Correlation Studies for Yield and its Components in Chickpea under Low Input Conditions
Keywords:
Low Input Conditions, Character Associations, Direct and Indirect Effects.Abstract
The present investigation was undertaken during rabi 2017 at Experimental Farm of the Department of Organic Agriculture and Natural Farming on the fourteen germplasm lines of chickpea to estimate the associations among various traits including their direct and indirect effects on seed yield and to identify potential genotypes under low input conditions. Correlation studies revealed that secondary branches per plant, pods per plant, nodule number, nodule fresh weight, nodule dry weight, biological yield per plant and harvest index were positively correlated with seed yield per plant at genotypic and phenotypic level whereas days to 50 per cent flowering and nitrogen fixation positively correlated with yield only at genotypic level. Secondary branches per plant, harvest index, nodule dry weight, nodule number, seeds per pod, biological yield per plant and pods per plant exhibited high direct effect implying that these traits can act as selection indices for seed yield. Among the different genotypes, best genotypes for seed yield were 18-II, 113-P, P-30-6 and DKG-964 under low input conditions.Downloads
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