商品堆肥中二甲氧基杀菌剂及其代谢物残留的发生

Agronomie Pub Date : 2004-01-01 DOI:10.1051/AGRO:2003058
A. Vanni, F. Fontana, R. Gamberini, A. Calabria
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引用次数: 5

摘要

-在这项工作中,我们分析了不同商业堆肥的样品,以验证在农业中广泛用作杀虫剂的二氧肟类杀菌剂(异丙二酮、顺米酮、Vinclozolin和chlorzolinate)的代谢物的存在。采用高效液相色谱- dad -质谱法对乙腈超声提取的商业堆肥提取物进行了分析。对所有考虑的化合物和两种检测器的分析方法的检出限(DL)进行了评价。分析证实,在三个商业堆肥样品中存在杀菌剂残留(即异丙二酮,48 mg/kg),并且在大多数检查的基质中存在一些相应的代谢物痕迹(即Procymidone代谢物I, 20 mg/kg)。这些结果强调了在添加堆肥后土壤中可能存在这些杀菌剂和相应的代谢物。
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Occurrence of dicarboximidic fungicides and their metabolites’ residues in commercial compost
- In this work we analysed samples of different commercial composts to verify the presence of metabolites of dicarboximidic fungicides (Iprodione, Procymidone, Vinclozolin and Chlozolinate) widely used in agriculture as botritycides. The commercial compost extracts, obtained by sonication with acetonitrile, were analysed by HPLC-DAD-MS. The detection limits (DL) of the analytical method were appraised for all considered compounds and for both the detectors. The analysis confirmed the presence of fungicide residues (i.e. Iprodione, 48 mg/kg) in three samples of commercial compost and traces of some corresponding metabolites (i.e. Metabolite I of Procymidone, 20 mg/kg) for most examined matrices. These results underline a possible presence of these fungicides and corresponding metabolites in soil, after the addition of compost.
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