Aphanomyces euteiches and its control in pulse crops

Aphanomyces euteiches is a water mold (oomycete) that causes Aphanomyces root rot, also known as common root rot, in various pulse crops such as peas, lentils, chickpeas, and other legumes. It is a significant pathogen that can lead to substantial yield losses and reduced crop quality. Here are some methods for controlling Aphanomyces euteiches in pulse crops:

1. Crop Rotation: Rotate pulse crops with non-host crops to break the disease cycle. Avoid planting susceptible crops in the same field for consecutive growing seasons.
2. Resistant Varieties: Utilize resistant or tolerant varieties of pulse crops that have been developed to resist Aphanomyces euteiches. Planting resistant varieties is an effective and sustainable approach to managing the disease.
3. Seed Treatment: Treat seeds with fungicides or biological control agents before planting to reduce the risk of Aphanomyces infection. Seed treatments can help protect seedlings during the critical early stages of growth.
4. Proper Irrigation Management: Manage irrigation to prevent waterlogged conditions, which can favor the development and spread of Aphanomyces euteiches. Adequate drainage and proper moisture control are essential for disease prevention.
5. Soil Management: Improve soil structure and drainage to reduce the likelihood of disease development. Avoid over-irrigation and excessive soil moisture, as these conditions are conducive to Aphanomyces root rot.
6. Integrated Disease Management (IDM): Implementan integrated approach that combines various control measures such as resistant varieties, crop rotation, proper irrigation, and seed treatments to effectively manage Aphanomyces euteiches and reduce disease severity.
7. Biocontrol Agents: Explore the use of beneficial microorganisms, such as specific strains of bacteria or fungi, that can compete with or antagonize Aphanomyces euteiches and help suppress its growth.
8. Sanitation: Practice good field hygiene by removing and destroying infected plant debris to reduce the pathogen’s survival and spread. Clean and disinfect equipment to prevent the introduction and dissemination of the pathogen.
9. Chemical Control: Fungicides may be used as a part of an integrated approach, particularly as seed treatments. Consult with agricultural extension services or professionals for appropriate fungicide recommendations and usage guidelines.
10. Research and Monitoring: Stay informed about the latest research and advancements in managing Aphanomyces euteiches. Regularly monitor your fields for signs of disease to take timely action if needed.

It’s important to tailor these control measures based on specific crop types, local conditions, and disease prevalence in the region. Integrated disease management and a holistic approach are often the most effective strategies for managing Aphanomyces root rot in pulse crops.

Talk to your OMEX representative today to learn more about our range of products that contribute to promoting crop health and reducing the incidence of Aphanomyces in your pulse crops.