How to prevent rust by planting beans?

How to control rust by planting beans? Please introduce that kidney beans are prone to rust in the middle and later stages of growth, which can harm leaves, vines and pods. When harming the leaves, there are yellow-green protruding spots on the diseased leaves, which turn yellow rapidly, pink substances are scattered after the epidermis is ruptured, black sores may appear in the later stage, and some leaves have white protuberances on both sides, resulting in serious leaf death. Stem vine infection has yellow-green spots, red powder after epidermis rupture, and black sore spots may appear in the later stage. When the pod is infected, there are yellow-green protuberant spots on the epidermis, and brown powdery matter is scattered after rupture. Most of the pathogenic fungi overwintered with the disease remains in the field, invaded the plant through the flow of water on the leaves, and could be spread by wind, rain or irrigation. The disease is easy to occur when the air temperature is about 20 ℃ and the air relative humidity is more than 85%. The prevention and control of bean rust should take comprehensive control measures, adhere to the principle of "prevention first, comprehensive control", and achieve the organic combination of agricultural control, biological control and physical and mechanical control. The control methods are as follows: 1. Plant disease-resistant varieties, such as Xinxiu No. 1, Green Dragon, Jiuzhibai, Chunfeng No. 4 and so on. 2. Spring sowing should be early, and seedling transplanting can be used to avoid disease if necessary. 3. Clean the countryside, strengthen the management, adopt the technology of formula fertilization and close planting properly. 4. At the initial stage of the disease, spray 50% triadimefon EC 800x, 50% sulfur suspension 3000 times, 25% Enli deemulsified 3000 times, 25% enemy demulsifiable emulsions 4000 times plus 15% triadimefon wettable powder 2000 times, 15% triadimefon wettable powder 1000-1500 times, 70% mancozeb wettable powder 1000 times plus 15% triadimefon wettable powder 2000 times, 30% solid stone sulfur mixture 150 times, 12.5% Supra wettable powder 4000-5000 times liquid Once every 15 days or so, prevent and cure once or twice. Click to get more bean planting techniques click to get more vegetable planting techniques