High temperatures and high humidity in summer are the most common occurrences of citrus pests in a year. Insufficient prevention and control of pests during this period will seriously affect the cultivation of young shoots of citrus, affect the development of fruit trees, and even cause a large number of fruit drop, so we must effectively strengthen the summer pests
Prevention work
At present, pests and diseases mainly occur:
Anthracnose, canker, skirt rot, leafminer, spider mite, hibiscus, longhorn and so on. In addition, locusts, scale insects, whiteflies, ulnar bugs, butterfly larvae, rust spiders, scarabs, scabs, and fluidic gums also occur to varying degrees.
It is recommended that you do the following:
1. Strengthen the field management results Tree should be timely pruned in summer. Young trees must be controlled by shoots. When the whole garden has more than 70% of trees and each tree has more than 70% of shoots, they should be put together. Uniform spraying control will not only help to centralize and eliminate various pests and diseases, but also greatly reduce production costs.
2. Chemical prevention and control Strengthen the systematic investigation of citrus pests, grasp the appropriate period of prevention and control of major diseases and pests, classify and control in time, mix and use pesticides in a rational manner, and control the use of pesticides in alternation to reduce pest resistance and reduce pesticides to the environment. Pollution.
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