Principal Component Analysis of Yield Attributing Traits in Derived Lines of Katarni Rice

Author: Divya Mahto, P.K. Singh, Sareeta Nahakpam and Mankesh Kumar

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Abstract

In, the traditional aromatic non-basmati Katarni rice is grown in the few blocks of Bihar Bhagalpur, Banka, and Munger, districts. However, it matures late, has weak straws, is tall, and is prone to lodging. With the objective of developing a semi-dwarf and early maturing variety, Katarni was crossed with three semi-dwarf high yielding cultivars namely Rajendra Sweta, IR 64 and BPT5204. The generation was advanced to the F6 generation and 54 derived lines of Katarni were examined in this study on the basis of 14 morphological parameters. Seventy percent of the entire variability was accounted for by five principal components, all of which had Eigen values above one. Between the first PC (23.31%) and second PC (35.59%), the total variation was 63.90%. Trait biplot analysis revealed substantially favorable genotypes for plant height and also found to be strongly positively. The genotypes biplot analysis showed that entries KIR-46, KIR-48, KRS-30, KRS-32, KRS-40 KRS-43, KRS-14, KRS-15, KRS-16, KRS-17, KRS-9, KRS-25 and KMTU-54 were found to be diverse and can be used further for varietal development.

Keywords

Eigenvalue, Hybridization, Katarni, Principal component

Conclusion

Significantly advantageous genotypes for the trait plant height were found via trait biplot analysis. Several genotypes that can be employed further for varietal development were identified by the genotypes biplot analysis, including KIR-46, KIR-48, KRS-30, KRS-32, KRS-40, KRS-43, KRS-14, KRS-15, KRS-16, KRS-17, KRS-9, KRS-25, and KMTU-54.

References

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How to cite this article

Divya Mahto, P.K. Singh, Sareeta Nahakpam and Mankesh Kumar (2023). Principal Component Study of Yield Attributing Traits in Derived Lines of Katarni Rice for the Purpose of Estimating Genetic Diversity. Biological Forum – An International Jogurnal, 15(2): 1195-1199.