Phenotypic stability For Some Newly Released Bre ad Wheat ghnotypes

Environment upon which the breeder practice selection possess magor prblem to plnt breeder and different opinion in this respect were laid outsome prefer selection under favourable conditions as falconer (1990) suggested no trend could be followed taking all these opinions and results the present research work was therefore designed and the most commonly biometrical approaches were employed i,e.gx e interaction diallel and selectionsepartion out the components of genotype-environment interaction to determine the most contributed environmental sourcesthe components of the genetic variance and their interaction with environment.