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How to control stem rot in Bengal gram crop

Title: Effective Measures to Control Stem Rot in Bengal Gram Crop

Introduction:
Bengal gram, also known as chickpea or chana, is an important legume crop highly valued for its nutritional and economic benefits. However, like any other crop, it is susceptible to various diseases, one of which is stem rot. Stem rot, caused by the fungus Sclerotium rolfsii, can significantly reduce crop yields if left uncontrolled. In this article, we will discuss effective measures to control stem rot in Bengal gram crops.

1. Crop rotation:
One of the most effective ways to control stem rot is through crop rotation. Avoid planting Bengal gram in the same field or area where it was cultivated in the previous year. Crop rotation interrupts the disease cycle and helps break the disease’s continuous presence in the soil.

2. Clean planting material:
Always start with clean and disease-free seeds or seedlings. Inspect the seeds thoroughly before planting, discarding any infected or damaged ones. Treating seeds with fungicides before sowing can help prevent or reduce the chances of disease transmission to young plants.

3. Proper field sanitation:
Maintaining clean farming practices is crucial in controlling stem rot. Remove and destroy any infected plant debris or residues from the field after harvest. Fungus spores can survive in these residues and contribute to disease recurrence in subsequent crops.

4. Soil sterilization:
In severe cases, soil sterilization may be considered. Sterilizing the soil before planting can help eliminate or reduce the fungal population present in the soil. Solarization, steaming, or using chemicals (as per recommendations) are some methods that can effectively reduce the pathogen load.

5. Avoid excessive moisture:
Stem rot thrives in wet and humid conditions, so proper moisture management is essential. Avoid over-irrigation and ensure adequate drainage in the field to prevent waterlogging. Excess moisture can create a favorable environment for the fungus to infect plants.

6. Fungicide application:
In case of severe stem rot infestation, fungicide application may be necessary. Consult with local agricultural experts or extension officers to identify suitable fungicides and their recommended application methods. Follow the recommended dosage and safety guidelines while applying fungicides.

7. Resistant varieties:
Use stem rot-resistant or tolerant varieties of Bengal gram whenever possible. Breeding efforts have resulted in the development of new cultivars that exhibit resistance to stem rot. These varieties, when used in conjunction with other preventive measures, can significantly reduce the disease’s impact.

Conclusion:
Controlling stem rot in Bengal gram crops requires a multi-faceted approach, combining preventive measures, cultural practices, and, if necessary, chemical intervention. Implementing crop rotation, practicing field sanitation, using clean planting material, managing moisture levels, and employing fungicides when needed can all contribute to effective prevention and control of stem rot. By following these guidelines, farmers can protect their Bengal gram crops and minimize losses caused by this destructive disease.

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