Genetic variability studies in field pea (Pisum sativum L.) for yield and associated characters
2023
Kommineni Jagadeesh | Chandra Shekar Mahto | Niraj Kumar
The prime and foremost objective of the study was to estimate the genetic variability for yield and its associated characteristics among the 23 genotypes of field pea and also to engender information regarding genetic parameters like range, mean, phenotypic coefficient of variation (PCV), genotypic coefficient of variation (GCV), heritability and genetic advance as a percentage over means for the18 traits under consideration. It was disclosed from the results of the analysis of variance that there exists a difference among the 23 genotypes for all the 18 traits under consideration. The trait including primary branches per plant, secondary branches per plant, plant height, swelling capacity, swelling index, biological yield per plant, and seed yield recorded high amounts of GCV and PCV. High heritability combined with high genetic advance was documented for the trait’s plant height and seeds per plant, whereas high heritability coupled with low genetic advance, was recorded for the trait’s days to fifty % flowering, days to maturity, primary branches per plant, secondary branches per plant, pod length, 100 seed weight, percent disease incidence and seed yield per plant. The existing variability identified can be further exploited in crop improvement of field pea
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