87-Zhong291 Wheat Cultivars Crosses in Drought Stress Conditions

4 Abstract: In order to study the effect of drought stress on agronomic and morphological traits (quantitative traits) and also qualitative traits of wheat cultivars (segregation population (307 F5-plants), which are upshot of mating of Azar2 (tolerant cultivar) with 87-Zhong291 (susceptible cultivar)) and also assessment of reaction between wheat lines and cultivars to drought stress and effect of qualitative and quantitative traits on each other this study was established. For recognizing of this significant relationship on drought stress conditions experimented with using complete randomized design in 6replications was used. Farm irrigation just one time for germination of grains had done and within the growth season some agronomic and morphological characters in both vegetative and reproductive stages such as plant height (cm), days to flowering, 1000 kernels weight (KW) and etc and also evaluated some qualitative traits such as seed wrinkling after harvest, leaf twist at the hot moments of the day and etc was measured. According to an unbalanced CRD design analysis relevance of all traits, due to importance of precociousness was studied and concluded that some characters such as days to flowering were useful in plant drought tolerance and were effective on qualitative traits like seed fall and some others.