Study on crop weather relationship in cowpea (Vigna unguiculata) under different sowing dates and varieties in Allahabad conditions

Abstract

A field experiment was conducted during the Kharif season 2015 at the Crop Research Farm, Department of Environmental Science, SHIATS, Allahabad (U.P.) to concluded the experiment on the title study on crop weather relationship in cowpea under different sowing dates and varieties in Allahabad on growth, yield and growing degree days of cowpea (Vigna unguiculata) in factorial Randomized Block Design with nine treatment combinations and replicated thrice. The results revealed that highest plant height (61.10 cm), number of branches (6.55). Yield and yield attributes viz., number of pods plant-1 (21.58), grains pod-1 (10.75), pod length (18 cm), Test weight (150g), seed yield (1482.50 kg ha-1), straw yield (2797.75 kg ha-1), were highest recorded in treatment T3 (Variety Kashi Unnati + 2nd August DOS).