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<p>Iron (Fe) and zinc (Zn) are crucial micronutrients for growth and development. Mung bean, a key source of plant-based protein, is largely cultivated in South Asia. Enhancing micronutrient levels through biofortification offers a promising strategy to combat deficiencies. This study evaluated the genotype × environment interaction (G × E) and stability of Fe, Zn, and hundred-seed weight (HSW) in 33 mung bean genotypes across three locations in Tamil Nadu. Fe and Zn levels were estimated using atomic absorption spectroscopy (AAS). The combined analysis of variance revealed a significant (<i>p</i> &lt; 0.05) G × E interaction for Fe, Zn, and HSW. (Additive Main Effects and Multiplicative Interaction) AMMI and (Genotype and Genotype × Environment) GGE. Biplot analyses identified stable genotypes with superior micronutrient profiles. COGG 22–03, COGG 23–021, and VBN 7 exhibited enhanced stability and micronutrient content. Stability indices, including AMMI stability index (ASI) and multi-trait stability index (MTSI), identified VGG 20–157, VBN 7, and COGG 23–006 as potential lines for biofortified mung bean breeding programs.</p>

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Genotype × Environment Interaction Effects for Identifying Stable Genotypes with High Iron and Zinc Content in Mung Bean (Vigna radiata)

  • 期刊论文

  • 发表日期：

    2025年11月8日

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  • Madhan Arunkumar,
  • Arumugam Yuvaraja,
  • Dharmalingam Kumaresan,
  • Narayanan Manikanda Boopathi,
  • Chinnusamy Menaka,
  • Ramasamy Jagadeeswaran

摘要

Iron (Fe) and zinc (Zn) are crucial micronutrients for growth and development. Mung bean, a key source of plant-based protein, is largely cultivated in South Asia. Enhancing micronutrient levels through biofortification offers a promising strategy to combat deficiencies. This study evaluated the genotype × environment interaction (G × E) and stability of Fe, Zn, and hundred-seed weight (HSW) in 33 mung bean genotypes across three locations in Tamil Nadu. Fe and Zn levels were estimated using atomic absorption spectroscopy (AAS). The combined analysis of variance revealed a significant (p < 0.05) G × E interaction for Fe, Zn, and HSW. (Additive Main Effects and Multiplicative Interaction) AMMI and (Genotype and Genotype × Environment) GGE. Biplot analyses identified stable genotypes with superior micronutrient profiles. COGG 22–03, COGG 23–021, and VBN 7 exhibited enhanced stability and micronutrient content. Stability indices, including AMMI stability index (ASI) and multi-trait stability index (MTSI), identified VGG 20–157, VBN 7, and COGG 23–006 as potential lines for biofortified mung bean breeding programs.