1. Formalin (methyl ether) soaking. Use 100-300 times more formalin to soak seeds for 15-30 minutes, remove and wash with water to germinate. Suitable for cucumber, eggplant, watermelon, beans, etc., can prevent melon wilt disease, anthrax, scab, eggplant Verticillium wilt, cotton rot and bean anthrax. 2, trisodium phosphate soaking. Soak the seeds with fresh water for 4 hours, then dip them in 10% trisodium phosphate solution for 20-30 minutes, and wash them with clean water. Prevention of tomato and pepper virus disease. 3, carbendazim soaking. Use 50% more foreign spores to soak cabbage, tomato, and melon seeds for 1-2 hours. Wash and cleanse germination and sowing. Prevention of cabbage white spot, black spot, early (late) tomato disease, melon anthracnose and powdery mildew. 4, soaking in sodium hydroxide. Use 2% sodium hydroxide solution to soak melon seeds and solanaceous vegetable seeds for 10-30 minutes, wash with clean water, and sow. Prevention of various fungal diseases and viral diseases. 5, soaking in sodium chloride (salt). Use 10-30 times solution of 4% sodium chloride to soak seeds for 30 minutes, wash with clean water and sow. Control melon bacterial diseases. 6, Daisin ammonium soaking. Use 50% dexamethasone 200-300 times liquid immersion cabbage, beans, melons 20-30 minutes, remove and wash after washing. Control melon downy mildew, anthracnose, cabbage leukoplakia, black spot, bean anthracnose. 7, potassium permanganate soaking seeds for 10-30 minutes, reduce and control the eggplant vegetables virus disease, early blight. 8, thiophanates soaking. With 0.1% thiophanate-methyl soaked for 1 hour, remove and then soaked in fresh water for 2-3 hours, fully dried after sowing, can prevent fungal diseases, such as vertical settlement, downy mildew. 9, agricultural streptomycin soaked. Use 10 million units of agricultural streptomycin 300-500 times to dip vegetable seeds for 2-3 hours, remove and wash to germinate. Prevention of bacterial diseases and anthrax in vegetables, and early (late) disease.
Top Cementing Plug,Bottom Cementing Plug,Non-Rotating Casing Plug
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