12.5%阿维菌素·啶虫脒微乳剂对螺旋粉虱的田间防效评价
2014-10-21廖永林肖汉祥张扬符悦冠莫水兴
廖永林 肖汉祥 张扬 符悦冠 莫水兴
摘要 [目的]明确12.5%阿维菌素·啶虫脒微乳剂对螺旋粉虱的防治效果。[方法]于2009和2010年通过田间试验评价该药剂对螺旋粉虱的防治效果。[结果]药后1、3、7 d该药剂用量为15.75~37.50 g/hm2时对螺旋粉虱的防治效果分别为66.00%~79.92%、80.81%~89.29%和74.18%~85.67%,均比对照药剂的防治效果高且差异显著。[结论]为螺旋粉虱的化学防控奠定了基础。
关键词 12.5%阿维·啶虫脒微乳剂;螺旋粉虱;防治效果
中图分类号 S433.39 文献标识码 A 文章编号 0517-6611(2014)33-11717-02
Control Effect of 12.5% Abamectin·acetamiprid Microemulsion to Aleurodicus dispersus
LIAO Yong-lin1,2, XIAO Han-xiang1,2, ZHANG Yang1,2* et al
(1. Plant Protection Institute, Guangdong Academy of Agricultural Sciences, Guangzhou, Guangdong 510640; 2. Guangdong Provincial Key Laboratory of High Technology for Plant Protection, Guangzhou, Guangdong 510640)
Abstract [Objective] The aim was to understand control effect of 12.5% Abamectin acetamiprid microemulsion to A. disperses. [Method] The control effect of 12.5% Abamectin·acetamiprid microemulsion to A. disperses was studied through field trials in 2009 and 2010. [Result] The control effects of 12.5% Abamectin acetamiprid ME were 66.00%-79.92%, 80.81%-89.29%, and 74.18%-85.67% at the active ingredient dosages of 15.75-37.50 g/hm2 on the 1st, 3rd and 7th days after spraying, respectively, which were significantly higher than the controls. [Conclusion] The results lay the basis for the chemical control of A. disperses.
Key words 12.5% Abamectin·acetamiprid ME; Aleurodicus dispersus; Control effect
基金项目 国家公益性行业(农业)科研专项(200803023-03,2011030 26-1)。
作者简介 廖永林(1983- ),男,福建上杭人,助理研究员,硕士,从事农业昆虫与害虫防治。*通讯作者,研究员,从事植物保护研究。
收稿日期 2014-10-08
螺旋粉虱(Aleurodicus dispersus)是粉虱类害虫中一种重要入侵性害虫,2006 年在我国海南陵水发现该虫[1],其食性杂,寄主范围广。成虫、若虫群集叶背刺吸植物汁液,被害叶片褪绿变黄、萎蔫,导致植株衰弱,甚至全株枯死,还分泌蜜露诱发煤霉病,并可传播多种病毒病[2-3]。目前,该虫已在海南省全省范圍内发生危害,其寄主植物达47科120种,并且还有继续向大陆地区发生危害的趋势[4]。鉴于此,笔者在前期室内毒力测定的基础上自行研制出一种12.5%阿维菌素·啶虫脒微乳剂,并通过田间试验评价了该药剂对螺旋粉虱的防治效果,以期为螺旋粉虱的化学防控奠定基础。
1 材料与方法
1.1 材料
1.1.1 供试药剂。
12.5%阿维菌素·啶虫脒微乳剂为自制;3%啶虫脒乳油购自山东曹州农化公司;1.8%阿维菌素乳油购自山东曹达化工有限公司。
1.1.2 试验害虫。……
