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Brassica rapa is a vital crop facing significant yield losses, ranging from 30% to 90%, due to biotic stresses caused by fungi, bacteria, viruses, nematodes, and insect pests. This chapter explores the molecular mechanisms underlying resistance responses in B. rapa, including phytohormone signaling (SA, JA, ABA, and ET), and the role of induced resistance. It highlights recent advances in breeding, genetic engineering, and biotechnological tools such as CRISPR and RNAi for developing resistant cultivars. Emphasis is placed on integrating beneficial microbes and chemical elicitors to enhance plant immunity. This comprehensive approach provides sustainable solutions to manage biotic stress and improve B. rapa productivity and resilience.

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Unraveling Biotic Stress Resistance in Brassica rapa: Insights into Molecular Mechanisms, Biotechnological Advances, and Induced Resistance Responses

  • 章节

  • 发表日期：

    2026年

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  • Md. Mukul Islam,
  • Israt Ansari Zaman,
  • Bonventure Mumia,
  • Ummy Kulsum,
  • Umme Habiba Akter,
  • Ibukunoluwa A. Bankole,
  • Khizar Razzaq,
  • Sheikh Arafat Islam Nihad

摘要

Brassica rapa is a vital crop facing significant yield losses, ranging from 30% to 90%, due to biotic stresses caused by fungi, bacteria, viruses, nematodes, and insect pests. This chapter explores the molecular mechanisms underlying resistance responses in B. rapa, including phytohormone signaling (SA, JA, ABA, and ET), and the role of induced resistance. It highlights recent advances in breeding, genetic engineering, and biotechnological tools such as CRISPR and RNAi for developing resistant cultivars. Emphasis is placed on integrating beneficial microbes and chemical elicitors to enhance plant immunity. This comprehensive approach provides sustainable solutions to manage biotic stress and improve B. rapa productivity and resilience.