Tips for pesticides to control pests and diseases of Yali trees:
1. Disease.
(1) Black spot disease. Black spot disease is the main disease of pears, which is sudden and strong. It is necessary to increase the intensity of prevention and control, so as to prevent the spraying before the rain, the rain will hit, and the heavy rain will hit. The drug can be used with 40% DuPont Fuxing 10000 times solution, 75% Montson 800 times solution, and 80% tebuconazole 5000 times solution.
(2) Ring disease. Ring disease is one of the main diseases of pears. Once it occurs, it will seriously affect the quality and storage of fruit. Spraying 68.75% DuPont Yibao 1200 ~ 1500 times liquid, 80% tebuconazole 5000 times liquid.
2. Pests.
(1) Tenebrio molitor. It can be sprayed with 10% imidacloprid or 5% acetamiprid 2000 times solution + 2.5% kungfu or 2.5% bifenthrin 1500-2000 times.
(2) Kang's whitefly. It can be controlled by 40% sharp axe 1500 times liquid + 2.5% kungfu 1000-1500 times liquid.
(3) pear hibiscus. It can be controlled by the 5000-times liquid of Actan, or the 5% avermectin 3000 times liquid + 2.5% bifenthrin 1500-2000 times produced by Bayer, Germany.
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