Nine kinds of liquid medicine processing method
There are nine methods for the treatment of vegetable seeds: First, formalin (formaldehyde) 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, eggplant Verticillium wilt, cotton rot and bean anthracnose; two is soaked in trisodium phosphate. Soak the seeds with fresh water for 4 hours, then soak them in 10% trisodium phosphate solution for 20-30 minutes, then remove them and wash them with water. Prevention of tomato and pepper virus disease; third is carbendazim soaking. Use 50% carbendazim 500 times liquid to soak cabbage, tomato and melon seeds and remove them after 1 to 2 hours. Wash with water and germination. Control white cabbage leukoplakia, black spot, tomato early (late) blight, melon powdery mildew; Fourth, soaking in sodium hydroxide. Dip melons and solanaceous vegetable seeds with 2% sodium hydroxide solution for 10 to 30 minutes, then rinse with clean water and sow seeds. Prevention of various fungal diseases and viral diseases; Fifth, soaking in sodium chloride (salt). Soaking with 4% sodium chloride 10-30 times solution for 30 minutes, wash after clean water sowing. The control of melon bacterial diseases; six is ​​soimonium ammonium seed soaking. Use 50% dexamethasone 200-300 times to soak seeds of cabbage, kidney bean and melon seeds for 20-30 minutes, remove and wash after washing. Control melons downy mildew, bean anthrax; seven is soaked with potassium permanganate solution. Seed soaking with potassium permanganate solution for 10-30 minutes to reduce and control eggplant vegetables virus disease and early blight. Eight is thiophanate-methyl soaking. With 0.1% thiophanate-methyl soaked for 1 hour, remove and then soaked in fresh water for 2 to 3 hours, fully dried after sowing, can prevent blight, downy mildew and other fungal diseases; Nine is the streptomycin agricultural soaking. Use 10 million units of agricultural streptomycin 300 ~ 500 times liquid vegetable seeds for 2 to 3 hours, remove and wash germination sowing. (Tianjin Bureau of Agriculture Bureau of Grain Economics)