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Wyszukujesz frazę "Vicia villosa" wg kryterium: Temat

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    Tytuł:
    Effect of seed priming on improvement of germination of Vicia villosa under allelopathic components of Eucalyptus camaldulensis
    Autorzy:
    Saberi, Morteza
    Tarnian, Farajollah
    Powiązania:
    https://bibliotekanauki.pl/articles/2199684.pdf
    Data publikacji:
    2012-08-20
    Wydawca:
    Instytut Hodowli i Aklimatyzacji Roślin
    Tematy:
    allelopathy
    germination
    chemical stimulators
    Eucalyptus camaldulensis
    Vicia villosa
    Opis:
    The objective of this study was to evaluate the effectiveness of seed priming in improving seed germination and seedling vigor of Vicia villosa under laboratory conditions. Chemical stimulators included: gibberellic acid (125,250 and 500 ppm), salicylic acid (100,200 and 300 mg/lit) and extract of Eucalyptus camaldulensis (0, 25, 50, 75 and 100 %). This experiment was carried out as factorial experiment based on a randomized completely design, with four replications. The results showed that Eucalyptus camaldulensis extract had inhibitive effect on germination and early seedling growth of Vicia villosa. Early seedling growth of Vicia villosa increased by pretreatment of seeds in chemical stimulators so that the highest effect was observed in gibberellic acid (250 ppm). The chemical stimulators don’t have any effect on germination speed. Interaction effects of allelopathic and pretreatment with chemical stimulators were significance on germination percentage, root, shoot and plant length and seed vigor index.
    Źródło:
    Plant Breeding and Seed Science; 2012, 66; 99-108
    1429-3862
    2083-599X
    Pojawia się w:
    Plant Breeding and Seed Science
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Inhibition of raffinose family oligosaccharides and galactosyl pinitols breakdown delays germination of winter vetch [Vicia villosa Roth.] seeds
    Autorzy:
    Lahuta, L B
    Goszczynska, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/59053.pdf
    Data publikacji:
    2009
    Wydawca:
    Polskie Towarzystwo Botaniczne
    Tematy:
    legume seed
    seed
    Vicia villosa
    vetch
    winter vetch
    galactosyl pinitol
    germination
    raffinose family oligosaccharide
    Opis:
    Beside RFOs, which are commonly present in legume seeds, seeds of some species contain galactosyl pinitols (GPs). These carbohydrates, like RFOs, have been hypothesized to constitute an important energy and carbon skeletal source during germination. To test this hypothesis we have applied a specific α-galactosidase inhibitor (1-deoxygalactonojirimycin, DGJ) to germinating winter vetch (Vicia villosa Roth.) seeds, containing more galactosyl pinitols than RFOs. The breakdown of RFOs but not that of GPs was completely blocked in both embryonic axes and cotyledons tissues, during the first 18 h of imbibition in DGJ. The inhibitor only decreased the rate of GPs degradation. The inhibitory effect of DGJ on GPs degradation was partially alleviated by addition of sucrose or galactose to DGJ solutions. After three days of germination in water, RFOs and GPs disappeared in axial tissues of seeds imbibed in water, galactose or sucrose. Eighteen-hour imbibition of seeds in DGJ drastically reduced germination, by ca 50%, during the first three days. The inhibitory effect of DGJ decreased during the next seven days of germination. The presence of galactose or sucrose in imbibition solution initially stimulated seed germination, but later this effect was not statistically significant. Our study provides clear evidence that galactosyl pinitols play an important role in early winter vetch seeds germination. Additionally, we suggest that galactosyl pinitols can replace RFOs as reserve material necessary for early germination.
    Źródło:
    Acta Societatis Botanicorum Poloniae; 2009, 78, 3; 203-208
    0001-6977
    2083-9480
    Pojawia się w:
    Acta Societatis Botanicorum Poloniae
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
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