叶面肥对烟叶中4种杀虫剂残留降解的影响

Chinese Tobacco Science(2017)

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Abstract
叶面肥与农药混用是农业生产中一种新兴的药肥施用模式,但其对农药残留的影响尚待进一步研究.本试验开展了叶面肥与农药不同施用模式试验,采用QuEChERS和高效液相色谱-串联质谱(HPLC-MS/MS)相结合的检测方法,探讨叶面肥对烟叶中氯虫苯甲酰胺、氟啶虫酰胺、氟苯虫酰胺和氟啶虫胺腈4种杀虫剂残留降解速率的影响.结果表明,施用叶面肥对氯虫苯甲酰胺残留降解促进作用显著,对氟啶虫酰胺、氟苯虫酰胺和氟啶虫胺腈残留降解有一定促进作用,且叶面肥稀释1000倍处理效果最佳.研究结果为"药肥合一"模式降低烟叶农药残留水平,提高烟叶品质提供基础数据.
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Key words
foliar fertilize,pesticide residues,degradation,tobacco leaf
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