Unlocking the Genetic Potential of Soybean (Glycine max L.) Accessions for Enhanced Yield and Crude Protein

Published on 15 June 2025 | AgroEnvironmental Sustainability
Vol. 3 No. 2 (2025): June Issue | DOI: 10.59983/s2025030207
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AgroEnvironmental Sustainability
Santosh Bhandari , Krishna Hari Dhakal , Madhav Prasad Pandey , Sagar Lamsal , Roshan Ghimire

Abstract

To elucidate improved germplasm for grain yield and seed protein content, ten soybean accessions were evaluated in a replicated randomized complete block design. This study reveals substantial phenotypic variation, with protein content spanning 34.48% to 42.10%. PK-7394 recorded the highest protein level (42.10%) but showed reduced grain yield, whereas Hardee produced a maximum yield of 3.89 t ha⁻¹. TGX-1990-114FN combined high protein content (40.98%) with competitive yield (3.85 t ha⁻¹), thereby corroborating its potential as a prime genetic resource. Correlational analyses revealed positive associations between grain yield and nodule count (r = 0.55) as well as seed diameter (r = 0.16). Protein content exhibited a high Shannon-Wiener diversity index (1.09), highlighting variability across accessions. By integrating high yield and enhanced protein content, TGX-1990-114FN emerged as an optimal genetic resource for breeding programs focused on developing high-yielding and nutritionally enriched soybean varieties. Such findings offer valuable insights into advancing agricultural productivity and addressing global food security challenges.

Keywords

diversity index grain yield seed protein soybean

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How to Cite

Bhandari, S., Dhakal, K. H., Pandey, M. P., Lamsal, S., & Ghimire, R. (2025). Unlocking the Genetic Potential of Soybean (Glycine max L.) Accessions for Enhanced Yield and Crude Protein. AgroEnvironmental Sustainability, 3(2), 146-155. https://doi.org/10.59983/s2025030207

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