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Studies on variability and correlations in chickpea



Studies on variability and correlations in chickpea



Advances in Plant Sciences 4(2): 197-207



Variability, heritability, genetic advance and correlation analysis have been reported using ten genotypes of chickpea (Cicer arietinum L.) under with-fertilizer and without fertilizer conditions. Maximum variability was observed for number of seeds/plant, number of pods/plant in with-fertilizer, and for 100 seed weight and number of seeds/plant in without-fertilizer condition. The genetic advance, a function of genotypic coefficient and heritability, was maximum for number of seed/plant 100 seed weight/plant, number of pods/plant, number of seeds/plant, pod bearing length and seed yield/plant under with-fertilizer condition, and for 100 seed weight/plant, plant spread/plant, pod bearing length, plant height, days to maturity and day to 50% flowering under without-fertilizer condition. Genotypic correlations were higher than phenotypic correlations and these were in turn higher than those in environmental correlations. Seed yield/plant showed strong significant positive association with plant height, pod bearing length, number of pods/plant, number of primary branches/plant, number of secondary branches/plant, plant spread/plant, number of seeds/plant and 100 seed weight/plant in with-fertilizer, and with plant height, pod bearing length, plant spread/plant and 100 seed weight/plant in without-fertilizer condition. Component breeding with greater emphasis on the above characters under both fertility conditions would be beneficial.

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Accession: 007837044

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