PJB-2003-11
IDENTIFICATION OF SUPERIOR GENOTYPES BASED ON MORPHOLOGICAL, PHYSIOLOGICALAND AGRONOMIC TRAITS IN LOCAL AND EXOTIC COWPEA GERMPLASM
MUHAMMAD SAJJAD IQBAL, AFSARI SHARIF QURESHI, ABDUL GHAFOOR AND ABDUL QAYYUM
Abstract
One hundred and thirty eight local as well as exotic accessions of cowpea were characterized and evaluated under field conditions at 33o 42 N latitude and 73o 08 E longitude at an altitude of 540 masl during summer 2000. The germplasm represents three continents (Asia, Africa, North America) and collected germplasm represents a wide ecogeographic range from dry mountainous regions to irrigated plains of Pakistan with altitude ranging from 0 to 1995 masl. Morphological traits (leaf shape, plant type, twinning tendency, flower color, immature pod color, mature pod color) and agronomic characters (chlorophyll contents, leaf area trifoliate-1, days to first flower, days to 50% flowering, days to maturity, plant height, branches-1, pods plant-1
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