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The Practical Role of Induced Resistance for Crop Protection.

Tony Reglinski1, Neil Havis2, Helen J Rees2

  • 1The New Zealand Institute for Plant and Food Research Ltd., Ruakura Research Centre, Hamilton, NZ.

Phytopathology
|January 13, 2023
PubMed
Summary

Plants can be protected from diseases using induced resistance (IR) triggered by biological or chemical inducers. This approach offers a sustainable alternative to synthetic pesticides, reducing chemical inputs in agriculture.

Keywords:
disease resistanceplant immune responses

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Area of Science:

  • Plant pathology
  • Agricultural science
  • Biotechnology

Background:

  • Plants possess sophisticated immune systems involving preformed and inducible defense mechanisms.
  • Induced resistance (IR) artificially triggers plant defenses against pathogen attacks.
  • IR shows promise for disease control but has limitations compared to synthetic pesticides in field conditions.

Approach:

  • Reviewing the application of biological and chemical inducers to activate plant defense responses.
  • Examining the integration of IR with conventional and biological control methods.
  • Discussing advancements in understanding plant defense signaling pathways.

Key Points:

  • IR can be triggered by various inducers, enhancing plant immunity.
  • Legislation promoting reduced synthetic chemical use fuels renewed interest in IR.
  • IR can be integrated into crop management to reduce chemical inputs without compromising efficacy.
  • Optimizing IR involves developing more effective inducers and strategic implementation.

Conclusions:

  • IR offers a sustainable strategy for crop protection, complementing integrated pest management.
  • Further research into novel inducers and optimized application methods is crucial for maximizing IR's potential.
  • IR contributes to reducing reliance on synthetic pesticides in modern agriculture.