Causes and control methods of sunburn disease of chili peppers planted by farmers

Pepper sunburn is a physiological disease, which is a common fruit disease in midsummer. Pepper fruit is exposed to strong direct sunlight, which causes the temperature of the pericarp to rise, and burns due to the local temperature of the fruit surface caused by evaporation of water. The disease is often infected by anthracnose or other bacteria and mildew, and some will rot.

Independent of picture and text

After the occurrence of this disease, not only the rate of commodity fruit is reduced, but also not conducive to transportation, and it is easy to cause varying degrees of losses to farmers. So how to prevent sunburn? First, reasonable close planting can increase the leaf surface of pepper in the hot summer, and promote the leaves to shade each other to prevent sunburn.

Independent of picture and text

Second, sunshade net is used to cover summer cultivation to reduce soil temperature and air temperature, which can reduce the incidence of disease. Third, prevention and control of diseases and insect pests, timely prevention of early defoliation caused by anthrax and other diseases and insect pests, fourth, strengthen the management of fertilizer and water in the field, timely and evenly water during the flowering and fruiting period, keep the ground moist, increase the application of phosphorus and potassium fertilizer, and promote fruit development.

Independent of picture and text