Inheritance of protein content in fieldpea
DOI:
https://doi.org/10.53550/jfl.v18i2.2335Keywords:
Combining ability, Fieldpea, Gene action, Protein contentAbstract
Genetic architecture of protein content was studied in F, and F, generations of 10 x 10 diallel crosses excluding reciprocals in pea. The graphical analysis indicated appreciable diversity among the parents for this trait. Estimates of genetic parameters and combining ability analysis revealed highly significant additive and dominance effects with the preponderance of additive effect. The value of mean degree of dominance was found less than unity indicating partial dominance for high protein content. At least one major gene group controlled the inheritance of protein content. KPMR 155, HFP 4, Kiran and KPMR 186 were found to be good general combiners for high protein content. Therefore, these parents could serve as donors in breeding programme oriented towards developing high yielding cultivars with high protein content. Four significant crosses common for high protein content in both the generations included KPMR 65 x HFP 4, DMR 11 x KPMR 155, KPMR 155 x KPMR 65 and KPMR 186 x HUP 2. The simple and easily heritable nature of the trait will facilitate the isolation of superior homozygous type from highly heterotic hybrids in early generations.
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