兴安盟扎赉特旗杨树病虫害的种类及其防治措施

摘要

对本地区杨树烂皮病的抗性树种进行了调查,筛选出最适合本地区栽植的抗病品种——小乘黑（P.Canadensis）和银中杨（P.alba‘Berolinensis’）。对天牛成虫进行了不同药剂不同浓度的防治对比试验,筛选出最合适的药剂——绿色葳蕾250倍液和触破800倍液。对其他地区的杨树病虫害的预防和控制能起到一定的借鉴作用。%Based on the working experiences in zhaolaite Banner,the suitable measures to control the diseased and insect pests in Populus L.have been summarized.Through investigating the tree species resistant to Valsa sordida,P.canadensis and P.alba ＇Berolinensis＇ are chosen as the most suitable tree species in this area.Through the contrast test to control the adults of Saperda populnea linnaeus by use of different agents with different concentrations,250 times liquid of easy-burst microcapsule insecticide and 800 times liquid of contacted breaking release microcapsule are chosen as the most suitable agents.