Tomato planting techniques: why are autumn tomatoes rotten?

Why are autumn tomatoes rotten? Please introduce the causes and control methods of autumn stubble tomato fruit rot is mainly caused by soft rot, brown rot, anthracnose, detailed control methods can be referred to as follows: first, tomato soft rot: the soft rot of rotten tomato is a bacterial disease, mainly infecting stems and fruits. When the fruit occurs, the pericarp is intact and bright, the pulp is rotten and soft, it gives off a foul smell after rupture, it is easy to fall off, and turns into a white fruit after drying. Prevention and treatment methods: before or at the initial stage of the disease, 72% of agricultural streptomycin sulfate soluble powder 4000 times or 70% dimethazone 1000 times, etc., sprayed once every 8-10 days, depending on the condition. Second, tomato brown rot disease: the rotten fruit caused by this disease is a fungal disease, which mainly harms the mature fruit. It often produces light brown spots near the top of the fruit from the shoulder to the top of the fruit. In the later stage, it becomes a concentric ring spot, becomes dark brown, and the surface is smooth without softening. When the humidity is high, the disease will produce gray mildew layer. Prevention and treatment: when you first see the disease, use 25% Ruidu 800,800 times or 75% chlorothalonil 1000 times, spray once every 7-8 days, even 2-3 times. Third, tomato anthracnose: the rotten fruit disease is caused by a half-known fungus, which infects the fruit before coloring and lurks to the disease after coloring, and the primary transparent spots gradually expand and become black, slightly sunken, and the disease spots have concentric wheel markings, which are covered with small black grains, secrete red sticky substances under wet conditions, and finally rot and fall off the fruit. Control methods: in the green fruit period, 80% anthrax Fumei wettable powder 800 times solution or 50% carbendazim wettable powder 500 times solution, spray once every 8-10 days, twice in a row, can inhibit the development of the disease. Click to get more tomato planting techniques click to get more vegetable planting techniques