Association and Path Coefficient Analysis in Rice Germplasm for Panicle Architectural and Yield Attributing Traits

Author: Agalya Jasmin S., Hari Prasanth P., Ramchander S., Dinesh Kumar P., Devesena N., Naveenkumar R., Sugitha Thankappan and John Kingsly N.B.

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Abstract

Rice is known as a prime food for more than half of the global population. Due to the expanding population on world, it is essential to increase productivity and production of rice. Therefore, increasing the grain yield has become one of the main goals for the breeders. Improving the panicle architecture and yield attributing traits has been the leading target domain in high-yield breeding in rice. Hence, to develop an economically viable variety, plant breeders need to employ an effective selection technique that takes into account the link between yield and the contributing characteristics i.e., panicle architecture traits. The present study is being carried out to examine the phenotypic, genotypic correlation, and path coefficient analysis of 69 genotypes of rice. Single plant yield, spikelet fertility, the number of filled grains per panicle, and panicle weight were found to be significantly positively correlated with the panicle architecture and yield-attributing traits. Thus, choosing individuals with these traits can increase yield. According to path coefficient analysis the traits namely, the number of productive tillers, number of filled grains, and 1000 grain weight were found to have a direct positive impact on yield. Hence, choosing this character could increase yield and yield components.

Keywords

Rice, Panicle architecture, Phenotypic correlation, Genotypic correlation, Path analysis

Conclusion

Concisely, the rice landraces and varieties under study have the potential to include several significant and beneficial traits. According to the path analysis and assessment of phenotypic and genotypic correlation, the most trustworthy variables for increasing rice production were the number of productive tillers, the number of filled grains per panicle, and 1000grain weight. So, when choosing to improve rice productivity, the highest priority should be given to these characteristics.

References

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How to cite this article

Agalya Jasmin S., Hari Prasanth P., Ramchander S., Dinesh Kumar P., Devesena N., Naveenkumar R., Sugitha Thankappan and John Kingsly N.B. (2023). Association and Path coefficient Analysis in Rice Germplasm for Panicle Architectural and Yield Attributing Traits. Biological Forum – An International Journal, 15(5): 296-303.