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The Evolution of a Process for Selecting and Prioritizing Plant Diseases for Recovery Plans
N McRoberts1, C S Thomas1, J K Brown2
1Department of Plant Pathology, University of California, Davis.
Plant Disease
|January 29, 2019
Summary
Developing a science-based process to prioritize exotic plant diseases is crucial for the United States Department of Agriculture National Plant Disease Recovery System. This approach enables efficient preparation for invasive pathogen recovery plans.
Area of Science:
- Plant Pathology
- Invasive Species Management
- Risk Assessment
Background:
- Invasive plant pathogens pose significant economic and ecological threats in the United States.
- The United States Department of Agriculture National Plant Disease Recovery System requires a structured approach for managing exotic diseases.
- Historically, recovery plans were developed reactively, lacking a systematic prioritization framework.
Purpose of the Study:
- To develop and refine a science-based, objective process for prioritizing plant diseases for recovery planning.
- To transition from an ad hoc system to a formally organized, group-prioritization effort.
- To create generic recovery plan templates for pathogen groups with similar characteristics.
Main Methods:
- A 10-year collaborative effort involving university, government, and industry scientists.
- Multivariate analysis of key characteristics for 14 existing plant disease recovery plans.
- Validation of the prioritization process by a group of 15 plant pathologists against subject matter expert scores.
Main Results:
- Development of a formalized, group-prioritization process for plant disease recovery.
- Identification of generic recovery plan templates based on pathogen biological characteristics and management approaches.
- Validation confirmed the process's effectiveness and consistency.
Conclusions:
- The established process provides an objective, science-based method for prioritizing exotic plant diseases.
- Generic templates streamline recovery planning for similar pathogens, enhancing preparedness.
- This systematic approach improves the National Plant Disease Recovery System's capacity to address invasive threats.
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