通过对黑龙江省玉米主要病虫害的发生情况分析,说明玉米病虫害的发生随着生态环境和栽培方式的变化而改变,在综合治理对策上,提出选育和合理使用抗病品种,确立合理的耕作栽培方式,辅之以化学防治和物理防治,探索研究生物防治技术。 Based on the analysis of the occurrence and development of maize pests and diseases in Heilongjiang Province, it shows that the occurrence of maize pests and diseases changes with the changes of ecological environment and cultivation methods. On the comprehensive management countermeasures, the breeding and rational use of disease-resistant cultivars Way, supplemented by chemical control and physical control, exploration of biological control technology.