How to prevent bean rust?

How to prevent bean rust? Please introduce that bean rust is mainly harmful to leaves and, in severe cases, to petioles and pods. It can make the leaves of the plant withered and yellow, the plant is short, the pods are few and small, and finally wither and die. Prevention and control measures: 1. Clean the countryside. After harvest, the disease and debris in the field should be removed and burned centrally so as to reduce the pathogen. 2. Reasonable rotation, select varieties with good disease resistance, apply new high-fat membrane to seed dressing before sowing to ward off underground diseases and insects, isolate virus infection and improve seed germination rate. 3. Field management, timely watering, topdressing and weeding according to demand, and spraying vegetable fruit Zhuangtiling before flowering, young fruit stage and expansion stage to increase nutrient transport, improve plant disease resistance and promote fruit development. 4. Chemical control, timely spraying should be applied to control bean rust, and targeted chemicals should be sprayed with new high-fat film to form protective film at the initial stage of the disease, so as to greatly improve the utilization rate of effective components. Click to get more bean planting techniques click to get more vegetable planting techniques