Allelopathic potential of sorghum (Sorghum bicolor): Isolation of seed germination inhibitors
نویسندگان
چکیده
منابع مشابه
Seed germination and seedling growth of three sorghum (Sorghum bicolor L.) genotypes as affected by low temperatures
Sorghum (Sorghum bicolor L.) originated in the semi-arid tropics and generally is sensitive to low-temperature stress. Chilling stresses include low temperature (below 20 °C) and freezing injury (below 0 °C). In this study seed germination and seedling growth of three sorghum genotypes (KFS1, KFS2 and Speedfeed) were examined under four temperature regimes (35/15, 20/10, 13/10 and 11/8) conditi...
متن کاملQuantification of allelopathic potential of sorghum residues by novel indexing of richards' function fitted to cumulative cress seed germination curves.
The inhibitory activity of aqueous extracts of field-grown sorghum (Sorghum bicolor cv. Bird-a-boo) herbage and roots was quantitatively indexed by three aspects of cumulative cress (Lepidium sativum cv. Curlycress) seed germination: the germination onset; weighted mean rate; and final germination percentage. Extract potency was greatest for herbage collected four weeks after planting but decli...
متن کاملEffect of temperature on seed setting behaviour in rabi sorghum (Sorghum bicolor (L). Moench)
Pollen viability is an important parameter of yield as for as interaction of temperature with seed setting is concerned. Rabi sorghum is one of the major cereal crops after rice, wheat and maize. In sorghum seed setting is affected when the flowering period coincides with minimum temperature. In this context comparison was made with pollen fertility percentage and seed setting percentage vs min...
متن کاملSeed Coating with Hydro-Absorbers as Potential Mitigation of Early Season Drought in Sorghum (Sorghum bicolor L. Moench)
Climate change poses a threat to sorghum production systems by shifting the onset of the rainy season to a later date, increasing the risk of crop failure during crop establishment. The effects of drought on sorghum during seedling establishment have not been determined. Coating seeds with a water absorbing substance offers a way to buffer the seed against insufficient moisture in the surroundi...
متن کاملGenetic engineering of grain sorghum (Sorghum bicolor (L
PhD thesis Sorghum (Sorghum bicolor L. Moench), the fifth most important cereal crop in the world, is one of the most important staple crops in Africa and South Asia and represents the only viable food grain for many of the world’s most food insecure people. However, sorghum grain shares the typical nutritional deficiencies of cereal grains, a low content of several essential amino acids. There...
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ژورنال
عنوان ژورنال: Journal of Chemical Ecology
سال: 1984
ISSN: 0098-0331,1573-1561
DOI: 10.1007/bf00994229