防治菜豆锈病菜豆锈病属真菌性病害，种子、土壤及病株残体均可带菌，并靠气流和雨水传播。高温高湿、多雨多露及低洼郁闭条件下易发病。１．症状锈病主要危害菜豆的叶、茎、荚。叶片发病初期有黄色小突起，后变黄褐色隆起小包。表皮破裂后散出红褐色粉末。茎、叶柄、荚果... Prevention and treatment of bean curd Bean curd rust is a fungal disease, seeds, soil and diseased plant debris can be carried by the air and rain spread. High temperature and humidity, rain and more rain and low-lying conditions can easily morbidity. 1. Symptoms The main hazards of kidney rust bean leaves, stems, pods. The early onset of yellow leaves a small protuberance, after the yellowish brown bulge packet. After the rupture of the skin scattered red-brown powder. Stems, petioles, pods ...