A: In mid-March, the fruit tree was trimmed, the caterpillar eggs were removed, and the winter moth was used to remove the winter bark and eliminate the source of wintering diseases and pests; before the middle and late April germination, the spray wave 5 degree lime sulfur agent in the United States to prevent apple rot disease, pear hibiscus, etc.; can also be used to control apple rot disease with "Yuming-98" bactericide; spray insecticide, kung fu, peach Xiaoling and other pesticides to prevent pears Insects and other pests; In mid-to-late May, withered the wilted flowers damaged by the “big pearâ€; sprayed with appropriate insecticides to control insects such as caterpillars, apple aphids, mountain beetles, apple leaf roller moths, etc.; and continued to prevent apple rot, black Sick disease, plum disease, etc., and strengthen other production management of fruit trees, and enhance tree resistance.
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