Corn smut is the most common disease in corn planting areas and it is also a frequent disease. It is a systemic disease caused by fungi. After the ear of the tassel, the corn has a large flower at the base of the flower, or the flower is deformed, with black powder inside. Some earlets become shorter and thicker, and the first ones are the outer leaves. The whole ear is a pack of black powder and scattered filaments. It should be based on the selection of disease-resistant varieties, combined with agricultural measures and pharmaceutical treatment for comprehensive prevention and control.
Improve seed quality and breed resistant varieties. It is the most direct and effective method to solve the problem of smut caused by maize.
Implement rotation. More than three years of rotation for serious diseases can be applied to crops such as soybeans, vegetables, potatoes, and oil crops.
Apply sterile fertilizer. Prevent the use of sterilized straw as feed and apply fermented organic fertilizer.
Timely removal of diseased plants, eliminate the source of sterilization. Whether it is the seedling stage, the middle stage, or the heading of corn, the diseased plants are found and removed in time. Strive to remove the diseased plant before the bacteria source has spread, bring it deep outside the field or burn it, and treat the diseased tissue after harvesting in a timely manner to reduce the bacteria source.
Intensive cultivation, timely sowing. Create conditions conducive to the emergence of seedlings.
Chemical control. Plant seed dressing before planting. 12.5% ​​of diniconazole wettable powder was used for seed dressing at a seed amount of 0.2%. In addition, the use of 15% triadimefon wettable powder or 50% thiophanate-methyl powder seed dressing 0.3% to 0.5% seed dressing, the effect is also ideal.
Improve seed quality and breed resistant varieties. It is the most direct and effective method to solve the problem of smut caused by maize.
Implement rotation. More than three years of rotation for serious diseases can be applied to crops such as soybeans, vegetables, potatoes, and oil crops.
Apply sterile fertilizer. Prevent the use of sterilized straw as feed and apply fermented organic fertilizer.
Timely removal of diseased plants, eliminate the source of sterilization. Whether it is the seedling stage, the middle stage, or the heading of corn, the diseased plants are found and removed in time. Strive to remove the diseased plant before the bacteria source has spread, bring it deep outside the field or burn it, and treat the diseased tissue after harvesting in a timely manner to reduce the bacteria source.
Intensive cultivation, timely sowing. Create conditions conducive to the emergence of seedlings.
Chemical control. Plant seed dressing before planting. 12.5% ​​of diniconazole wettable powder was used for seed dressing at a seed amount of 0.2%. In addition, the use of 15% triadimefon wettable powder or 50% thiophanate-methyl powder seed dressing 0.3% to 0.5% seed dressing, the effect is also ideal.
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