Changes in the leaf gas exchange, leaf water potential and seed yield of cowpea plants (Vigna Unguiculata L.) under soil drought conditions
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Author: Malgozhata Berova, Tsvetelina Stoilova, Kalinka Kuzmova, Nevena Stoeva, Andon Vasilev, Zlatko Zlatev
Cowpea (Vigna unguiculata L.) is one of the promising legume crops, landraces of which have been traditionally grown in the southern parts of Bulgaria. It is highly tolerant to dry conditions. Therefore it is a promising crop for growing under non-irrigation conditions. The objective of this study was to analyze the effect of natural drought on the leaf gas exchange, leaf water potential and seed yield of cowpea plants (V. unguiculata L.). The four genotypes were evaluated in a natural droughtstressed and non-stressed environment.

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