Research Article

Effects of Drought on Morphological Traits in Some Cowpea Genotypes by Evaluating Their Combining Abilities

Table 6

Estimates of genetic parameters for different morphological and agronomic characteristics in nonwater-stressed (WW) and water-stressed (WS) environments in cowpea.

GPDFrH1H2h2EH1/DH2/4H1h2/H2Hns (%)

PH (cm)WW
WS
TLA (cm2)WW
WS
NLWW
WS
NBWW
WS

GP: genetic parameter; D: additive; H1: dominance; H2 and h2: other components of variance; H2/4H1: relative mean allelic frequency; h2/H1: number of gene groups; Hns: narrow-sense heritability.