Jornal de Genética e Biologia Molecular

Abstrato

Combining ability analysis in bread wheat (Triticum aestivum L.) under heat stress condition.

Asaye Demelash Limenie*, DK Gothwal, ML Jakhar, AC Shivran, GK Mittal

Eight diverse parents and their 28F1’s crosses of bread wheat genotypes were made in half diallel fashion and conducted in RCBD with three replications during rabi 2019-2020. Parent Raj3777 showed also good general combiner as their GCA effect as well as per se performance for anthesis to maturity, total tillers/plant, flag leaf area, spike length, grains/spike, biological yield/plant and grain yield/plant but Raj 3765 only for flag leaf. SCA effects and performance, PBW502 × Raj3777 possessed good super combinations for grain yield/ plant and related components and cross PBW502 × Raj3777 recorded as high × low parental GCA effects indicating non-additive effects. Designed for wheat improvement by hybridization scheme, biparental mating could be useful in further manipulation of genes for economic purposes.

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