玉米病虫害发生趋势及防治方法

• 出 处: 农村科学实验
• 发表日期: 2017年02期

科技入户工程实施以来,为了保证我市玉米产量,对玉米病害和虫害进行预测预报。根据市农业技术推广中心2005年秋调查,玉米黑穗病发病率为3-4%,严重地块高达8%。玉米大斑病去年在我市发生较重,地下害虫发生危害日趋严重,个别地块造成缺苗断条,甚至造成毁种或绝收。

Since the implementation of S & T household project, in order to ensure the output of maize in our city, the forecast and forecast of maize diseases and insect pests. According to the survey conducted by the Municipal Agricultural Technology Promotion Center in the autumn of 2005, the incidence of smut is 3-4% and the serious mass is as high as 8%. The maize big blotch occurs heavier in our city last year, the harm of the underground pests is becoming more and more serious, the lack of seedling broken strips caused by individual plots results in the destruction of species or the harvest.