Stability analysis of yield and its component traits in bread wheat (Triticum aestivum L.)

Abstract

Experiment was conducted with twenty wheat genotypes for twelve yield and its contributing traits in four dates of sowing viz., 15 Nov (E1), 25 Nov (E2), 05 Dec (E3), 15 Dec (E4) during Rabi 2019-20 at Department of Seed Technology, Sardarkrushinagar Dantiwada Agricultural University, Sardarkrushinagar. The genotypes and environment interaction tested against pooled error were significant at 5% probability level for all the characters except number of effective tillers per meter, number of effective tillers per plant, biological yield per meter, biological yield per plant and harvest index showing differential response of genotypes with environment. The genotype VA2019-26 was average stable for grain yield per meter, grain yield per plant and number of effective tillers per meter whereas genotype VA2019-29 was showing average stability for grain yield per meter and harvest index while the genotype VA2019-19 showed average stability for the traits thousand grain weight, biological yield per meter and biological yield per plant indicating adaptation to all the studied environments.