The fruit tree is used several times a year to kill the fungicide . Since someone asks, see how the experts answer:
Each fruit tree is different, and even a big tree is not the same. Different areas of prevention and control are different. This asks the wife to be general.
The main common pathogens of apple trees are: deciduous diseases (including: spotted leaves, brown spots, round spots, etc.), and the fruits are harmful to anthrax and mildew.
When the flower falls 70%-80%, it is a critical period for controlling diseases such as anthrax and mildew. The main drugs are: phenidazole, mancozeb, propidium zinc, carbendazim, thiophanate-methyl;
The first time to control the fallen leaves was in June, the weather gradually turned hot, and the pathogens began to harm the fruit trees. This period can be prevented by Bordeaux mixture. After about 20 days, use mancozeb, tebuconazole, and carbendazim. Also prevent Red Spider!
The weather in each place, the planting structure is different, and the management plan is different. The specific situation can be discussed together!
In the spring, the clearing garden is usually in the first half of the germination, and the reddish period of the flower is red. The spraying of about 80% of the flowers is started for 3 consecutive times, with an interval of 7-10 days, and then the bagging begins. It is generally not necessary to use emulsifiable concentrate before bagging, and generally powder is not used. They are all high-grade fungicides. The management after bagging is relatively extensive, and the difference is also large depending on the region.
Apple usually takes 10-12 times a year. According to the situation, 11 times of medicine is normal. They are: dry branches (dormant period). In mid-to-late March, the red stage of flowering (mid-April) is three times for bagging ( From the beginning of May to the beginning of June, the mid-May of May, the 20th day after the Xiehua, the late 2-3 days after the Xiehua in the late May, the 2-3 days before the bagging, the bag is usually 5-6 times after the bagging. Once again
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