1. Powdery mildew: At the beginning of the disease, 45% chlorothalonil smoke agent was used. Each 667 square meters was divided into 4-5 places with 250-300 grams of light, and the closed shed was smoked for 1 night. The next morning was for ventilation and 7 days for smoking. Second, depending on the condition of continuous smoking 3-4 times; early onset with 20% Triadimefon EC 2000 times, or 40% sulfur suspension 600 times, or 50% sulfur suspension 250 times, or "agricultural resistance 120" 200 times Liquid spray; using 27% high-fat film emulsion 70-140 times the liquid, sprayed on the leaves at the beginning of the disease, sprayed 7-14 days, even spray 3-4 times.
2, gray mold: smoking method with powdery mildew. Can also be sprayed with 6.5 % Wan Lingling dust 1 kg per 667 square meters, sprayed 7 times a day, even sprayed 2 times; spraying 40% Shijiale Suspension 1200 times, or 65% Tamycin WP 1000-1500 times, or 70% thiophanate-methyl wettable powder 800 times. Spray 7 times a day and spray 2-3 times continuously. Medication rotation.
3, downy mildew: smoking method with powdery mildew. Can also be sprayed with 5% chlorothalonil dust 1 kg per 667 square meters, sprayed 7 days, even sprayed 2-3 times; found 70% of the central diseased plants manganese phosphorus zinc WP 500 times, Or 72.2% Precloxone 800 times, or 40% ethoxyphos WP 200 times, or 64% antidote 400 times spray, spray 7-10 days 1, depending on the development of the disease to determine the number of medication. Also available sugar nitrogen solution, that is, brown sugar or white sugar 1% +0.5% urea + 1% vinegar + 0.2% aluminum diphosphoric acid, 7 days sprayed once.
4, aphids: with 10% imidacloprid wettable powder with 5-16 grams per 667 square meters, or with 2.5% deltamethrin EC 1000-1500 times spray, spray should pay attention to the back of the leaf evenly sprayed; protection can also Choose to kill the smoke agent, 400-500 grams per 667 square meters, put 4 heaps, ignite with dark fire, closed for 3 hours.
5. Whitefly: Spray with 10% imidacloprid or 3% acetamiprid WP 1000-1500 times.
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