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Inoculation Strategies to Infect Plant Roots with Soil-Borne Microorganisms

Inoculation Strategies to Infect Plant Roots with Soil-Borne Microorganisms

Published on: March 1, 2022

Migrate or evolve: options for plant pathogens under climate change.

Sukumar Chakraborty¹

¹CSIRO Plant Industry, Queensland Bioscience Precinct, St. Lucia, Queensland, Australia. sukumar.chakraborty@csiro.au

Global Change Biology

|April 5, 2013

Summary

This summary is machine-generated.

Climate change will accelerate plant pathogen evolution and geographic spread, impacting agriculture and ecosystems. Understanding pathogen fitness and integrating technology are key to managing these evolving threats.

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Area of Science:

Plant pathology
Evolutionary biology
Climate change science

Background:

Climate change research on plant pathogens yields inconsistent findings.
Knowledge on plant pathogens is fragmented across disciplines, hindering comprehensive understanding.

Purpose of the Study:

To integrate cross-disciplinary knowledge on climate change impacts on plant pathogens.
To propose a framework for minimizing uncertainty in predicting pathogen evolution and distribution.

Main Methods:

Review of existing literature integrating agricultural and natural plant communities.
Application of 'fitness' concept from population biology to assess pathogen strengths and vulnerabilities.
Exploration of pathogen nutrition and its interaction with plant abiotic stress.

Main Results:

Climate change is predicted to drive accelerated evolution and altered geographic distribution of plant pathogens.
Elevated temperatures and CO2 may promote rapid evolution of new pathogen races.
Changing distributions can increase pathogen diversity by bringing together disparate lineages.

Conclusions:

Uncertainty in predictions stems from scale issues and lack of integrated human intervention scenarios.
A generic framework is proposed to integrate biophysical models, technology, and human intervention.
Future research should focus on reducing uncertainty, developing management strategies targeting pathogen fitness, and identifying climate signatures in pathogens.