How does summer chilli prevent navel rot?

How to control navel rot of hot pepper in summer? Please introduce the method: the symptoms of pepper navel rot are very similar to those of pepper soft rot. Pepper navel rot is mainly harmful to fruits. Dark green or dark gray water-stained spots appear at first, and then expand into spots up to 2-3 cm in diameter. With the development of the fruit, the diseased part is grayish brown or white flat and sunken, and the diseased part can be expanded to half the fruit. Diseased fruits often turn red ahead of time and generally do not rot. Sometimes the humidity is so high that there is no stench even if it rots (see photo). The main symptoms of pepper soft rot, the spot is light brown, flesh rot has an obvious bad smell, sometimes the fruit is deformed, as if filled with mud in the bag, commonly known as "a bag of water". According to the investigation, pepper is prone to navel rot in summer, which is sometimes related to varieties. Generally, the varieties with thin pericarp, flat top and large flower marks are prone to navel rot. In addition, lack of calcium in soil, or partial application of nitrogen fertilizer and potassium fertilizer, especially excessive nitrogen and potassium fertilizer, affect the absorption of calcium by roots and easily induce navel rot. Control methods: disease-resistant varieties were selected for ①, and varieties planted in greenhouse in summer should be selected with thicker pericarp, smooth fruit surface, less flower marks and pointed fruit top. ② should choose the soil which is rich in organic matter, deep soil layer and strong ability of water and fertilizer conservation to cultivate pepper. After entering the fruiting stage, ③ should be watered evenly to prevent sudden dryness and humidity, and the soil water content should not change too much. In case of continuous high temperature and strong light, ④ can take shading measures at noon. During the peak period of ⑤ results, 1% superphosphate solution or 0.1% Mel 0.2% calcium nitrate solution was sprayed on the leaves, once every 5-10 days, 2-3 times in succession. Click to get more chili planting techniques click to get more vegetable planting techniques