to investigate the yield and agronomic traits of winter bread wheat genotypes in irrigating condition and also to determine the relationship of these traits with grain yield, 15 advanced genotypes of wheat along with three conventional cultivars where studied using randomized complete block design in three replications in 2010 growing season at kheyr-abad agricultural research station. the anal...

the evaluation of gene bank germplasm collection for morpho-physiological traits is important in the breeding programs. although phenotypic variation was considered, it is likely that this phenotypic variation is largely genetic and therefore directly useable for breeders, especially for those traits with high heritability such as heading and maturity time, plant height, kernel number and weigh...

Heading time is a major determinant of the adaptation of wheat to different environments, and is critical in minimizing risks of frost, heat, and drought on reproductive development. Given that major developmental genes are known in wheat, a process-based model, APSIM, was modified to incorporate gene effects into estimation of heading time, while minimizing degradation in the predictive capabi...

Heterotic groups are necessary for high vigor in hybrid rice. However, hybrids produced from crosses between parents different rice subspecies (i.e., Indica × Japonica) have extensive incompatibility issues exhibited by low seed sets. The study objectives were to evaluate the heterosis grain yield and yield-related traits parental genetic distances (PGDs) demonstrate heterotic group approach Fr...

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Twenty one genotypes of six – parent half diallel were analyzed for estimating gene effects of variance, combining ability and standard heterosis for forage yield and other traits in barley. The estimates of gene effects revealed the significant role of additive genetic component (D) for the inheritance of days to 50% heading, plant height and spikelets per ear. The non-additive component (H1) ...