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Control of blast in paddy, how to do it?

Controlling blast disease in paddy is one of the most important elements of proper crop management. Blast disease is caused by the fungus Magnaporthe grisea which primarily attacks rice crops. The infection can spread quickly and cause significant yield loss if not controlled on time. In this article, we will discuss some of the most effective ways to control blast disease in paddy.

Crop Rotation:

One of the most crucial steps in disease management is crop rotation. Farmers should avoid planting rice in the same field for consecutive seasons. Crop rotation helps to break the disease cycle and reduces the risk of infection. It also improves soil health and prevents the accumulation of harmful pathogens.

Fungicide Sprays:

Fungicide sprays are an effective way to control the blast disease. Farmers can spray the fungicide in the early stages of plant growth and during the heading stage. Fungicide sprays are effective in controlling the disease, but it is important to follow the manufacturer’s instructions and recommended dosage. Overuse of fungicides can lead to resistance problems and harm beneficial insects.

Cultural Methods:

Cultural methods are an essential element of disease management in paddy. Farmers should adopt proper cultural practices like proper drainage, optimal fertilization, and timely application of pesticides. Cutting off infected plants can also help prevent the spread of the disease. Use of resistant varieties can also contribute to controlling the disease.

Clean Farming Practices:

Clean farming practices help reduce the risk of the disease. Farmers should remove infected plant material and residue from fields before planting. They should also avoid using contaminated seeds and equipment. This way, farmers can control the spread of the disease and maintain healthy crops.

Monitoring the Field:

Regular monitoring is essential to catch the infection early and prevent its spread. Farmers should inspect their fields regularly, particularly during the early growth stages when the chances of infection are high. They should look for the symptoms of the disease, including lesions on leaves, and discoloured portions of the stem.

In Conclusion:

Blast disease is a severe threat to paddy crops worldwide. An effective disease management program should focus on crop rotation, cultural practices, fungicide sprays, and clean farming practices. Adopting these measures can help farmers prevent the disease from spreading and maintain healthy crops. With proper care and attention, farmers can control the disease and experience bountiful yields.

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