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Harvest Time Residues of Ethion in Soil and Wheat Crop

机译：土壤和小麦作物中乙硫磷的收获时间残留

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摘要

Harvest time residues of ethion applied as seed treatment @ 6 ml kg~(-1) and 12 ml kg~(-1) seed was investigated in soil, wheat grain and straw under field conditions. Representative samples of soil, wheat grain and straw were drawn at harvest and analysed by GC-NPD system. Residues of ethion were 0.048 and 0.082 μg g~(-1),0.257 and 0.472 μg g~(-1) in soil and straw, respectively. No residue was detected in wheat grain at single dose but the residues at double dose was 0.031 μg g~(-1), which exceeded the maximum residue limit (MRL) of 0.025 μg g~(-1). The study indicated that harvest time residues of ethion at double dose were not with in safe limits. Hence, this dose cannot be recommended as seed treatment in wheat.
机译：在田间条件下，在土壤，小麦籽粒和秸秆中调查了分别处理6 ml kg〜（-1）和12 ml kg〜（-1）种子时使用的ethion收获时残留物。收获时采集土壤，小麦籽粒和稻草的代表性样品，并通过GC-NPD系统进行分析。土壤和秸秆中的乙硫磷残留分别为0.048和0.082μgg〜（-1），0.257和0.472μgg〜（-1）。单剂量未在小麦籽粒中检测到残留，但双剂量残留为0.031μgg〜（-1），超过了最大残留限量（MRL）0.025μgg〜（-1）。研究表明，双倍剂量的乙硫磷收割时间残留量没有安全限度。因此，不建议将该剂量推荐为小麦的种子处理。

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