SCA and triticum aestivum

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Deciphering the genetics of some important grain yield traits in bread wheat (Triticum aestivum L. em. Thell)

The bread wheat is one of the most important crop providing one-fifth of total calories for world’s population. Growth in population is increasing the demand for wheat. Wheat breeders have been concentrated on development of HYV’s (High yielding varieties) which required genetic information (mode of inheritance and gene action parameters of yield components) of parental population. For this purpose diallel analysis used.

11p kethamoi7 26-08-2020 10 1 Download

Combining ability and gene action studies for yield and its component traits in bread wheat (Triticum aestivum L.)

Analysis of variance for combining ability revealed that mean squares due to lines and testers were significant for all characters, indicated contribution of both lines and testers towards the general combining ability variance. The mean squares due to lines × testers were also significant for all the characters under study, which revealed the contribution of hybrids for specific combining ability variance component. This indicated involvement of both additive as well as non-additive components of gene action.

7p caygaocaolon6 30-07-2020 15 2 Download

Combining ability analysis for yield and its components in bread wheat (Triticum aestivum L.) under abiotic stress

Combining ability analysis for yield and its component under late sown condition in bread wheat involved ten diverse parents and their 45 F1s and their F2s indicated significance differences among the parents for gca and crosses for sca for all characters under studied. The GCA and SCA components of variances in both generations showed significant for all traits indicating additive and non additive gene action controlled the pattern of inheritance for the concern traits over the both generations.

16p chauchaungayxua6 26-06-2020 16 0 Download
Combining ability studies for morpho-physiological, yield, yield attributes nitrogen use efficiency and its related traits in bread wheat (Triticum aestivum L.)

In India, wheat is the most important cereal crop and plays a major role in food and nutritional safety. Worldwide, there is a growing interest in the development of wheat cultivars that are more effective in utilizing nitrogen (N) and better suited to N constraints. he objective of this research was to investigate the comparative significance of general (GCA) and specific (SCA) combining ability in a set of wheat genotypes with promising lines and their corresponding half-diallel crosses.

11p cothumenhmong3 22-02-2020 41 0 Download