What is the control method of corn smut:
(1) Remove bacteria source. When a plant first shows a tumor, it should be completely removed and deeply buried or burned.
(2) Implement rotation
(3) Selection of disease-resistant varieties
(4) should be selected seeds
(5) seed coating treatment. In addition to controlling soil-borne diseases such as corn smut, it can also prevent underground pests. The commonly used seed dressing agents are 40% thiram, 70% thiophanate-methyl, and 15% triadimefon. The dosage is 3% of the seed amount.
(6) Sowing before sowing for 3 days.
(7) Appropriate application of phosphorus and potassium fertilizer, but more nitrogen fertilizer.
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