溴氰虫酰胺对香蕉田间黄胸蓟马的药效及其残留规律
投稿时间:2017-05-17      点此下载全文 HTML
引用本文:李强,付步礼,夏西亚,乐渊,邱海燕,唐良德,曾东强,刘奎,等.溴氰虫酰胺对香蕉田间黄胸蓟马的药效及其残留规律[J].农药学学报,2017,19(6):723-728.
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作者单位E-mail
李强 中国热带农业科学院 环境与植物保护研究所, 海口 571101;农业部热带作物有害生物综合治理重点实验室, 海口 571101;广西大学 农业环境与农产品安全重点实验室培育基地, 南宁 530005  
付步礼 中国热带农业科学院 环境与植物保护研究所, 海口 571101;农业部热带作物有害生物综合治理重点实验室, 海口 571101  
夏西亚 中国热带农业科学院 环境与植物保护研究所, 海口 571101  
乐渊 中国热带农业科学院 分析测试中心, 海口 571101  
邱海燕 中国热带农业科学院 环境与植物保护研究所, 海口 571101;农业部热带作物有害生物综合治理重点实验室, 海口 571101  
唐良德 中国热带农业科学院 环境与植物保护研究所, 海口 571101;农业部热带作物有害生物综合治理重点实验室, 海口 571101  
曾东强 广西大学 农业环境与农产品安全重点实验室培育基地, 南宁 530005  
刘奎 中国热带农业科学院 环境与植物保护研究所, 海口 571101;农业部热带作物有害生物综合治理重点实验室, 海口 571101 lk0750@163.com 
基金项目:现代农业产业技术体系建设专项资金(CARS-32-04);中央级科研院所基本业务费项目(2016hzs1J007)
中文摘要:采用10%溴氰虫酰胺可分散油悬浮剂(OD),按有效成分75 g/hm2的剂量,于香蕉抽蕾初期施药1次,比较了喷雾、灌根和埋药3种施药方式下溴氰虫酰胺对黄胸蓟马的防效,并通过超高效液相色谱-串联质谱法(UPLC-MS/MS),分析了溴氰虫酰胺在香蕉果实、花瓣及土壤中的消解动态和最终残留。药效试验表明:喷雾法与灌根法对黄胸蓟马均具有良好的防治效果,防效分别为78%和74%,而埋药处理的防效较差,仅18%。残留检测结果表明:喷雾和灌根处理组,溴氰虫酰胺在果实、花瓣和土壤中的消解半衰期分别为6.5、14.0、8.5 d和16.0、5.7、8.0 d;在香蕉收获前7 d采样,果实中未检测到溴氰虫酰胺残留,其在土壤中残留量为0.028 mg/kg。研究表明,采用喷雾与灌根法施用溴氰虫酰胺可有效防治香蕉田黄胸蓟马,且其在香蕉上使用较安全,属于易降解性农药。
中文关键词:溴氰虫酰胺  黄胸蓟马  防效  残留  香蕉  超高效液相色谱-串联质谱法  降解特性
 
Efficiency of cyantraniliprole on Thrips hawaiiensis and its residue behaviour in banana field
Abstract:The control efficiency of 10% cyantraniliprole oil miscible suspension (OD) applied once at 75 g ai/hm2 in early budding of banana on Thrips hawaiiensis were compared by using three application methods including spraying, soil application and landfill. And a method using ultra high performance liquid chromatography coupled with mass spectrometry (UPLC-MS/MS) was employed in the determination of cyantraniliprole dissipation dynamics and final residues in banana fruits, petals and soil. The efficacy trials showed that good control effect on T. hawaiiensis was obtained by using the spraying and soil application, and the control efficiency were 78% and 74%, respectively. However, the control efficiency in the case of landfill drug was only 18%. The residue detection results showed that the residue half-lives of cyantraniliprole in banana fruits, petals and soil were 6.5, 14.0, 8.5 d and 16.0, 5.7, 8.0 d under spraying and soil application, respectively. And 7 days before banana harvest, cyantraniliprole residue was not detected in the banana fruit, while, in soil sample, the residue was 0.028 mg/kg. This study showed that cyantraniliprole application via spraying and soil application could effectively control of T. hawaiiensis, and it's an easily degradable pesticides and safe to use in banana field.
Key words:cyantraniliprole  Thrips hawaiiensis  control efficacy  residue  banana  ultra high performance liquid chromatography coupled with mass spectrometry (UPLC-MS/MS)  dissipation characteristic
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