Wydawca:
    Polskie Towarzystwo Botaniczne
    Tematy:
    French rose
    Rosaceae
    multivariate analysis
    rose
    Rosa gallica
    pollen morphology
    light microscope
    scanning microscope
    Opis:
    The morphology of pollen grains of Rosa gallica was studied on the basis of material from 15 natural localities in southern Poland. It was ascertained that the diagnostic features of pollen grains of R. gallica were: the presence of deep, often Y-shaped striae in a linear arrangement; numerous perforations of various, rather big diameters on the bottom of striae; the occurrence of operculum on the membrane of ectocolpus; the presence of costae ectocolpi and fastigium in the area of endopori. The most significant differences among the particular samples studied concern the shape of grains. The differences between pollen grains of 15 individuals of Rosa gallica from southern Poland are generally slight. The most discriminating measured character is length of equatorial axis of pollen grain and length of ectocolpi and thickness of exine along polar axis. The remaining differentiate the individuals with smaller significance. The differences between Silesian samples and all the other examined ones may result from origin of different Pleistocene refugia.
    Źródło:
    Acta Societatis Botanicorum Poloniae; 2005, 74, 4
    0001-6977
    2083-9480
    Pojawia się w:
    Acta Societatis Botanicorum Poloniae
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Effect of rooting preparations on protein, chlorophyll and carotenoid content in leaves of Rosa gallica 'Duchesse d'Angouleme' cuttings
    Autorzy:
    Monder, M.J.
    Niedzielski, M.
    Wolinski, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/41733.pdf
    Data publikacji:
    2014
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Tematy:
    rooting preparation
    protein content
    chlorophyll content
    carotenoid content
    leaf
    Rosa gallica
    Duchesse d'Angouleme cultivar
    rose
    rhizogenesis
    leaf senescence
    shoot
    maturity
    Opis:
    Popularisation of historical rose cultivars is important for overall increase of biodiversity within currently available assortment, however their vegetative propagation is rather difficult. Possible scenario behind it is that commonly used one-bud leafy cuttings have limited storage capacity due to the small size of the stem. We hypothesised that the treatment of cuttings this rose with rooting preparations would positively affect on the condition of their leaves. We tested the effect of preparations based on seaweed extracts (Bio Rhizotonic, Root Juice, Bio Roots) as well as commonly used root stimulants (Ukorzeniacz Aaqua and Ukorzeniacz Baqua containing 0,4% IBA or 0,2% NAA respectively) on the viability potential of the Rosa ‘Duchesse d’Angoulême’ cuttings. We have monitored the senescence process in leaves by the total soluble protein, chlorophyll and carotenoid content measurements. In order to test the potential effect of the mother plant and timing of shoots acquirement cuttings for the experiment were taken from mother plants at four different maturity stages (flower buds closed; all flowers open; just after petal fall and 7–14 days after petal fall). As expected the amount of the measured components in mother plants varied in individual phases of shoot maturity. This feature influenced the positive effect of rooting stimulants on cuttings viability. The most striking effects were in rooted cuttings derived from shoots collected just after flower petal fall. Observed increase in soluble protein and chlorophyll content did not correlate however with the percentage of obtained rooted cuttings. Based on that we can speculate that the biological basis of observed positive effect of natural rooting preparations on the ‘Duchesse d’Angoulême’ rose is complex and does not rely on the delay or inhibition of senescence process.
    Źródło:
    Dendrobiology; 2014, 72
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Pollen morphology of Polish native species of the Rosa genus (Rosaceae) and its relation to systematics
    Autorzy:
    Wronska-Pilarek, D.
    Powiązania:
    https://bibliotekanauki.pl/articles/57587.pdf
    Data publikacji:
    2011
    Wydawca:
    Polskie Towarzystwo Botaniczne
    Tematy:
    pollen morphology
    Polish species
    native species
    Rosa
    Rosaceae
    systematics
    Caninae
    Gallicanae
    taxonomy
    Rosa agrestis
    Rosa canina
    Rosa dumalis
    Rosa gallica
    Rosa inodora
    Rosa jundzillii
    Rosa kostrakiewiczii
    Rosa majalis
    Rosa micrantha
    Rosa mollis
    Rosa pendulina
    Rosa rubiginosa
    Rosa sherardii
    Rosa tomentosa
    Rosa villosa
    Rosa zalana
    Opis:
    The morphology of pollen grains of 16 species from the Rosa L. genus were studied (i.e. R. agrestis, R. canina, R. dumalis, R. gallica, R. inodora, R. jundzillii, R. kostrakiewiczii, R. majalis, R. micrantha, R. mollis, R. pendulina, R. rubiginosa, R. sherardii, R. tomentosa, R. villosa, and R. zalana). The material came from 16 native localities of those species in Poland. The measurements are based on at least 30-50 randomly selected, fully developed pollen grains per specimen. In total, 500 pollen grains were examined. They were analysed for 13 quantitative features of pollen grains and exine sculpturing and the following qualitative traits: outline, shape, "operculum" structure. The diagnostic features of pollen grains of studied species were: length of polar and equatorial axes and length of ectocolpi. The above-mentioned pollen grain morphological features make isolation of one species possible: R. gallica. R. gallica is distinguished for its highest values of the length of polar and equatorial axes, and the length of ectocolpi. The obtained analytical results of operculum and exine sculpture features, considered as diagnostic, corroborated only slightly their priority significance for the isolation of the examined species and sections. The collected data failed to confirm fully the current taxonomical division of the Rosa genus into sections (only section Gallicanae from R. gallica is isolated) as well as consanguinity relationships between the examined species from the Caninae section. On the dendrogram, both species closely related with each other as well as those from other developmental lines were found in the same group. These equivocal results are by no means surprising because the Caninae section is the most polymorphic group in the Rosa genus, and contemporary Caninae are of the nature of a swarm of R. canina hybrids as a link combining all taxons of the section.
    Źródło:
    Acta Societatis Botanicorum Poloniae; 2011, 80, 3
    0001-6977
    2083-9480
    Pojawia się w:
    Acta Societatis Botanicorum Poloniae
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-4 z 4

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