(1) Seed treatment: Soaking seeds in a warm soup at 50°C for 10 minutes before sowing, and immediately transfer to cold water to cool. After drying and germination, the sclerotia mixed in the seeds can be killed. (2) Clean gardening: timely playing old leaves and removing the remaining flowers on the fruit, found that diseased plants timely remove or cut diseased fruit, brought out of the shed to burn or buried deep. After the harvest, the diseased body was completely removed, and the soil was deeply turned to prevent sclerotia from sprouting.
(3) Passage rotation: The annual rotation is made with aquatic vegetables, grasses and onions and garlic.
(4) Strengthen management: Control planting and control the temperature and humidity in the protective greenhouses in the tube sheds and multi-span greenhouses, and timely release air and humidity, especially to prevent the humidity in the night shed from rising rapidly. This is a key measure to prevent and cure this disease. Pay attention to reasonable control of the amount of watering and fertilizing, watering time in the morning, and open the shed in time to reduce the humidity within the shed. In particular, in the spring before the invasion of the cold, it is necessary to timely cover the small plastic film ring, and cover the grass around the studio to prevent the plants from freezing.
(5) Control of seedbeds at regular and timely intervals: The seedlings must be transplanted with the drug before transplanting, and the transplanted plants must be transplanted.
(6) Soil disinfection: Use 50% carbendazim powder 8 to 10 grams per square meter for the seedbed, spread it with 10~15 kg of dry fine soil, and disinfect the source.
(7) Chemical control: spraying at the beginning of onset, spraying once every 7 to 10 days, continuous spraying 3 to 4 times, severe illness as the disease progresses, and if necessary, increase the number of spraying. The agent can be used with 43% Haldex suspension 2000 to 3000 times (amount of 40-50 grams per mu); 50% quick-inking wettable powder 1000 times (100 grams per mu); 50% Nongliling wettable powder 1000 Times fluid (100 grams per mu); 50% acetaminophen WP 1000 times (100 grams per mu); 50% thiophanate wettable powder 1000 times (100 grams per mu); 50% carbendazim Wet powder 800 times liquid (mu of 125 grams); 70% thiophanate-methyl 1000 times (100 grams per mu) spray control. In the event of continuous rain in the spring, the cucumber shed in the protective cultivation of the middle tube shed can use 100 grams of a smoked spirit in a standard shed, and then open the shed for 20 minutes and then steam and suffocate the shed.
ã€Special recommendation】 When found in the field of diseased plants, diseased branches (the diseased branches are best cut off the disease), can be adjusted with high concentrations of 50% Skoda WP or 50% carbendazim WP 100 times the paste coating solution is applied to the diseased part with a brush, etc. (The diseased branches of the diseased part are cut off on the remaining sticks), and the coated area is 1 to 2 times larger than the diseased part, and the disease is severe for 5 to 7 days. Reapplying 1 time can save 80% of diseased plants and diseased branches. Although this method is labor-intensive, the provincial pesticide has a good control effect.
(3) Passage rotation: The annual rotation is made with aquatic vegetables, grasses and onions and garlic.
(4) Strengthen management: Control planting and control the temperature and humidity in the protective greenhouses in the tube sheds and multi-span greenhouses, and timely release air and humidity, especially to prevent the humidity in the night shed from rising rapidly. This is a key measure to prevent and cure this disease. Pay attention to reasonable control of the amount of watering and fertilizing, watering time in the morning, and open the shed in time to reduce the humidity within the shed. In particular, in the spring before the invasion of the cold, it is necessary to timely cover the small plastic film ring, and cover the grass around the studio to prevent the plants from freezing.
(5) Control of seedbeds at regular and timely intervals: The seedlings must be transplanted with the drug before transplanting, and the transplanted plants must be transplanted.
(6) Soil disinfection: Use 50% carbendazim powder 8 to 10 grams per square meter for the seedbed, spread it with 10~15 kg of dry fine soil, and disinfect the source.
(7) Chemical control: spraying at the beginning of onset, spraying once every 7 to 10 days, continuous spraying 3 to 4 times, severe illness as the disease progresses, and if necessary, increase the number of spraying. The agent can be used with 43% Haldex suspension 2000 to 3000 times (amount of 40-50 grams per mu); 50% quick-inking wettable powder 1000 times (100 grams per mu); 50% Nongliling wettable powder 1000 Times fluid (100 grams per mu); 50% acetaminophen WP 1000 times (100 grams per mu); 50% thiophanate wettable powder 1000 times (100 grams per mu); 50% carbendazim Wet powder 800 times liquid (mu of 125 grams); 70% thiophanate-methyl 1000 times (100 grams per mu) spray control. In the event of continuous rain in the spring, the cucumber shed in the protective cultivation of the middle tube shed can use 100 grams of a smoked spirit in a standard shed, and then open the shed for 20 minutes and then steam and suffocate the shed.
ã€Special recommendation】 When found in the field of diseased plants, diseased branches (the diseased branches are best cut off the disease), can be adjusted with high concentrations of 50% Skoda WP or 50% carbendazim WP 100 times the paste coating solution is applied to the diseased part with a brush, etc. (The diseased branches of the diseased part are cut off on the remaining sticks), and the coated area is 1 to 2 times larger than the diseased part, and the disease is severe for 5 to 7 days. Reapplying 1 time can save 80% of diseased plants and diseased branches. Although this method is labor-intensive, the provincial pesticide has a good control effect.
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