辽宁省玉米田农药使用现状、存在问题与建议

Pesticide Usage for Corn Pest Control in Liaoning&the Problems and Recommendations

针对辽宁省玉米田农药使用情况进行深入调查,结果表明,当前辽宁省玉米田病虫草害防治以化学农药为主,用量最大的除草剂为莠去津,用量最大的杀虫剂是二嗪磷,用量最大的杀菌剂为福美双。在农药的使用过程中,存在农民对农药科学使用技术认知不足、用药技术落后、抗药性发展等问题。建议采取普及农药科学使用方法和安全使用准则、推广高效高质量施药机械、制定并实施合理的抗性治理对策应对玉米生产中病虫草的抗药性威胁,解决目前春玉米生产中农药不合理使用问题。

This paper thoroughly investigated on the use of pesticides in corn field of Liaoning province.At present,the control of pests in corn field of Liaoning still depends on chemical pesticides.The most widely used herbicide,insecticide,and fungicide are atrazine,diazinon and thiram,respectively.However,there are still a great challenge for properly use of pesticides such as the lack of knowledge of the use technology of pesticides,the outdated use technology of pesticides,and the development of resistance of the pestes.We suggest issues should be addressed to make significant progress in the popularization of scientific use technology and safety application guideline of pesticides,promotion of efficient and high-quality application equipment,establishment and enforcement of pest resistance management program to cope with the resistance threat of pests.