Research Article

Assessment of Cowpea (Vigna unguiculata (L.) Walp.) Mutant Lines for Drought Tolerance

Table 3

Estimates of drought tolerance indices of cowpea mutant under normal and stressed conditions.

GenotypesPMTOLSSISTI

MoussaM41- 24P4T625.07a600.55ab612.8124.520.111.20
MoussaM25-1P14T817.90a434.60abcd626.25383.301.341.13
MousM51-4P6T708.54a373.79cde541.17334.751.350.85
MoussaM10-4P7699.26a220.25de459.76479.011.960.49
MoussaM41-7P2T681.80a240.70de461.25441.101.850.52
MoussaM62-1P3674.40a245.40de459.90429.001.820.53
Moussa local533.37a269.21de401.29264.161.420.46
Gorom local533.09a433.79abcd483.4499.300.530.74
MoussaM62-1P8532.10a277.24de404.67254.861.370.47
MoussaM41-4P18T510.70a545.17abc527.94−34.47−0.190.89
MoussaM51-4P10505.18a673.80a589.49−168.62−0.951.09
MoussaM62-1P4465.97a321.68de393.83144.290.880.48
MousM52-16P2T458.77a161.45e310.11297.321.850.24
MoussaM43-20P14457.23a434.13abcd445.6823.100.140.63
MoussaM41-1P13411.30a222.40de316.85188.901.310.29
MoussaM41-1P14T291.16a398.56bcd344.86−107.40−1.050.37

MP: mean productivity; TOL: stress tolerance, SSI: Stress Susceptibility Index, STI: Stress Tolerance Index; : yield in nonstress condition, : yield in stress condition; a, b, c, and d: the values followed by the same letters are not significantly different at the threshold of 5%.