5 Pharmacy disinfection
Soaking with chemicals or dressing with fungicides can play a role in disinfection and sterilization.
5.1 Formalin: Soaking eggplant seeds with formalin 300 times for 15 minutes can prevent brown spot disease. Soaking onion seeds with formalin 300 times solution for 3 days can prevent onion violet spot; use 40% fore Ma Lin 200 times soaking bean seeds for 30 min can kill the anthracnose bacteria on the surface of the bean seed; soaking with 40% formalin 150 times for 30 min can prevent the wilt and anthracnose of watermelon and melon. Lin 100 times soaked cucumber seeds for 20 minutes, can prevent cucumber anthracnose.
5.2 Duo Yin Ling: Soaking cucumber seeds with 300 to 500 times of 50% carbendazim gel suspension for 10 min can prevent cucumber blight; seed dressing with 0.3% seed weight of 50% carbendazim WP Control cucumber scab; use 0.5% seed weight of 50% carbendazim WP to prevent bean blight: use 50% carbendazim WP 500 times solution to soak seeds for 30-40min. Prevention of wilt disease of watermelon and melon; soaking pepper and eggplant seeds for 2 hours can prevent Verticillium wilt and anthracnose.
5.3 Trisodium Phosphate: Soak tomato seed with 10% trisodium phosphate solution for 20-30 minutes to prevent tomato mosaic virus disease.
5.4 Copper Sulphate: Seeds of pepper can be soaked in fresh water for 5-6 hours, and then soaked in 1% copper sulfate for 5 minutes to prevent and treat bacterial spot disease. It is also effective against anthrax; after soaking in clean water for 10-12 hours, 0.1% sulfuric acid is used again. Copper soak 5min, remove and mix with a small amount of plant ash, can control pepper disease.
5.5 streptomycin: 1kg/kg of agricultural streptomycin watered 1kg soaking 30min, can prevent pepper scab.
5.6 on behalf of Sen Zinc: soaking cucumber seeds with 500 times the dzinc solution soak 1h, can prevent bacterial angular leaf spot cucumber seed.
5.7 Acetaminophen: Seed dressing of cabbage seeds can be prevented by seed dressing with 0.3% of the seed weight of 50% acetaminophen wettable powder.
5.8 Ethylphosphine aluminum: It can be used for seed dressing of downy mildew of Chinese cabbage with seed dressing of 0.3% of 40% phosphine aluminum wettable powder.
5.9 Bai Yin Qing: 75% chlorothalonil wettable powder dressing can prevent cabbage downy mildew.
5.10 Neutralomycin: Mix 400g seeds with 200mL 30mL of 1% mesalcin aqueous solution to prevent soft rot of potatoes, tomatoes, peppers, green onions, onions and carrots.
5.11 Fumei Double: Using 0.4% of the seed weight of 40% triadimefon thiram seed dressing, it can prevent white rust of cabbage, rapeseed, and radish; seed dressing 0.3% thiram can be used to control cucumber, Fusarium wilt of watermelon and melon; seed dressing with 0.2% of seed weight of 50% thiram can be used to control Verticillium wilt of eggplant.
5.12 dressing double: 40% seed dressing double wettable powder dressing, can prevent cucumber, watermelon, melon wilt.
5.13 Ke Yin Dan: 50% Kedan Dan wettable powder dressing, can prevent Verticillium wilt of eggplant; seed weight 0.3% of 50% Kedan Dan wettable powder dressing, can prevent and cure the pepper blight.
5.14 Potassium permanganate: soaked in a 1% solution of potassium permanganate for 15 to 20 minutes. The amount of water is preferably 5 times the amount of the seed, which can effectively prevent tomato canker disease.
6 Soaking
Can play against bacteria, enhance the role of seed resistance. Seeds that have been burnt by boiling water or seeds with thin seed coats that are prone to water absorption must be soaked in warm water. Generally, the water temperature is between 20 and 30°C, and the seeds must be fully absorbed. Seed soaking time depends on factors such as seed coat thickness, cucumber, tomato seeds 5-6h, pepper seeds 12h, zucchini seeds 7-8h, eggplant seeds 24h, cabbage seeds 3-4h. In the soaking process, it is washed once every 8 hours.
7 germination
It can shorten the time of seed emergence in the field and reduce the damage of pests to the seeds. The method is: Wash the soaked seeds with clean water two or three times to wash the mucus on the surface of the seeds. The eggplant seed coat is thick, and can be washed with 0.2% to 0.5% alkaline water until the surface of the seed is refreshed, and a little airing. Wrap the seeds with a damp cloth and put them in the incubator or in the room to germinate, loosen the bag once every 4 to 5 hours to facilitate ventilation. Every morning and evening, wash with clean water once, and 80% of the seeds can be sown. The suitable temperature and time for germination differ depending on the type of vegetable. The required temperature is: tomato, cucumber, zucchini, wax gourd seeds 25-30 °C; eggplant, watermelon seeds need to be treated with temperature, eggplant seeds 20 ~ 30 °C, watermelon seeds 32 ~ 40 °C; celery seeds 15 ~ 20 °C, need to see light Germination. The time required is: 1 to 2 days for cucumber seeds, 2 to 3 days for tomatoes, zucchini, and watermelon seeds, 4 to 5 days for celery and eggplant seeds, and 5 to 6 days for wax gourd seeds.
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