Several disinfection methods of onion and garlic seeds
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1. Use 30% formalin diluted 300 times to immerse the onion seeds for 3 hours. After dipping, wash them with clean water. Dry them and sow them. After breeding with bulbs, soak bulbs in warm water of 45°C for 90 minutes. After cold water is cooled and planted after drying, the purple spot pathogens carried by the onion seeds can be killed. 2. The onion seeds are mixed with 50% Ketan Dan WP or 50% Hexachlorobenzene powder or 50% thiram wettable powder (optional one of the above) according to 1:4 ratio It can prevent smut pathogens carried on onion seeds. 3. With bulbs, the onion bulbs were soaked in warm water at 43.5°C for 2 hours. After immersing, they were cooled with cold water, dried and then planted to prevent stem nematode pathogens. 4. The onion seeds were soaked in 300-fold 40% formalin for 3 hours. After immersion, they were washed with water and allowed to dry. The bulbs were soaked in bulbs and soaked in warm water at 45°C for 1.5 hours. Cooling in cold water, drying and planting can effectively kill the anthracnose and black spot pathogens carried by onion seeds. 5. The onion seeds were soaked in 50% warm water for 25 minutes, soaked in cold water, cooled and allowed to soak after drying; bulbs were sown on bulbs and soaked in warm water of 45°C for 90 minutes. After soaking, they were placed in cold water to cool and dried. After the planting, it can eliminate the downy mildew bacteria onions. 6. Before sowing, garlic rot, dry rot, and leaf dryness can be killed by uniformly dressing seeds with 1% of 50% thiophantine powder of garlic powder, or 50% of carbendazim WP containing 1% of garlic. Diseases and other germs.