In order to prevent the main fruit tree from the bud to the red period, it is mainly used as a protective agent and supplemented with therapeutic agents. The main purpose is to protect the new leaves with protective mancozeb and propinol zinc to prevent the invasion of germs. At the same time, the use of high-quality azole pesticides kills the bacteria that have been immersed in the leaves. After the treatment of the main apple after the first flower after Xiehua must use high-quality azole pesticides to eradicate the bacteria that have been infested with the leaves. Medications are mainly carbazole and oxazol, and care should be taken not to increase the concentration of the drug and prevent phytotoxicity. At the same time with a protective agent to prevent bacteria from dipping into new leaves. Pay attention to listen to and watch the weather forecast and strive to use drugs before the rain and pre-medication. To seize the favorable opportunity of the initial dip, it is cost-effective to prevent and control the disease. Real-time medication, careful medication, comprehensive medication.
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