| 吡蚜酮在大棚和露地芥蓝上的残留消解动态 |
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| 引用本文： | 郑坤明,陈劲星,陈冬花,林瑶,张钰萍,苏建峰,胡德禹.吡蚜酮在大棚和露地芥蓝上的残留消解动态[J].农药,2019(8):598-600. |
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| 作者姓名： | 郑坤明 陈劲星 陈冬花 林瑶 张钰萍 苏建峰 胡德禹 |
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| 作者单位： | 福建中检华日食品安全检测有限公司;贵州大学精细化工研究开发中心绿色农药与农业生物工程国家重点实验室培育基地和教育部重点实验室 |
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| 基金项目： | 国家自然科学基金(21667007) |
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| 摘 要： | 目的]比较大棚和露地条件下吡蚜酮在芥蓝的消解动态和最终残留差异,为其在芥蓝上的合理使用提供数据支持。方法]样品经乙腈提取,经石墨炭净化,采用电喷雾正离子源和多反应监测模式检测。在0.02、0.2、2.0 mg/kg的3个添加水平下,吡蚜酮的平均回收率为91.7%~95.8%,相对标准偏差(RSD)为2.2%~3.7%。结果]吡蚜酮的残留量与其栽培方式有关,在露地芥蓝的半衰期为7.1 d,而在大棚的半衰期为8.8 d,在露地上10 d可降解80%以上;而大棚却要在14 d以上。结论]吡蚜酮在大棚条件下使用时比在露地使用时更加难以降解,降解半衰期更长。
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| 关 键 词： | 吡蚜酮 芥蓝 大棚 露地 |
Residue and Dissipation of Pymetrozine in Chinese Kale Under Open Field and Greenhouse Conditions |
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| ZHENG Kun-ming,CHEN Jin-xing,CHEN Dong-hua,LIN Yao,ZHANG Yu-ping,SU Jian-feng,HU De-yu.Residue and Dissipation of Pymetrozine in Chinese Kale Under Open Field and Greenhouse Conditions[J].Pesticides,2019(8):598-600. |
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| Authors: | ZHENG Kun-ming CHEN Jin-xing CHEN Dong-hua LIN Yao ZHANG Yu-ping SU Jian-feng HU De-yu |
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| Affiliation: | (Fijian CCIC-Faifrreach Food Safety Testing Co.,Ltd.,Fuzhou 350000,China;Research and Development Center for Fine Chemicals,State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering,Key Laboratory of Green Pesticide and Agricultural Bioengineering,Ministry of Education,Guizhou University,Guiyang 550025,China) |
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| Abstract: | ZHENG Kun-ming;CHEN Jin-xing;CHEN Dong-hua;LIN Yao;ZHANG Yu-ping;SU Jian-feng;HU De-yu(Fijian CCIC-Faifrreach Food Safety Testing Co.,Ltd.,Fuzhou 350000,China;Research and Development Center for Fine Chemicals,State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering,Key Laboratory of Green Pesticide and Agricultural Bioengineering,Ministry of Education,Guizhou University,Guiyang 550025,China) |
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| Keywords: | pymetrozine Chinese kale greenhouse open field |
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