外来有害杂草薇甘菊传入云南省德宏州,发生面积逐年成倍增加,危害多种农作物。薇甘菊在德宏州蔓延成灾的主要原因是传入时间早、气候适宜、生境适合、作物管理粗放、栽种制度适合其扩散、防除不当等。根据其成灾原因,针对发生区域和危害方式,选择人工、药剂等适合的防除方法,采取有效措施进行持续防控。 Introduction of exotic harmful weeds Mikania micrantha into Dehong Prefecture, Yunnan Province, the area has doubled year by year, endangering many kinds of crops. The main causes of Mikania micrantha spreading in Dehong Prefecture were the early introduction time, suitable climate, habitat suitability and extensive crop management. The planting system is suitable for its proliferation and improper control. According to the reasons for the disaster, according to the occurrence of regional and hazardous modes, select appropriate artificial and pharmaceutical control methods and take effective measures for sustained prevention and control.