Assessment of genetic variability among soybean genotypes (Glycine max (L.) Merrill)
Keywords:
Genetic parameters, GCV, heritability, PCV, SoybeanAbstract
An experiment was conducted to evaluate genetic variability among 247 genotypes of soybean during kharif 2021 and 2022 at Palampur. Analysis of variance showed significant variability for all traits. PCV (%) and GCV (%) were higher for biological yield, pods per plant and harvest index indicating the presence of high genetic variation for the traits. High heritability coupled with high genetic advance was observed formost of the traits indicated the presence of additive gene action suggesting the selection of these traits for substantial genetic gains in the subsequent generations. Based on mean performance over the environments, the genotypes GW59, GW6, GW222 and GW376 were found suitable for yield trait improvement in soybean. Hence, these genotypes can be effectively utilized in soybean breeding programs to develop high-yielding varieties and thus would be helpful in mitigating the existing yield gap.
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