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Mungbean crops are severely affected by various biotic and biotic factors that can causes significant yield losses across different countries. Diseases like yellow mosaic disease (YMD), powdery mildew, cercospora leaf spot, dry root rot, fusarium wilt, and halo blight reduce the productivity of the mungbean crop. Conventional breeding techniques are normally used to develop resistant varieties against various diseases. However, due to limitations in mungbean breeding programs, combination of molecular tools along with conventional breeding techniques is highly suitable for development of resistant varieties against various diseases. For YMD, three QTLs associated with MYMIV resistance have been identified. The major QTL, PMR1, was identified to have resistance to powder mildew. Another significant QTL, qCLS, located on linkage group 3, explains approximately 65.5–80.53% of the phenotypic variation in Cercospora leaf spot (CLS) resistance.

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Molecular Breeding Approaches for Disease Resistance

  • 章节

  • 发表日期：

    2026年

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  • Huiying Shi,
  • Yingchao Shen

摘要

Mungbean crops are severely affected by various biotic and biotic factors that can causes significant yield losses across different countries. Diseases like yellow mosaic disease (YMD), powdery mildew, cercospora leaf spot, dry root rot, fusarium wilt, and halo blight reduce the productivity of the mungbean crop. Conventional breeding techniques are normally used to develop resistant varieties against various diseases. However, due to limitations in mungbean breeding programs, combination of molecular tools along with conventional breeding techniques is highly suitable for development of resistant varieties against various diseases. For YMD, three QTLs associated with MYMIV resistance have been identified. The major QTL, PMR1, was identified to have resistance to powder mildew. Another significant QTL, qCLS, located on linkage group 3, explains approximately 65.5–80.53% of the phenotypic variation in Cercospora leaf spot (CLS) resistance.