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王自然1，张宏瑞2，岳建强1，郭俊1，彭满秀1，高俊燕1*.云南德宏柠檬花期蓟马种类调查及药剂防治[J].植物保护,2013,39(1):178-180.

云南德宏柠檬花期蓟马种类调查及药剂防治

Species investigation and chemical control of the thrips on lemon during flowering period in Dehong of Yunnan

DOI：

中文关键词: 柠檬花期蓟马黄胸蓟马优势种药剂防治

英文关键词:lemon flowering period thrips Thrips hawaiiensis dominant species chemical control

基金项目:

作者	单位
王自然1，张宏瑞2，岳建强1，郭俊1，彭满秀1，高俊燕1*	1.云南省农业科学院热带亚热带经济作物研究所(瑞丽),德宏678600；2.云南农业大学植物保护学院，昆明650201

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中文摘要:

蓟马在柠檬开花初期、盛花期和末花期均可对柠檬花造成严重危害。本研究进行了德宏柠檬花期蓟马为害观察、标本采集、种类鉴定，以及大田防治药剂的筛选试验。结果表明，为害柠檬花的蓟马有9种，分别为黄胸蓟马(Thrips hawaiiensis)、杜鹃蓟马(T. andrewsi)、色蓟马(T. coloratus)、棕榈蓟马(T. palmi)、黄蓟马(T.flavus)、西花蓟马(Frankliniella occidentalis)、花蓟马(F. intonsa)、端大蓟马(Megalurothrips distalis)和蓟马属一种（Thrips sp.），其中以黄胸蓟马为柠檬花期蓟马的优势种。供试的7种药剂中，以25%噻虫嗪水分散粒剂3 500倍液、24%灭多威水剂2 000倍液和20%丁硫克百威乳油1 000倍液的防治效果较好，其施药后3 d的虫口减退率分别为93.07%、90.90%和81.57%，校正防效分别为95.36%、93.91%和87.64%；施药后5 d的虫口减退率分别为97.90%、95.32%和92.75%，校正防效分别为98.75%、97.21%和95.68%。药剂筛选试验为柠檬花期蓟马的大田防治提供了重要的参考。

英文摘要:

The early flowering stage, florescence, and the end of florescence of lemon were all damaged by the thrips. Damage, species, and the effects of 7 pesticides on the thrips during lemon flowering period were studied. The results showed that 9 species of thrips were found on lemon flowers, namely Thrips hawaiiensis, T.andrewsi, T.coloratus, T.palmi, T. flavus, Frankliniella occidentalis, F.intonsa, Megalurothrips distalis and Thrips sp. T. hawaiiensis was the predominant species on lemon flowers in Dehong of Yunnan Province. The results of field tests indicated that the efficacy of 25% thiamethoxam WG 3500 ×, 24% methomyl AS 2000 × and 20% carbosulfan EC 1000 × were better than the others. After 3 days, the population decline rates of the thrips were 93.07%, 90.90%, and 81.57%, respectively, and the corrected control effects were 95.36%, 93.91% and 8764%, respectively. After 5 days, the population decline rates of the thrips were 97.90%, 95.32% and 9275%, respectively, and the corrected control effects were 98.75%, 97.21% and 9568%, respectively. The 3 pesticides provided an important reference for controlling thrips at lemon flowering stage in fields.

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