First, downy mildew starts from the beginning of the disease, using 90% triethylaluminum phosphate wettable powder 400 to 500 times, 75% chlorothalonil wettable powder 600 times, 64% antivirus WP 500 times Liquid to control, spray once every 7 to 10 days, and even spray 2 to 3 times. Second, from the early onset of the disease, use 15% of triadimefon WP 2000 ~ 2500 times, 20% of rust rust EC 700 ~ 800 times to control, spray once every 10 days, even spray 2 ~ 3 times. Third, purple spot disease from the early onset, the use of 75% of chlorothalonil WP 500 to 600 times, 64% anti-virus WP WP 500 times, every 7 to 10 days to spray 1, even Spray 3 to 4 times. Fourth, black spot disease from the early onset, the use of 75% chlorothalonil WP 600 times, 50% acetaminophen wettable powder 1500 times for prevention and treatment, every 7 to 10 days spray 1, even Spray 3 to 4 times. Fifth, from the early onset of gray mold, rotating spraying 50% of fast-king, 50% of acetaminophen, 25% of metalaxyl WP 1000 times liquid for prevention and treatment, the effect is good. VI. Sclerotinia Sclerotiorum starts from the beginning of the disease, and 50% of thiophanate-methyl WP can be used 400 to 500 times, or 50% of Prodigin WP can be used 1000 to 1500 times every 7 months. Spray 10 times a day for 10 days and spray 3 to 4 times. Seven, soft rot disease from the early onset of the disease, use 70% of the WP can be killed 500 times, 72% of the streptomycin WP wettable powder 4000 times, neophytin 4000 to 5000 times the liquid for prevention and treatment, Spray once every 7-10 days, spray 1 or 2 times. Eight, yellow dwarf disease from the early onset, the use of 1.5% of the disease emulsifiable concentrate 1000 times fluid, 20% of the virus A WP 500 times, 83 times the resistance agent 100 times to control, spray every 10 days 1 Times, spray 1 to 2 times.
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