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Wyszukujesz frazę "clonal growth" wg kryterium: Temat


Wyświetlanie 1-4 z 4
Tytuł:
Clonal growth forms in Arctic plants and their habitat preferences: a study from Petuniabukta, Spitsbergen
Autorzy:
Klimešová, Jitka
Doležal, Jiří
Prach, Karel
Košnar, Jiří
Powiązania:
https://bibliotekanauki.pl/articles/2051424.pdf
Data publikacji:
2012
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
Arctic
Svalbard
vascular plants
clonal growth
substrate
Źródło:
Polish Polar Research; 2012, 4; 421-442
0138-0338
2081-8262
Pojawia się w:
Polish Polar Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Phenotypic responses to water flow and wave exposure in aquatic plants
Autorzy:
Szmeja, J
Galka, A.
Powiązania:
https://bibliotekanauki.pl/articles/57001.pdf
Data publikacji:
2008
Wydawca:
Polskie Towarzystwo Botaniczne
Tematy:
water flow
aquatic plant
Polska
river
clonal growth
wave exposure
allocation
botany
current velocity
phenotypic variation
lake
Opis:
Plastic responses of 10 aquatic plant species from 5 rivers and 5 lakes in NW Poland were examined. Chara fragilis, C. delicatula, Potamogeton pectinatus, P. perfoliatus, P. natans, Spirodela polyrhiza, Hydrocharis morsus-ranae, Salvinia natans, Nymphoides peltata and Juncus bulbosus were the subject of research. In the running water of rivers, rhizophytes were generally bigger and they allocated from 0.6% to 58.6% more biomass for anchoring in the substrate than in stagnant water (ox bow lakes). In both flow variants rhizophytes allocated a similar biomass fraction for generative reproduction. On the other hand, under the influence of water flow pleustophytes reduced the mass of an individual (Spirodela by 25%, Hydrocharis 67%, Salvinia 77%) and emergent structures (p<0.001), and the number of sporangia (p<0.001). In both flow variants the input of biomass to generative reproduction was the same (Salvinia), or it was greater in running water (Hydrocharis; an increase from 4.9±1.3% to 15.1±3.6%). Under the conditions of strong wave action, in comparison with the lack of this environmental factor, Chara delicatula was several times shorter (p<0.001). However, it was also stouter, and as a result it had similar mass. In the areas of wave action the plant allocated 88.8% of its mass for anchoring in the substrate, whereas when there were no waves, only 22.7%.
Źródło:
Acta Societatis Botanicorum Poloniae; 2008, 77, 1
0001-6977
2083-9480
Pojawia się w:
Acta Societatis Botanicorum Poloniae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Contribution to the characteristic of Cladium mariscus [L.] Pohl population in the initial zone of floating mat on an oligo-humotrophic lake in North-Eastern Poland
Autorzy:
Namura-Ochalska, A
Powiązania:
https://bibliotekanauki.pl/articles/56588.pdf
Data publikacji:
2005
Wydawca:
Polskie Towarzystwo Botaniczne
Tematy:
capacity
Cladium mariscus
Polska
spatial structure
oligo-humotrophic lake
clonal growth
population dynamics
seed germination
diaspore production
Opis:
In the initial phase of growth in an oligo-humotrophic lake, Cladium mariscus forms a dense and tall sawgrass bed invading the open water in the form of a floating mat. High densities of submerged evergreen perennial stems of C. mariscus, over two metres high and abundantly fruiting, ensure its persistence, and form a natural barrier to the invasion of other species. Dense mats of sawgrass are formed as a result of clonal and rhizome growth. Although diaspore production is abundant under natural conditions, only vegetative propagation of stems was observed. In different variants of the experiment only seeds wintering on stems of mother plants were capable of germinating. Hard seed coats had an important effect on the germination capacity of seeds.
Źródło:
Acta Societatis Botanicorum Poloniae; 2005, 74, 2
0001-6977
2083-9480
Pojawia się w:
Acta Societatis Botanicorum Poloniae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
In vitro propagation of Althaea officinalis: the role of plant growth regulators in morphogenesis
Autorzy:
Mujib, A.
Pipal, T.
Ali, M.
Tonk, D.
Zafar, N.
Gulzar, B.
Powiązania:
https://bibliotekanauki.pl/articles/79918.pdf
Data publikacji:
2017
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
Althaea officinalis
marshmallow
in vitro propagation
clonal multiplication
2,4-dichlorophenoxyacetic acid
plant growth regulator
morphogenesis
rooting
Źródło:
BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology; 2017, 98, 3
0860-7796
Pojawia się w:
BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-4 z 4

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