1. Powdery mildew: this disease mainly damages leaves and sometimes stems and flowers. At the beginning, the leaves are small white spots, and then gradually expand into white powdery spots. In the later stage, the whole leaves will be covered with white powder layer, and in the later stage, when it is serious, it will cause the leaves to turn yellow, or even leaves. It is necessary to select resistant varieties, plant them properly, pay attention to strengthen ventilation and ventilation. At the beginning of the disease, Triadimefon and colloidal sulfur should be applied.
2. Anthrax: there will be many kinds of disease spots on the leaves. When it is wet, there will be reddish brown punctate mucilage on the disease spots, which will cause a large number of leaves in serious period. It is necessary to remove the diseased plants in time, and then gather them to burn them. After the disease, spray zineb and bacteriophage.
There are many kinds of pests that do harm to it, such as inchworm, white woodpecker, Chinese honeysuckle aphid, longicorn and so on. These pests will be distributed on honeysuckle and cause certain harm. Usually, we need to take preventive measures and apply fertilizer reasonably. Enhance the ability of disease resistance. If there is insect pest, it can be treated with dichlorvos, Omethoate and other drugs. The specific drugs can be selected according to the types of pests.
