Agrometeorological evaluation of french bean (Phaseolus vulgaris L.) genotypes under high altitude of nilgiri hills
DOI:
https://doi.org/10.59797/ija.v70i2.5910Abstract
A Field experiment was conducted at Horticulture Research Station (HRS) Ooty, to evaluate the French bean 12 genotypes for agrometeorological evaluation. Analysis revealed significant variations among the genotypes in terms of agrometeorological indices. Days taken to first flowering phenophase was registered significantly lowest (50 days after sowing, DAS) in case of genotypes 6 and to attain the 50% flowering and maturity, genotypes 10 took the least duration of 64 days and 119 days respectively. Significant variation in required GDD for appearance of first flowering, 50% flowering and maturity of the crops was registered among the genotypes studied. The highest GDD recorded was 475.7oC day ( EC--271564), 590.8oC day (EC--271564) and 1106.1oC day (EC-324986) at the phenophase of first flowering, 50% flowering and maturity respectively. There was significant difference recorded among the genotypes in terms of HTU (except at maturity), HUE and PU. Heat use efficiency was found to be highly correlated (r=0.90**) with the grain yield.
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