Open field tomatoes are prone to rotten fruit during the growing season, which directly affects yield and benefits. Cotton blight causes rotten fruit. The plague is prone to occur after heavy rain. After the onset, the near-ripe green fruit has a brown concentric pattern, shaped like a bull's eye, which turns the whole fruit into a dark brown rot and falls off. In the early stage of the disease, 150 grams of 50% wettable powder can be used in the initial stage of the disease, and 75 kilograms of water can be sprayed. The spray should be meticulous. Soft rot causes rotten fruit. It usually occurs on the green fruit. The disease has a rapid decay of meat, and it is odorous and easy to fall off. After the disease is dried, it forms a white and rigid fruit. In the first sight of the disease, 150 grams of 50% dexamethasone per acre, 100 kilograms of mist by adding water, or 75 kilograms of agricultural chloramphenicol solution per acre of 75 kilograms. Solid rot causes rotten fruit. The disease occurs more on the green fruit. The epidermis of the fruit often has brown or dark brown round lesions, which are slightly sunken. The affected parts are harder to touch, and the disease does not fall off. 150 grams of 50% thiophanate per acre, 75 kilograms of water spray to control. Anthrax causes rotten fruit. It mainly occurs on mature fruits. The surface of the diseased fruit often has black concentric plaques, which are slightly sunken, and the lesions secrete a reddish sticky substance. Finally, the whole diseased fruit rots and falls off. Control methods: mainly to prevent the work, one is the seed disinfection treatment; the second is to carry out the rotation; the third is to plant the sensitized zinc 400-500 times solution every 10 to 12 days after planting for 2 to 3 weeks, or 1: 1:150 times Bordeaux mixture, applied interactively. Navel rot causes rotten fruit. This is a physiological disease, mainly due to the lack of water supply in the early stage and the lack of water in the later stage. Therefore, when watering, it should be poured in small water, and it should be carried out in the morning and evening. In the result period, foliar spray fertilizer was applied with 0.1% calcium superphosphate solution or 0.2% calcium chloride solution, and sprayed every 15 days from the flowering period, and sprayed a total of 2 to 3 times. Disclaimer: Some articles on this website are transferred from the Internet. If legal rights of third parties are involved, please inform this website. phone YT-88 YT-88 Shenzhen Sunshine Technology Co.,Ltd , https://www.yatwin.com