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通过对河北省黄骅市种植的紫花苜蓿Medicago sativa 病虫发生情况进行调查,基本上摸清了苜蓿病虫害的主要种类、发生时间及危害程度,并结合实际情况,初步总结出了苜蓿主要病虫害的防治措施。
By investigating the incidence of alfalfa Medicago sativa planted in Huanghua City of Hebei Province, the main types, the occurrence time and the degree of harm of alfalfa pests and diseases were basically ascertained. Based on the actual situation, the control of the main pests and diseases of alfalfa Measures.