Correlation and Path Coefficient Analysis for Yield and its Components in M3 Generation Upland Rice (Oryza sativa L.) Mutants

Authors

  • Nucharee Chadakan Agricultural Innovation and Management Division, Faculty of Natural Resources Prince of Songkla University, Songkhla
  • Nattapon Junsawang Agricultural, Resource and Environmental System Research Center, Faculty of Natural Resources Prince of Songkla University Songkhla
  • Watcharin Soonsuwon Agricultural, Resource and Environmental System Research Center, Faculty of Natural Resources Prince of Songkla University Songkhla

Keywords:

upland rice, mutants, yield, correlation analysis, path coefficient analysis

Abstract

An information of the relationship between of yield and other traits is very important for breeders in order to select plants in each generation. This study was conducted to determine the correlation, direct and indirect effects of yield and other agricultural traits of M3 generation mutated upland rice. The result showed that significant positive correlations were recorded between grain yield and flag leaf length, number of tillers per plant, number of panicles per plant, number of grains per panicle and grain weight per panicle. Among these, number of panicles per plant, number of grains per panicle, and grain weight per panicle had highly positive direct effect on yield. While days to flowering, days to maturity, flag leaf length, number of panicles per plant, panicle length, number of grains per panicle, and grain weight per panicle had positive indirect effects on grain yield, via the number of tillers per plant. These traits can be used to help rice breeders to select for the high grain yield upland rice mutants.

References

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Published

2022-08-22

How to Cite

Chadakan, N. ., Junsawang, N. ., & Soonsuwon, W. . (2022). Correlation and Path Coefficient Analysis for Yield and its Components in M3 Generation Upland Rice (Oryza sativa L.) Mutants . Journal of Agricultural Research and Extension, 39(2), 17–25. retrieved from https://li01.tci-thaijo.org/index.php/MJUJN/article/view/246633

Issue

Vol. 39 No. 2 (2022): May - August 2022

Section

Research Article

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