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<p>Forage maize holds significant importance as a cereal forage crop due to its exceptional fodder quality. This study primarily aimed to identify genomic regions associated with forage quality traits in this crop. QTL analysis on a mapping population of the cross DM 94 × African Tall, identified 11 QTLs associated with quality traits. The phenotypic variation explained by each locus ranged from 2.5 (CF) to 20.5% (NDF). Notably, qNDF-9–1 (20.5%) and qCP-3–1 (12.8%) individually accounted for over 10% of the phenotypic variation. The validation of qCP-3–1 in a different mapping population (52485 × UMI 1221) underscores its significance. Therefore, this specific QTL qCP-3–1 can be effectively incorporated into forage maize improvement programs, especially focusing on enhancing CP content.</p>

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Mapping of quantitative trait loci associated with fodder quality traits in forage maize (Zea mays L.)

  • 期刊论文

  • 发表日期：

    2025年1月28日

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  • Palaniyappan Subramani,
  • Ganesan Kalipatty Nalliappan,
  • Manivannan Narayana,
  • Senthil Natesan

摘要

Forage maize holds significant importance as a cereal forage crop due to its exceptional fodder quality. This study primarily aimed to identify genomic regions associated with forage quality traits in this crop. QTL analysis on a mapping population of the cross DM 94 × African Tall, identified 11 QTLs associated with quality traits. The phenotypic variation explained by each locus ranged from 2.5 (CF) to 20.5% (NDF). Notably, qNDF-9–1 (20.5%) and qCP-3–1 (12.8%) individually accounted for over 10% of the phenotypic variation. The validation of qCP-3–1 in a different mapping population (52485 × UMI 1221) underscores its significance. Therefore, this specific QTL qCP-3–1 can be effectively incorporated into forage maize improvement programs, especially focusing on enhancing CP content.