How to treat black bugs on chrysanthemum leaves
Let me tell you about some related green plant content on how to treat black bugs on chrysanthemum leaves. The specific introduction is as follows:
How to treat black bugs on chrysanthemum leaves
Black bugs on chrysanthemum leaves are often caused by chrysanthemum buds, which reproduce rapidly and absorb the sap of the plant, leading to poor growth of the plant. When detected, it is necessary to spray the medicine promptly for prevention and control. You can use dichlorvos, cypermethrin, or selegiline, diluted and sprayed once a week for two to three times to see the effect. In addition, it is also necessary to change the environment in the later stage, to ensure good ventilation and control humidity and temperature, which can help prevent the problem.
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