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Dissipation of Imidacloprid in Tomato (Lycopersicon esculentum Mill.)

机译:吡虫啉在番茄中的耗散(番茄根腐病(Lycopersicon esculentum Mill。)

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摘要

Dissipation of imidacloprid on tomato is reported under field conditions following three sprays at seven days interval and two doses i.e. 35 and 70 g a. i. ha~(-1) during rabi 2015. Initial deposits of 0.08 and 0.23 μg g~(-1) of imidacloprid in tomato fruits gradually dissipated to 0.02 and 0.05 μg g~(-1) on the 15th day at the standard and double the standard dose, respectively. The soil samples collected on the 15th day after the third application revealed 0.05 and 0.18 μg g~(-1) residues at the two doses, respectively. The half-lives (T_(1/2)) of imidacloprid on tomato fruits were 8.9 and 7.5 days for standard and double doses, respectively. Considering the maximum residue limit (MRL) of imidacloprid on tomato, 1.0 and 0.5 mg kg~(-1) by FSSAI and Codex respectively, the residues were below MRL right from the date of application.
机译:据报道,在田间条件下,每隔7天喷3次,两次剂量分别为35和70 g a,吡虫啉在番茄上的消散。一世。 2015年狂犬病期间的ha〜(-1)。第15天,吡虫啉在番茄果实中的初始沉积量分别为0.08和0.23μgg〜(-1),在标准水平下逐渐消散至0.02和0.05μgg〜(-1),并增加一倍。标准剂量。第三次施用后第15天收集的土壤样品在两种剂量下分别显示0.05和0.18μgg〜(-1)残留。标准剂量和双剂量吡虫啉在番茄果实上的半衰期(T_(1/2))分别为8.9天和7.5天。考虑到FSCAI和法典对吡虫啉在番茄上的最大残留限量(MRL)分别为1.0和0.5 mg kg〜(-1),自施药之日起,残留量均低于MRL。

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