Spectrum of Genetic Variability for Seed Yield and Yield-Contributing Traits in Soybean (Glycine max (L.) Merrill)

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CHETNA YADAV; Dr. Kevin Gawali; Dr. Deepak Sapkal; Dr. Mukesh Rathod; Dr. Ashish Sarda

Spectrum of Genetic Variability for Seed Yield and Yield-Contributing Traits in Soybean (Glycine max (L.) Merrill)

Authors: CHETNA YADAV, Dr. Kevin Gawali, Dr. Deepak Sapkal, Dr. Mukesh Rathod, Dr. Ashish Sarda

Unique Paper ID: 183844
Volume: 12
Issue: 3
PageNo: 3040-3044

Keywords: Glycine max genetic variability genotypic coefficient of variation (GCV) phenotypic coefficient of variation (PCV) heritability genetic advance yield components soybean breeding.

Abstract:
The present investigation entitled “Spectrum of Genetic Variability for Seed Yield and Yield-Contributing traits in Soybean (Glycine max (L.) Merrill)” was undertaken to assess the extent of variability, heritability, and genetic advance in eight soybean genotypes. The experiment was laid out in a Randomized Block Design with three replications during the Kharif season of 2024 at the School of Agricultural Sciences, G.H. Raisoni University, Saikheda. Observations were recorded for nine characters: days to 50% flowering, days to maturity, plant height, number of primary branches per plant, pod length, number of pods per plant, number of seeds per pod, 100-seed weight, and seed yield per plant. Analysis of variance revealed significant differences among genotypes for all traits, indicating considerable genetic variability. A wide range of variation was recorded for seed yield per plant, number of pods per plant, and plant height, suggesting ample scope for selection. Phenotypic coefficient of variation (PCV) values were slightly higher than genotypic coefficient of variation (GCV) for all traits, suggesting minimal environmental influence. High heritability coupled with high genetic advance as percent of mean was observed for number of primary branches per plant, number of pods per plant, 100-seed weight, and seed yield per plant, indicating the predominance of additive gene action and effectiveness of direct selection for yield improvement. These findings provide valuable insights for breeders to develop high-yielding and stable soybean varieties adapted to diverse agro-climatic conditions, hereby enhancing productivity and profitability.

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Cite This Article

ISSN: 2349-6002
Volume: 12
Issue: 3
PageNo: 3040-3044

Spectrum of Genetic Variability for Seed Yield and Yield-Contributing Traits in Soybean (Glycine max (L.) Merrill)

Available:https://ijirt.org/article?manuscript=183844

20 Aug, 2025

Character Association and Path Analysis for Seed Yield and Yield-Contributing Traitsin Soybean (Glycine max (L.) Merrill)

Impact Factor
8.01 (Year 2024)

UGC Approved
Journal no 47859

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