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5种药剂对枸杞蚜虫的田间防效试验

Journal of Northeast Agricultural Sciences(2021)

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Abstract
针对枸杞蚜虫对常规农药产生抗药性且难于防治的现状,选用5种药剂进行大田药效试验,结果表明,0.5%苦参碱水剂800倍液、10%氟啶虫酰胺水分散性粒剂3 000倍液和10%溴氰虫酰胺可分散油悬浮剂800倍液对枸杞蚜虫有较好的防治效果,具有一定的速效性和持效性,药后1 d的防治效果分别达到54.49%、59.04%和62.75%,药后15 d的防治效果分别为88.83%、78.19%和76.73%,3种药剂的防治效果均高于20%呋虫胺可溶粒剂800倍液和70%吡虫啉水分散性粒剂7 000倍液,这两种药剂1 d和15 d的防治效果仅为29.14%、54.49%和32.63%、28.70%.氟啶虫酰胺和溴氰虫酰胺两种新型蚜虫防治药剂,可作为防治枸杞蚜虫的药剂进行使用;苦参碱属于生物农药,近几年在农业上广泛应用,且有良好的防治效果,可作为枸杞绿色防控和蚜虫发生前期的预防药剂.
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