What is bean blight? How to control bean blight?

What is bean blight? How to control bean blight? Also ask experienced netizens to help introduce beans, also known as cowpeas, which are rich in summer vegetables. Beans are rich in vitamin B, C and plant protein, which can calm the mind, regulate the digestive system and eliminate the fullness of the chest and diaphragm. However, planting beans is often harmed by blight, so the farming network has sorted out the harm and control methods of bean blight, which are listed in detail below for netizens' reference. The harm of bean blight: the disease mainly harms the stems, leaves and pods of beans, which usually occurs near the stem nodes or nodes, especially near the ground. The disease part was water-stained at the beginning, then the wet rot constricted around the stem, and the leaf vines above the disease part withered and died. When the humidity is high, the bean skin decays and the surface produces white mold. Bean leaves infected with the initial dark green water stains, and then enlarged into round light brown spots, the surface of white mold. The disease department of the pod is also mildew and rotten. It resulted in the decrease of bean yield and poor quality. Prevention and control of bean blight: timely spray protection in the early stage of bean blight. Can use 58% Redomir manganese zinc soluble powder 500 to 800 times liquid, or 64% poison alum wettable powder 500 times liquid, or use 72.2% Purek water agent 800 times liquid, can be sprayed once every 7 to 10 days, 2 to 3 times in a row, the effect is better. The method of cowpea planting technology video to make beans produce more beans