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Wyszukujesz frazę "Vicia villosa" wg kryterium: Temat


Wyświetlanie 1-5 z 5
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
Tytuł:
Podstawy selekcji i technologii uprawy wyki kosmatej (Vicia villosa Roth.) na ziarno w warunkach Rosji Centralnej
Selection and technology of the hairy vetch (Vicia villosa Roth.) crops grown for seeds in Central Russia
Autorzy:
ZoÎotiariev, V. N.
Tiurin, J. S.
KosoÎapov, V. M.
Ševcov, A. V.
Seriegin, S. V.
Powiązania:
https://bibliotekanauki.pl/articles/339364.pdf
Data publikacji:
2011
Wydawca:
Instytut Technologiczno-Przyrodniczy
Tematy:
agrotechnika wyki kosmatej
hybrydowa populacja
jakość siewna nasion
plonowanie
selekcja pod kątem zimotrwałości
siewy nasienne
wyka kosmata (Vicia villosa Roth.)
agro-technique of hairy vetch
grain sowing
hybrid population
seed quality
selection on winter durability
hairy vetch (Vicia villosa Roth.)
yielding
Opis:
W pracy przedstawiono wyniki selekcji odmian wyki kosmatej (Vicia villosa Roth.) pod kątem zimotrwałości. Przedstawiono również zasady wykonywania zabiegów agrotechnicznych, wynikających z biologicznej specyfiki rozwoju rośliny, wraz z tworzeniem wyko-trawiastych mieszanek. Mieszanki te charakteryzują się optymalnym stosunkiem komponentów dzięki ograniczeniu norm siewu i stabilnym plonowaniem, osiąganym przez prowadzenie zbioru w okresie uzyskiwania maksymalnej dojrzałości biologicznej.
Results of selection of the hairy vetch (Vicia villosa Roth.) varieties on winter durability are presented in the paper. Principles of agro-technical measures resulting from biological characteristic of the plant growth and a composition of vetch-grass mixtures are also presented. The mixtures are characterised by the optimum proportion of components (due to the limitation of sowing standards) and by stable yielding obtained through harvesting in the period of maximum biological maturity.
Źródło:
Woda-Środowisko-Obszary Wiejskie; 2011, 11, 3; 293-301
1642-8145
Pojawia się w:
Woda-Środowisko-Obszary Wiejskie
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Biosynthesis of raffinose family oligosaccharides and galactosyl pinitols in developing and maturing seeds of winter vetch [Vicia villosa Roth.]
Autorzy:
Lahuta, L B
Powiązania:
https://bibliotekanauki.pl/articles/56752.pdf
Data publikacji:
2006
Wydawca:
Polskie Towarzystwo Botaniczne
Tematy:
biosynthesis
raffinose family
oligosaccharide
galactosyl pinitol
cyclitol
galactosyltransferase
developing seed
maturing seed
seed
winter vetch
vetch
Vicia villosa
Opis:
Changes in the accumulation of two types of α-D-galactosides: raffinose family oligosaccharides and galactosyl pinitols were compared with changes in the activities of galactosyltransferases during winter vetch (Vicia villosa Roth.) seed development and maturation. Occurrence of galactinol and raffinose in young seeds and changes in activities of galactinol synthase and raffinose synthase during seed development indicated that formation of raffinose oligosaccharides (RFOs) preceded synthesis of galactopinitols. Although transfer of galactose residues into raffinose oligosaccharides increased as seeds were maturing, at late stages of seed maturation the accumulation of galactopinitols was preferred to that of RFOs. In the present study, activities of enzymes transferring galactose moieties from galactinol to D-pinitol forming galactopinitol A, and further transfer of galactose moieties from galactinol to mono- and di-galactopinitol A were detected throughout seed development and maturation. This is a new observation, indicating biological potential of winter vetch seeds to synthesize mono-, di- and tri-galactosides of D-pinitol in a pathway similar to RFOs. The pattern of changes in activities of stachyose synthase and enzymes synthesizing galactopinitols (named galactopinitol A synthase and ciceritol synthase) suggests that formation of stachyose, mono- and di-galactopinitol A (ciceritol) is catalyzed by one enzyme. High correlation between activities of verbascose synthase and enzyme catalyzing synthesis of tri-galactopinitol A from galactinol and ciceritol (named tri-galactopinitol A synthase) also suggests that biosynthesis of both types of tri-galactosides was catalyzed by one enzyme, but distinct from stachyose synthase. Changes in concentrations of galactosyl acceptors (sucrose and D-pinitol) can be a factor which regulates splitting of galactose moieties between both types of galactosides in winter vetch seeds.
Źródło:
Acta Societatis Botanicorum Poloniae; 2006, 75, 3; 219-227
0001-6977
2083-9480
Pojawia się w:
Acta Societatis Botanicorum Poloniae
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-5 z 5

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