玉米病、虫、草害的发生直接影响玉米产量的高低和品质的优劣。近年来,因气候反常,玉米病、虫、草害发生较为频繁,一些次要病虫害有加重趋势,主要病虫害再度猖獗。这里介绍一些玉米主要病、虫、草害的综合防治技术。 Maize diseases, insects, grass damage directly affects the level of corn production and quality advantages and disadvantages. In recent years, because of the climate anomaly, maize diseases, pests and weeds have occurred more frequently. Some minor pests and diseases have been aggravated. The main pests and diseases have once again become rampant. Here are some of the major maize diseases, insects, grass damage comprehensive prevention and control technology.