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Updated: Jan 29, 2026
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Determination of the Absorption, Translocation, and Distribution of Imidacloprid in Wheat
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Control of Common Bunt in Organic Wheat
J B Matanguihan1, K M Murphy1, S S Jones2
1Washington State University, Pullman.
Plant Disease
|February 13, 2019
Summary
Organic wheat faces a resurgence of common bunt disease. Management strategies focus on host resistance and approved organic seed treatments, avoiding synthetic chemicals.
Area of Science:
- Plant Pathology
- Agronomy
- Organic Agriculture
Background:
- Common bunt, caused by *Tilletia* species, is a significant threat to organic wheat production.
- Conventional agriculture effectively manages common bunt using synthetic chemical seed treatments, rendering it a minor issue.
- The prohibition of synthetic inputs in organic farming necessitates alternative disease management strategies.
Purpose of the Study:
- To review current management strategies for common bunt in organic wheat systems.
- To explore host resistance and organic seed treatment options.
- To identify research gaps in common bunt management for organic wheat.
Main Methods:
- Review of literature on wheat germplasm screening for bunt resistance.
- Analysis of pathogen race identification, virulence, and host resistance mechanisms.
- Evaluation of alternative seed treatments, including physical, microbial, and plant-based options.
Main Results:
- Significant progress has been made in identifying and mapping wheat bunt resistance genes.
- Understanding the gene-for-gene relationship aids in managing pathogen virulence.
- Various organic-compatible seed treatments show potential for disease control.
Conclusions:
- Host resistance and organic seed treatments are key to managing common bunt in organic wheat.
- Further research is needed to address existing gaps in effective and sustainable management practices.
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