Correlation and Path Coefficient Analysis among Seed Yield Traits of Mung Bean (Vigna radiata L.) Accessions in Ethiopia

Abstract

Aims: This study was conducted to evaluate the association of different yield related traits to seed yield of mungbean Place and Duration of Study: The study was conducted at the Haramaya University Rare research site and Hirna Research site during the 2012 cropping season. Methodology: Randomized Complete Block Design with three replications was used for both locations. Each genotype was planted on a 1.2 X 2m plot consisting of four rows, which accommodates ten plants per row and thus 40 plants per plot. Results: The result showed that seed yield per plot was significantly associated with harvest index, seed yield per plant and biomass at both locations. However, at Hirna, number of secondary branches and number of pods per plant were also significantly associated with seed yield per plot. Path analysis indicated that harvest index and biomass were the main determinants of yield per plot at both Hirna and Rare. Analysis over locations also supported that harvest index and biomass are the main determinant of yield per plot. Conclusion: The present investigation indicated that a large scope of simultaneous improvement in seed yield through selection could be achieved using the traits identified as predictors of yield in mungbean.