Magie MereenaSreekumar, S GKAU2019-01-282019-01-281997Journal of Tropical Agriculture, 35(1), 16-18.http://krishikosh.egranth.ac.in/handle/1/5810092695Sixteen grain cowpea varieties were evaluated in a replicated field experiment at the College of Agriculture, Vellayani, Trivandrum. Estimation of cause and effect relationship of seven drought tolerant traits and grain yield revealed that varieties with high harvest index, leaf area index at vegetative period and long grain filling period will produce high grain yield under conditions of drought.ennullArticle