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Improving sustainable crop protection using population genetics concepts.

Méline Saubin1, Clémentine Louet1,2, Lydia Bousset3

  • 1Université de Lorraine, INRAE, IAM, Nancy, France.

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|July 30, 2022
PubMed
Summary

Sustainable crop protection requires durable plant resistance. This study reveals that splitting resistance research into three subfields hinders progress, but population genetics can bridge this gap for better cultivar management.

Keywords:
citation networkgenetic drifthost-pathogen coevolutionplant immunityresistance durabilitytransient dynamics

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Area of Science:

  • Plant Pathology
  • Genetics
  • Evolutionary Biology
  • Agricultural Science

Background:

  • Genetically resistant plants control pathogens and reduce pesticide use.
  • Pathogen adaptation can rapidly overcome plant resistance, posing a challenge to sustainable crop protection.
  • Current research efforts have not fully resolved how to achieve durable resistance.

Purpose of the Study:

  • To analyze the evolution of the resistance durability research field.
  • To identify how the current structure of the field impedes integrated progress.
  • To propose population genetics as a unifying framework for sustainable resistance management.

Main Methods:

  • Bibliographic analysis of the resistance durability research field.
  • Identification of distinct subfields: plant breeding, molecular interactions, and epidemiology and evolution.
  • Theoretical argumentation for the application of population genetics.

Main Results:

  • The field of resistance durability has fragmented into three specialized subfields.
  • This fragmentation impedes integrated research and compromises sustainable management of genetic resistance.
  • A gap exists between the subfields, which can be bridged by population genetics.

Conclusions:

  • Integrating research through population genetics offers a unified view of pathogen adaptation.
  • Population genetics can track genetic changes and population dynamics, informing evolutionary-epidemiological feedbacks.
  • This integrated framework can improve the development and management of genetically resistant cultivars for sustainable agriculture.