1. Powdery mildew: it is a kind of fungal disease, mainly infecting small leaves, tender stems and flower buds. Some white powdery spots will appear in the infected parts. In the later stage, when it is serious, the leaves will become brittle, shrink and curl, and eventually dry out. Usually pay attention to the problem of good pruning and keep good ventilation between plants. If the disease occurs, you can use 1000 times of free rice to spray the whole plant.
2. Branch blight: this disease is also called canker disease. It is mainly caused by the pathogen entering into the plant through the wound, causing necrosis of part or all of the stem. This disease is mainly caused by improper pruning. Therefore, during daily pruning, the wound should be close to the node position, which can effectively prevent the pathogen from entering the wound. To prevent and cure the disease, the diseased branches should be cut and burned, and the wounds should be disinfected.
There are not many pests that rose infects every day, but it may also infect beetles, beetles, borers, aphids, etc. these pests need to be prevented earlier before, and spray a little pesticide with low residue before and after the flowers open. In case of insect damage, it is necessary to deal with it in time. First, select the method of manual removal.
