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Does Abiotic Host Stress Favour Dothideomycete-Induced Disease Development?
Laura Röhrig1,2, Francois Dussart1
1Department of Agriculture, Horticulture and Engineering Science, Scotland's Rural College (SRUC), Edinburgh EH9 3JG, UK.
Plants (Basel, Switzerland)
|June 23, 2022
Summary
Dothideomycete fungi threaten global food security, especially with climate change increasing crop diseases and yield losses. This review examines how abiotic stresses impact Dothideomycete plant diseases.
Area of Science:
- Mycology
- Plant Pathology
- Climate Change Science
Background:
- Dothideomycetes are a large, diverse fungal class with significant roles as plant pathogens.
- Many Dothideomycetes infect staple crops, posing risks to global food security.
- Climate change exacerbates crop disease prevalence and yield losses, increasing pressure on food systems.
Purpose of the Study:
- To review the impact of abiotic stresses on host plants in the development of Dothideomycete-caused diseases.
- To highlight the relevance of Dothideomycetes to food security under changing climate conditions.
Main Methods:
- Literature review focusing on Dothideomycete plant pathogens.
- Analysis of studies investigating abiotic stress effects on host-pathogen interactions.
- Synthesis of current knowledge on climate change impacts on fungal diseases.
Main Results:
- Abiotic stresses significantly influence the development and severity of diseases caused by Dothideomycete fungi.
- Increased prevalence of fungal diseases and yield losses are predicted under various climate change scenarios.
- Host responses to abiotic stress can alter susceptibility to Dothideomycete infections.
Conclusions:
- Understanding the interplay between abiotic stress and Dothideomycete pathogenicity is crucial for food security.
- Further research is needed to develop strategies for managing these fungal diseases in a changing climate.
- Dothideomycete fungi represent a significant challenge to sustainable agriculture and global food supplies.
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