Vol. 11, Issue 5 (2022)

Author(s):
Bharath Kumar TK, Venkataravana P, Ramanappa TM, Priyadarshini SK and Mohan Kumar NV

Abstract:
TMV-2 is widely adaptable high yielding groundnut which is highly accepted for its climate resilience and pod and kernel characters. With an objective of developing high yielding, widely adaptable cultivars similar to TMV-2 type pods and kernels, three crosses were effected involving TMV-2 as female parent. Breeding potential of three crosses (TMV-2 × ICGV-91114, TMV-2 × TG-69 and TMV-2 × ICGV-00350) in F₅ generations were evaluated for ten quantitative traits. In the segregating generation as expected lot of variability was noticed for yield attributing traits like pods plant^-1, pod yield plant^-1, kernel yield plant^-1, branches plant^-1 among the segregating population of all the three crosses which was justified by the statistical significant mean sum of squares values and higher estimates of GCV and PCV. There was closeness among estimates of GCV and PCV which indicated less influence of environment on all the traits which was amply reflected by high broad sense heritability along with high expected GAM, suggesting involvement of additive gene action in controlling these traits. The comparative observation and estimates among the three crosses pointed that TMV-2 × ICGV-00350 is predicted to have better breeding potential.