AI Article Synopsis
- - The study examined six mungbean parent lines and 15 hybrids to assess their combining ability and heterosis related to yield, revealing significant genetic variability among the genotypes.
- - Findings indicated that both general combining ability (GCA) and specific combining ability (SCA) played important roles in the inheritance of traits, with non-additive gene effects being predominant, especially for traits like plant height and seeds per pod.
- - The best general combiners identified were BARI Mung-1, PS-7, and BMXK1-14004, while the top heterotic hybrids for yield were BMXK1-14004 × Sonali mung and BMXK1-14004 × PS-7, suggesting these combinations
Article Abstract
Six mungbean parental lines and their fifteen Fs produced from half-diallel mating design were investigated for combining ability and heterosis in terms of a yield and its components. Results showed highly significant variations among the parents and Fs, suggesting a wide genetic variability for the studied characters. Analysis of variance indicated that genotypes mean square values, general combining ability (GCA) and specific combining ability (SCA) were highly significant ( ≤ 0.001) for all measured traits except for days to flowering, days to maturity, and pod length indicating genetic diversity of parents and both additive and non-additive gene effects in the inheritance of the measured traits. A higher effect of SCA than GCA for plant height and seeds per pod suggests the preponderance of non-additive gene effects in the expression of characters. Based on performance and GCA, BARI Mung-1, PS-7, and BMXK1-14004 were the best general combiners for yield per plant. In the context of SCA, hybrids BMXK1-14004 × Sonali mung, BMXK1-14004 × PS-7, BMXK1-14004 × BINA Mung-8, Sukumar × PS-7, and BARI Mung-1 × BINA Mung-8 were good specific combiners. BMXK1-14004 × Sonali mung and BMXK1-14004 × PS-7 were the best heterotic hybrids for yield and yield-contributing traits. These parents and crosses could be utilized for further use in breeding programs to improve yields in mungbean crops.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9268809 | PMC |
| http://dx.doi.org/10.3390/plants11131774 | DOI Listing |
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