黄芪病虫害种类及为害情况调查

Investigation of the diseases and insect pests of Astragalus membranaceus

目的 :摸清为害黄芪的病虫害种类及其为害情况 ,为研究其防治方法提供依据。方法 :采用多点调查 ,点面结合的方式进行研究。结果 :共发现黄芪病害有 7种、虫害有 4 9种。结论 :为害较严重的病害有白粉病和根腐病 2种 ,为害较严重的虫害有小地老虎、芫菁及蚜虫等类害虫。

Objective: To survey the species of plant diseases and insect pests of Astragalus membranaceus and to provide the scientific basis for their prevention and treatment Method: To sample randomly at fixed fields Result: Seven species of diseases and 49 species of insect pests were found Conclusion: This investigation shows that powdery mildew and root rot are serious diseases and black cutworm, meloid and aphid are the main pests to A membranaceus