What are the main diseases and pests of citrus?

Citrus is the most common fruit variety in the southern region and the most important fruit for people in winter. However, during the growth process of citrus, some diseases and insect pests often occur. If they are not discovered and treated in time, it will seriously affect the quality of citrus and its yield. So what are the main diseases and insect pests of citrus? I believe that friends who have citrus trees at home will be concerned about this issue. The following editor will write down the main types of diseases and insect pests of citrus. Friends who want to know more can study it carefully.

What are the main diseases and pests of citrus?

1. Citrus Anthracnose

Anthracnose is one of the main diseases and pests of citrus. It takes a long time to attack and may occur between March and September every year. After the disease occurs, the leaves, treetops, fruit materials and flowers of citrus will be damaged, and the situation of dead fruit and fruit drop is serious. After the disease occurs, it can be treated with drugs such as Cuituo or Cuisheng. The ideal time for treatment is during the spring shoot germination period and the young fruit period.

2. Scab

Scab is also one of the common diseases of citrus. After the disease occurs, young fruits are most affected. From March to June, it is the peak period of the disease, especially when it is rainy and humid, the disease is serious. After the disease occurs, the main focus should be on protecting the shoots and young fruits. You can spray the fruit trees with a 600-fold solution of Cuisheng.

3. Citrus sooty mold

Sooty mold is also one of the common diseases of citrus. This disease mostly occurs between May and September, and is most harmful to leaves and fruits. After it appears, a coal layer will form on the surface of leaves and fruits, which will hinder photosynthesis, and the fruit yield and quality will be greatly reduced. In addition, pests such as scale insects, whiteflies, and black spiny lice will also appear one after another. After these diseases and pests occur, the best way is to spray a solution of methyl thiophanate.