1. Seedling Diseases (Sickness, Blight) - Crops affected include leafy vegetables, melons, and solanaceous plants. Recommended pesticides include thiabendazole copper, *Lanku* bacteria, dysentery, methyl chlorpyrifos, bacteriophages, polyoxymycin, and metalaxyl manganese zinc. These products help prevent early-stage infections and promote healthy plant growth.
2. Downy Mildew - Common in melons, onions, and leafy vegetables. Effective treatments include metalaxyl manganese zinc, chlorothalonil, cyanosin, anti-virus cockroach, kelu, fluoromanganese zinc, and epidemic cream. It is important to apply these pesticides at the first sign of infection to prevent spread.
3. Powdery Mildew - Affects melons, onions, and leafy vegetables. Pesticides such as metalaxyl manganese zinc, chlorothalonil, cyanosin, anti-virus cockroach, kelu, fluoromanganese zinc, and epidemic cream are effective. Regular monitoring and timely application can significantly reduce disease severity.
4. Early Blight - Found on peppers, cucumbers, onions, and alfalfa. Treatments include mancozeb, can be killed, chlorothalonil, metalaxyl manganese sulfate, anti-virus cockroach, and different bacteria. This disease usually appears during wet and warm conditions, so early intervention is crucial.
5. Late Blight - Affects tomatoes and potatoes. Pesticides like metalaxyl manganese zinc, fluoromanganese zinc, cyanosin, gold leidumir, kelu, bluebao, and can be killed are recommended. This disease spreads rapidly under humid conditions, so regular spraying is essential.
6. Anthracnose - Affects sweet or hot peppers, cabbage, cucumbers, and kidney beans. Use charcoal, Shi Baogong, Nongkang 120, Dasheng, Luheng No.1, Duofu, and polyoxymycin. Proper irrigation and crop rotation can also help reduce the risk of this fungal disease.
9. Root Rot - Affects melons and solanaceous crops. Pesticides such as thiabendazole copper, *Lanku* bacteria, root rot, carbendazim, double-effect spirit, Zhuangsheng, Baizhutong, and polyoxymycin are effective. Ensuring good drainage and avoiding overwatering can prevent this issue.
10. Fusarium Wilt - Affects tomatoes, kidney beans, and melons. Treatments include thiabendazole copper, *Lanku* bacteria, thiophanate-methyl, root disease net, green heng 2, gram bacteria, and polyoxymycin. Crop rotation and resistant varieties are also key to long-term control.
11. Bacterial Leaf Spot (Cucumber Horn Spot, Sweet Pepper Scab) - Affects cucumbers, kidney beans, and peppers. Pesticides such as thiabendazole copper, *Lanku* bacteria, ketocon, sulfuric acid, streptomycin, neomycin, and Bordeaux mixture are used. Application should be done before symptoms appear for best results.
12. Bacterial Dry Rot, Soft Rot, Black Rot, and Black Spot - Affects Solanaceae and cruciferous crops. Pesticides include thiabendazole copper, *Lanku* bacteria, ketocon, sulfuric acid, streptomycin, neomycin, and Bordeaux mixture. These diseases often thrive in moist environments, so proper sanitation and crop management are vital.
13. Viral Diseases (Flower Mosaic) - Affects all types of vegetables. Pesticides such as virus A, bacteria poison clear, bacteria poison must, sputum star disease, poisonous, and poisoning are used. Controlling insect vectors and using resistant varieties are also important strategies.
This guide provides a comprehensive overview of common plant diseases and their corresponding treatments. Always follow label instructions and consider environmental impact when applying pesticides. Regular monitoring and integrated pest management practices are strongly recommended for sustainable agriculture.
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