Ecology, Environment and Conservation Paper


Vol.31, Issue 1, 2025

Page Number: 65-68

ASSESSMENT OF STABILITY AND ADAPTABILITY FOR GRAIN YIELD AND ITS CONTRIBUTING CHARACTERS IN WHEAT [TRITICUM AESTIVUM (L.) EM THELL]

Himansuman, Abhay Dashora, Rajendra Babu Dubey, Vinod Saharan, Devendra Jain, Narayan Lal Meena and Urmila Choudhary

Abstract

The experimental material composed of 45 genotypes, including 13 parents, 30 F1s, and 2 checks were evaluated for their stability and adaptability across three different environments during the Rabi, 2022-23. The pooled analysis of variance for stability revealed that mean sum of squares due to genotypes, E + (G x E) and G x E (L) were found highly significant for all the characters under study, indicating that the environments were quite variable for these traits and the differential response of genotypes to the all these environmental conditions. The mean sum of squares due to environments (linear) and pooled deviation were also found significant for all characters, indicated that genotypes differed considerably with respect to their stability for these characters. This indicates that these traits may be unstable and could vary significantly with changes in environmental conditions. Based on the findings, cross DBW 110 x WR 544was identified as ideal and stable genotypes for grain yield per plant and can be recommended for cultivation in various seasons and different growing regions, whereas among all the parents Raj 4079 and GW-2014- 596 demonstrated stability in favorable environments. These identified genotypes can be used to improve wheat cultivation and achieve reliable production.