A novel and actual mode for study of soil degradation and transportation of difenoconazole in a mango field
文献类型： 外文期刊
作者： Zhao, Fangfang 1 ; Liu, Jingkun 5 ; Xie, Defang 1 ; Lv, Daizhu 1 ; Luo, Jinhui 1 ;
作者机构： 1.Chinese Acad Trop Agr Sci, Anal & Testing Ctr, Haikou 571101, Hainan, Peoples R China
2.Minist Agr, Lab Qual & Safety Risk Assessment Trop Prod Haiko, Haikou 571101, Hainan, Peoples R China
3.Hainan Prov Key Lab Qual & Safety Trop Fruits & V, Haikou 571101, Hainan, Peoples R China
4.Qual Supervis & Inspect Ctr Trop Agroprod, Haikou 571101, Hainan, Peoples R China
5.Chinese Acad Trop Agr Sci, Environm & Plant Protect Inst, Haikou 571101, Hainan, Peoples R China
期刊名称：RSC ADVANCES （ 影响因子：3.361； 五年影响因子：3.39 ）
ISSN： 2046-2069
年卷期： 2018 年 8 卷 16 期
页码：
收录情况： SCI
摘要： To supply actual data for assessing the potential threat from difenoconazole to the ecosystem, its practical environmental behaviors in a mango field were investigated through a novel mode. After optimization, a UPLC-MS/MS determination method with good accuracy and stability was developed that could be used for the residue determination. Difenoconazole residue was in situ sampled, and its degradation and transportation activity, which reflected the actual transfer characteristics in the natural environment, were researched. The results showed that the half-life of difenoconazole in the soil was 15.4 days, which may be accumulated in a year-round agricultural production system. The residue was detected in the rain settled underground, which showed that the residue transported gradually with the rainfall in vertical and horizontal directions. The results showed that difenoconazole would transport with the rainfall, although the process was slow. All the data showed that the soil ecosystem, and probably also the aquatic ecosystem, would be affected by difenoconazole residue.
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