Stability Analysis for Grain Yield and Yield Contributing Traits in Hybrid Rice

Author: Gonya Nayak P.*, Sujatha M., Chandra Mohan Y., Saida Naik D. and Kiran Babu T.

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Abstract

An experiment was conducted using 56 rice genotypes along with two standard checks (hybrid check, US 314 and Varietal check, Tellahamsa) in three different locations of Telangana state to assess their stability in terms of grain yield and number of productive tillers per plant in diverse environments during Rabi 2020-21 (Jagtial, Rudrur and Rajendranagar). Aim of this study is to identify the high yielding stable hybrids tolerant to blast and cold suitable to rabi season for Telangana state. The analysis of variance for number of productive tillers per plant and grain yield per plant for genotypes, environment and genotype-environment interaction were highly significant indicating the variable response of genotypes and environments. Among the parents JGL 35126, IR 72 and JGL 34551 were stable for the characters grain yield per plant, number of productive tillers per plant. The hybrids, JMS 13A × RNR 2354 (37.41 g), CMS 46A × JGL 34551 (35.06 g) and JMS 13A × ZGY 1 (34.78 g) shown si

Keywords

Hybrids, Grain yield and stability.

Conclusion

According to the findings of this study, stability analysis provided a good understanding of the adaptation level of rice genotypes across a wide range of environments. As a result, all genotypes interacted with the environment differently for different characters, and some genotypes were identified as stable for the various characters studied. Among the parents, JGL 35126 was found to be stable for the characters grain yield per plant and number of productive tillers per plant, whereas RNR 2354, RNR 21571, and JGL 35047 were stable for number of productive tillers per plant and IR 72 and JGL 34551 were stable for grain yield per plant. In contexts of hybrids, JMS 13A RNR 2354 was stable in terms of grain yield per plant and number of productive tillers per plant. CMS 49A × JGL 34551 was stable for grain yield, while JMS 13A × ZGY 1 was stable for grain yield per plant and number of productive tillers per plant. The current study, however, was confined to one season and three locati

References

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How to cite this article

Gonya Nayak P., Sujatha M., Chandra Mohan Y., Saida Naik D. and Kiran Babu T. (2022). Stability Analysis for Grain Yield and Yield Contributing Traits in Hybrid Rice. Biological Forum – An International Journal, 14(1): 1230-1234.