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
DOI:
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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