GENOTYPE X ENVIRONMENT INTERACTION ANALYSIS FOR FIBER QUALITY, SEED COTTON YIELD AND IT’S CONTRIBUTING TRAITS IN BT BGII COTTON (GOSSPIUM HIRSUTUM L.)

Field experiment were undertaken to assess stability of some new Bt BGII cotton strains under three different agro-environments.32 crosses, 8lines and 4testers along with NHH-44 BGII and MRC 7347 BGII checks were planted under three different environmental conditions of Marathwada region viz., Nanded, Parbhani and Somnthpur.Fiber quality, Seed cotton yield and it's contributing traits data were recorded from each location and stability analysis were performed.The combined analysis of variance for varieties, location and varieties x location interaction showed highly significant for most of the traits.The pooled analysis of variance showed that both the linear and non-linear components were significant indicating presence of both predictable and unpredictable components.The cross NH-2292 BGII x NH-2289 BGII was well adapted over the environments and NH-2230 BGII x NH-2247 was adapted to unfavorable environment while crosses viz., NH-2260 BGII x NH-2236 BGII and NH-22126 BGII x NH-2236 were adapted to all the environment for seed cotton yield per plant.