What should I do if there are black bugs on the chrysanthemum?
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What should I do if there are black bugs on the chrysanthemum?
If there are black bugs on the chrysanthemum, they need to be eliminated promptly. This pest is called the chrysanthemum aphid, which reproduces quickly and吸s the sap from the plant, leading to poor growth. During the growing period, it is important to ensure proper lighting and ventilation, and the humidity should not be too high, which can help prevent infestations. If infested, use pesticides such as dichlorvos, sevin, or cypermethrin to spray, doing so at intervals, with 2-3 consecutive applications.
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