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Sugarcane (Saccharum officinarum L.) is a vital crop worldwide that encounters various challenges from pests, especially attacked by borer insects, which greatly affect the yield and quality of sugarcane. Stem borers are among the most destructive pests, which cause severe damage by tunnelling through plant tissues, weakening the crop, and providing entry points for pathogens. Developing resistant sugarcane varieties is a sustainable approach to managing borer pests, and breeding strategies are crucial in enhancing borer resistance. This chapter discusses the natural resistance mechanisms in sugarcane, emphasizing its physical and chemical defenses and behavioral resistance strategies. It also discusses screening techniques for identifying borer resistance, including bioassays and near-infrared reflectance spectroscopy (NIRS). Breeding approaches, from traditional methods to modern technologies, such as marker-assisted selection (MAS), genetic modification, and CRISPR/Cas9, are explored in detail. The role of wild relatives of sugarcane, which possess valuable genetic traits for pest resistance, is also highlighted as a key resource for improving resistance. This chapter concludes by emphasizing the need for integrated, multifaceted approaches in developing sugarcane varieties with enhanced borer resistance to reduce dependency on chemical control and promote sustainable farming practices.

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Breeding Approaches and Genetic Engineering for Enhancing Sugarcane Tolerance to Borer Infestation

  • 章节

  • 发表日期：

    2025年

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  • R. Chandraleka,
  • V. Ambethgar,
  • E. Kaviya,
  • C. Umamageswari,
  • A. Annamalai,
  • V. P. Santhi,
  • S. Geethanjali,
  • Krishan K. Verma,
  • Shahid Afghan

摘要

Sugarcane (Saccharum officinarum L.) is a vital crop worldwide that encounters various challenges from pests, especially attacked by borer insects, which greatly affect the yield and quality of sugarcane. Stem borers are among the most destructive pests, which cause severe damage by tunnelling through plant tissues, weakening the crop, and providing entry points for pathogens. Developing resistant sugarcane varieties is a sustainable approach to managing borer pests, and breeding strategies are crucial in enhancing borer resistance. This chapter discusses the natural resistance mechanisms in sugarcane, emphasizing its physical and chemical defenses and behavioral resistance strategies. It also discusses screening techniques for identifying borer resistance, including bioassays and near-infrared reflectance spectroscopy (NIRS). Breeding approaches, from traditional methods to modern technologies, such as marker-assisted selection (MAS), genetic modification, and CRISPR/Cas9, are explored in detail. The role of wild relatives of sugarcane, which possess valuable genetic traits for pest resistance, is also highlighted as a key resource for improving resistance. This chapter concludes by emphasizing the need for integrated, multifaceted approaches in developing sugarcane varieties with enhanced borer resistance to reduce dependency on chemical control and promote sustainable farming practices.