ON Ragade, MP Deshmukh, SB Mahajan, SD Kale, SD Kumbhar and Nireekshitha MK
The present investigation was conducted at the Agricultural Research Station, Kasbe-Digraj, Sangli during Kharif-2023 with the objective of evaluating 37 soybean genotypes for their yield and yield influencing traits. The experiment followed a randomized block design (RBD) with two replications. Ten traits including 7 morphological and 3 nutritional quality parameters were assessed for their correlation with seed yield. Correlation analysis revealed that several traits exhibited significant positive associations with seed yield per plant at the genotypic level. Among these the number of pods per plant, 100-seed weight and days to 50% flowering showed the strongest positive correlations with seed yield per plant indicating that these traits play a crucial role in enhancing soybean yield. Interestingly, trypsin inhibitor activity showed a positive but undesirable significant correlation with seed yield per plant. Path coefficient analysis further highlighted the direct positive effects of traits like the number of pods per plant and 100-seed weight on seed yield per plant with the number of pods per plant exerting the highest direct impact. Conversely, protein content exhibited a direct negative effect on seed yield which could limit breeding programs aimed at improving both yield and nutritional quality. This research highlights the potential of improving yield by selecting genotypes with favourable traits such as an increased number of pods per plant and higher 100-seed weight. The findings provide valuable insights for soybean breeding strategies aimed at enhancing yield potential.
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