绿化柿树东方盔蚧的发生及防治效果  

Occurrence and Efficacy Test of Parthenolecanium orientalis Borchsenius in Landscaping Persimmon

作　　者：李艳琼 王国伟 李丛英 李秀 

机构地区：[1]玉溪农业职业技术学院,云南玉溪653106 [2]云南省昆明市宜良县农业技术推广服务中心,云南昆明652100 [3]云南省玉溪市气象局,云南玉溪653100

出　　处：《园艺与种苗》2013年第7期1-4,共4页Horticulture & Seed

基　　金：云南省玉溪市科技研究项目"柿树在玉溪城市绿化中的应用研究"(玉财教201140)

摘　　要：[目的]掌握绿化柿树东方盔蚧的发生规律,筛选最佳防治药剂。[方法]采用实地观察的方法,在玉溪聂耳音乐广场,选择4种药剂进行防效试验。[结果]东方盔蚧在玉溪绿化柿树上1年发生2代,以小若虫在当年枝条及老介壳中过冬。药效试验表明:药后3 d,毒死蜱480 g/L EC、2.5%高效氯氰菊酯EC和对照药剂90%敌百虫原药的防效分别为46.15%、55.13%、40.17%,均达到显著和极显著性差异;药后15 d,毒死蜱480 g/L EC、2.5%高效氯氰菊酯EC防效分别为75.69%、63.54%,均达到显著和极显著性差异;药后20 d,毒死蜱480g/L EC、亩旺特240 g/L SL、2.5%高效氯氰菊酯EC的防效分别为73.61%、75.00%、46.88%,达到显著性差异。药后30 d,毒死蜱480 g/L EC、亩旺特240 g/L SL、2.5%高效氯氰菊酯EC的防效分别为62.47%、8.20%、-3.28%,均达到显著性差异。[结论]用毒死蜱480 g/L EC防治柿树东方盔蚧效果最佳。[Objective] The aim was to control the occurrence regularity of Parthenolecanium orientalis Borchsenius on persimmon,and to pick a best prevention and treatment of drug.[Method] On the basic of preliminary study in Yuxi Nie'er Music Square,four kinds of drugs control effects experiments were carried out.[Result]It was reported that Parthenolecanium orientalis Borchsenius occurred in landscaping persimmon two generations a year in Yuxi City of Yunnan Province,and young pest through the winter in tree cracks.Test showed that,after 3 days,the control effects of chlorpyrifos EC,2.5% beta-cypermethrin EC and 90%trichlorfont were 46.15%,55.13% and 40.17%,which achieved significant and extremely significant difference.After 15 days,the control effects of chlorpyrifos EC,2.5% beta-cypermethrin EC and 90%trichlorfont were 75.69% and 63.54%,and achieved significant and extremely significant difference.After 20days,the control effects of chlorpyrifos EC,beta-cypermethrin EC and 2.5% beta-cypermethrin EC were73.61%,75.00% and 46.88%,which achieved significant and extremely significant difference.After 30 days,the control effects of chlorpyrifos EC,beta-cypermethrin EC and 2.5% beta-cypermethrin EC were 62.47%,8.20% and-3.28%,which achieved significant and extremely significant difference.[Conclusion] Chlorpyrifos EC was the best prevention to control the Parthenolecanium orientalis Borchsenius.

关 键 词：东方盔蚧 发生规律 药效试验 

分 类 号：S662[农业科学—果树学]