去年,长江流域玉米产区,一些地方发生了玉米锈病,由于这种病害以前发生较少,且不太严重,在防治其他玉米病害时,施药后有的农药可对其起到兼治作用,而很少单独用杀菌剂防治。但近年来有的种植户反映,玉米生产尤其是甜玉米在秋季种植后,很容易遭受锈病的危害而造成减产,现将玉米锈病的症状识别及防治方法介绍如下。 Last year, there was corn rust in some areas in the corn producing areas of the Yangtze River basin. Since the disease occurred less frequently and less seriously, some pesticides after the pesticide treatment could play a role in controlling other corn diseases. And rarely alone with fungicides control. However, some growers in recent years have reported that the production of maize, especially sweet corn, is easily harmed by the rust after it is planted in the autumn and the production is reduced. The methods for identifying and controlling corn rust are as follows.