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Persistence of Acephate and Imidacloprid on Cotton Leaves

机译:乙酰叶酸和吡虫啉在棉叶上的持久性

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Acephate and imidacloprid were applied on cotton using ready-mix SP formulation (Lancer Gold), a combination of acephate 50% + imidacloprid 1.8%, @ 500 and 1000 g ai ha~(-1) with respect to acephate and @18 and 36 g ai ha~(-1) with respect to imidacloprid. Residues of acephate declined below detectable level of 0.02 mg kg~(-1) after 15 and 21 days of applications at single and double dose with t_(1/2) of 2.05 and 1.96 days, respectively. Imidacloprid residues reached below its detectable level of 0.02 mg kg~(-1) after 5 and 7 days of its application at lower and higher rates of application. The half-life values for imidacloprid were observed to be 1.70 and 2.26 days, corresponding to lower and higher dose of application, respectively.
机译:使用预混SP配方(Lancer Gold)将乙酰甲酸酯和吡虫啉施用到棉上,乙酸酯50%+吡虫啉1.8%的组合,相对于乙酰甲酸酯以500和1000 g ai ha〜(-1)以及@ 18和36关于吡虫啉的治疗方法为(-1)。单剂和双剂施用15天和21天后,乙酰甲酸盐的残留量降至低于可检测水平0.02 mg kg〜(-1),t_(1/2)分别为2.05和1.96天。吡虫啉残留量在施用后5天和7天以较低和较高的施用量达到低于其可检测水平0.02 mg kg〜(-1)。吡虫啉的半衰期值分别为1.70天和2.26天,分别对应于较低和较高的剂量。

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