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学科主题: 氟化学
题名: Kinetics of extractable residue, bound residue and mineralization of a novel herbicide, ZJ0273, in aerobic soils
其他题名: 好样土壤中丙酯草醚的可提残留、结合残留和矿化的动态
作者: Wang HY(汪海燕) ; Ye QF(叶庆富) ; Yue L(岳玲) ; Yu ZY(余志扬) ; Han AL(韩爱良) ; Yang ZM(杨征敏) ; Lv L(吕龙)
通讯作者: 叶庆富 ; 吕龙
刊名: Chemosphere
发表日期: 2009
卷: 76, 期:8, 页:1036-1040
收录类别: SCI
部门归属: 浙江大学; 上海有机所
英文摘要: ZJ0273, propyl 4-(2-(4,6-dimethoxypyrimidin-2-yloxy)benzylamino)benzoate, is a broad-spectrum herbicide being marketed for use on rape crops. However, environmental behavior and fate of ZJ0273 remained poorly understood. In this study, we used ZJ0273 labelled with C-14 on the C ring to understand the transformation of ZJ0273 in aerobic soils. Results showed a first-order dissipation pattern for the parent compound, with half-lives ranging from 17.2 to 53.7 d, suggesting a short to moderate persistence. The dissipation of the parent molecule was accompanied by formation of bound residues and mineralization. The transformation of ZJ0273 appeared to decrease with decreasing soil pH and organic matter content. Differences were often observed in the formation of bound residues, and mineralization among different soils. After 100 d of incubation, the total bound residue accounted for 17.4-28.8% of the total applied amount in the three soils, while cumulative mineralization to CO2 reached 1.2% for an acidic soil, 7.7% for neutral and 9.9% for alkaline soil, suggesting that the herbicide in the neutral and alkaline soils met the non-accumulative criteria as stated in the directives by the Commission of the European Communities. (C) 2009 Elsevier Ltd. All rights reserved.
语种: 英语
相关网址: 查看原文
WOS记录号: WOS:000269294900004
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内容类型: 期刊论文
URI标识: http://ir.sioc.ac.cn/handle/331003/19211
Appears in Collections:中科院有机氟化学重点实验室_期刊论文

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Recommended Citation:
Wang HY,Ye QF,Yue L,et al. Kinetics of extractable residue, bound residue and mineralization of a novel herbicide, ZJ0273, in aerobic soils[J]. Chemosphere,2009,76(8):1036-1040.
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