苋菜生长健壮,病虫害较少,偶有病毒病、黑斑病、炭疽病、褐斑病和蚜虫、甜菜夜蛾等的发生,在农业措施上,可选用优良抗病品种,提高作物自身抗病能力,施肥以有机肥为主。实施轮作,清洁田园,减少病虫害的发生。高温、干旱季节,覆盖遮阳网降温促生长,并在发病初期即采收上市。苋菜病毒病:注意防治蚜虫。适时喷施叶面营养剂,促植株早生快发,减轻危害。发病后,可选用 Amaranth grow robust, less pests and diseases, occasional virus disease, black spot disease, anthracnose, brown spot and aphids, beet armyworm and other occurrences, in agricultural measures, you can choose good resistant varieties, improve the crop’s own disease resistance Capacity, fertilization dominated by organic fertilizer. Carry out rotation, clean the garden, reduce the occurrence of pests and diseases. High temperature, dry season, covering shade network to promote growth and cooling, and early in the onset that is harvested. Amaranth virus disease: pay attention to control aphids. Timely spraying foliar nutrients, and promote plant early hair fast, reduce harm. After the onset, optional