玉米是睢县的主要农作物,常年播种面积4.33亿平方米,近几年来,我县玉米粗缩病的发病面积逐年扩大,尤其晚春播和早夏播的玉米发病较为严重,一般病田病株率达20%～40%,平均减产15%～30%,对我县玉米生产造成了极大损失,因此,农业局成立了玉米粗缩病防病技术组,调查、研究如何控制玉米粗缩病发生及危害,现将近几年的调查情况及综合防治技术总结如下: Maize is the main crop in Shexian County. The perennial planting area is 433 million square meters. In recent years, the incidence of maize sickening in our county has been expanding year by year. Especially in late spring and early summer, the incidence of maize is more serious, The rate of 20% to 40%, an average reduction of 15% to 30% of corn production in our county caused a great loss, therefore, the Bureau of Agriculture set up a corn rough disease prevention and control technology group to investigate how to control the corn The occurrence and harm of the disease, now the investigation of recent years and comprehensive prevention and treatment of technology are summarized as follows: