Correlation and Path Coefficient Analysis of Plant Dry Pod Yield and Its Yield Components in Groundnut (Arachis hypogaea L.)
Pappuru Manogna, Hari Ram Kumar Bandi, K Krishnam Raju, Raghu Gogada
Journal of Applied Life Sciences International · pp. 88–96 · Published 21 Jan 2026
10.9734/jalsi/2026/v29i1751Abstract
The correlation between plant dry pod yield and other traits like number of pegs, number of pods and fresh pod yield per plant was found to be significantly positive in 30 groundnut genotypes studied under a randomized block design in triplicates. Thus, these traits might be used as the basis for the selection of genotypes that can produce high pod yield. The same time, in path coefficient analysis indicated the real (true) correlation of number of pods per plant and fresh pod yield per plant with dry pod yield per plant by connecting significant positive association and positive direct effect which implied a very high positive direct contribution. Hence, direct selection of the quantitative traits (i.e., number of pods per plant and fresh pod yield per plant) would be more effective in the simultaneous improvement of dry pod yield in groundnut breeding programs.
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