作　　者： ; ; ; ; ;

机构地区： 广东省农业科学院

出　　处： 《广东农业科学》 2009年第9期96-98,107,共4页

摘　　要： 对13种杀螨剂进行了防治柑桔红蜘蛛的田间药效试验,结果表明:速效性好且持效期长的杀螨剂有螺螨酯、三唑锡、苯丁锡、溴螨酯和克螨特,药后1 d的防效达89%以上,药后10 d的防效为85.84%～96.66%,药后15 d的防效为76.66%～98.12%,它们对柑桔红蜘蛛的有效控制期在15 d以上,其中以螺螨酯的防效最好、持效期最长;哒螨灵和双甲脒的速效性较好但持效期一般,药后1～10 d的防效为87.53%～90.48%,药后15 d的防效下降到66.80%以下;噻螨酮和阿维菌素的速效性一般但持效期较长,药后1 d的防效为80.09%～86.87%,药后10 d的防效为90.81%～93.45%,药后15 d的防效为80%左右;四螨嗪和氟虫脲的速效性较差,持效期一般;唑螨酯的速效性和持效期都不突出;甲氰菊酯对柑桔红蜘蛛的控制作用最差,不宜使用。 To select pesticides of high efficiency, field trials were conducted to validate the efficacy of 13 acaricides for controlling Panonychus cirri.The results indicated that spirodiclofen, azocyelotin, fenbutatin oxid, bromopropylate and propargit provided good rapid and persistent effects. Their control effects was above 89% on the first day after application, 85.84% to 96.66% at 10 days, and was still 76.66% to 98.12% at 15 days. The persistent period of these 5 acaricides was above 15 days. Spirodielofen had the best rapid and persistent effects among 13 acaricides. Pyridaben and amitraz had favorable quick-acting effects. Their effect was 87.53% to 90.48% during 1 to 10 days after treatment, but was lower than 66.80% at 15 days. Hexythiazox and abamectin had better persistent effects. The effects was 80.09% to 86.87% on the first day, 90.81% to 93.45% at 10 days, was still about 80% at 15 days. Clofentezine and flufenoxuron had longe persistent period but bad rapid effects. Fenpyroximate had slow-acting and short persistent effects.Fenpropathrin had the lowest control effects, which was unsuitable to control Panonychus citri.

关 键 词： 柑桔红蜘蛛 防效 杀螨剂

领　　域： [农业科学] [农业科学]