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Persistence and dissipation of neonicotinoid insecticides on chilli fruits

机译：烟碱类杀虫剂的持久性和耗散杀虫剂对辣椒果实

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摘要

A field trial was conducted to study the dissipation of neonicotinoid insecticides, imidacloprid and acetamiprid, on chilli fruits for the estimation of its half-life and waiting period. The samples of chilli fruits drawn at 0, 1, 3, 5, 7, 15, 21 days after spraying were quantified on gas liquid chromatography equipped with Ni-63 electron capture detector for acetamiprid and high performance liquid chromatography for imidacloprid. The residues of imidacloprid persisted up to seven days, whereas the acetamiprid persisted up to fifteen days of spraying. From the dissipation data, the half-life values of acetamiprid and imidacloprid were 2.27 and 2.08 days, respectively. A waiting period of 7.18 and 11.26 days were calculated for acetamiprid and imidacloprid in chilli.
机译：进行了现场试验研究烟碱类杀虫剂耗散杀虫剂,吡虫啉和acetamiprid辣椒果实估计的半衰期和等待时期。1、3、5、7、15日,喷洒后21天装备量化在气液色谱法与ni - 63电子俘获检测器acetamiprid和高效液相色谱法对吡虫啉。吡虫啉持续7天,而acetamiprid坚持15天喷洒。半衰期acetamiprid和吡虫啉的价值观分别为2.27和2.08天。7.18和11.26天计算acetamiprid和吡虫啉在辣椒。

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