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Time to flowering and maturity is an important adaptive feature in annual crops, including cowpeas (Vigna unguiculata (L.) Walp.). In West and Central Africa, photoperiod is the most important environmental variable affecting time to flowering in cowpea. The inheritance of time from sowing to flowering (f) in cowpeas was studied by crossing a photoperiod-sensitive genotype Kanannnado to a photoperiod-insensitive...
Peanut (Arachis hypogaea L.) crops grown in the semi-arid tropics are commonly exposed to damaging hot temperatures of above 40C. The objectives of this research were to identify the time(s) during reproductive development when hot days reduce yield, and to examine relations between flower production and sensitivity to heat stress. At start of flower bud initiation (21 d after planting, DAP) plants...
AbstractSorghum [Sorghum bicolor (L.) Moench] is an important cereal crop grown in a wide range of tropical and temperate environments. This study was conducted to characterise the photothermal flowering responses of sorghum genotypes and to examine relationships between photothermal characteristics and environment of origin in order to better understand the phenological basis of adaptation to environment...
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