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当前位置: 首页 > 文章 > 四氟醚唑在水稻及稻田环境中的残留及消解动态 农药 2015,54 (12) 900-903+929
Position: Home > Articles > Residues and Degradation Dynamics of Tetraconazole in Rice and Environment Agrochemicals 2015,54 (12) 900-903+929

四氟醚唑在水稻及稻田环境中的残留及消解动态

作  者：
段劲生;王梅;董旭;孙明娜;肖青青;朱玉杰;孙海滨;刘艳萍;高同春
单  位：
安徽省农业科学院植物保护与农产品质量安全研究所农业部农产品质量安全风险评估实验室(合肥)安徽科立特农药环境评价科技有限公司;广东省农业科学院植物保护研究所
关键词：
四氟醚唑;残留;水稻;稻田环境
摘  要：
[目的]为评价四氟醚唑在水稻和环境中的安全性,开展四氟醚唑在水稻和稻田环境中的残留量及消解动态研究。[方法]进行2年3地田间试验。消解动态试验按四氟醚唑72.80ga.i./hm~2施药1次;最终残留试验按72.80ga.i./hm~2(高剂量)和48.53 ga.i./hm~2(低剂量)分别施药2次和3次水稻收获期采样。[结果]四氟醚唑在田水、土壤和植株中的消解半衰期分别为1.7~5.1、4.1~9.8、2.1~6.3 d。四氟醚唑在土壤、植株、谷壳和糙米中的最高残留量分别为0.2133、5.4557、5.4498、0.0397mg/kg。[结论]糙米最终残留量低于欧盟规定的最大残留限量(MRL)0.05mg/kg。
译  名：
Residues and Degradation Dynamics of Tetraconazole in Rice and Environment
作  者：
DUAN Jin-sheng;WANG Mei;DONG Xu;SUN Ming-na;XIAO Qing-qing;ZHU Yu-jie;SUN Hai-bin;LIU Yan-ping;GAO Tong-chun;Institute of Plant Protection and Agro-Products Safety,Anhui Academy of Agricultural Sciences,Key Laboratory of Agro-Product Safety Risk Evaluation(Hefei),Ministry of Agriculture,Anhui Create Pesticide and Environment Evaluation Technology Co.,Ltd.;Institute of Plant Protection,Guangdong Academy of Agricultural Sciences;
关键词：
tetraconazole;;residue;;rice;;rice field
摘  要：
[Aims]In order to evaluate the safety of apply of tetraconazole,a field experiment was conducted to study the residues and decline dynamics of tetraconazole in rice and environment.[Methods]Field experiment was conducted in three locations for two years.For dissipation trial,tetraconazole was applied at the dosage of 72.80 g a.i./ha for one time.For final residue trial,tetraconazole was applied at the dosages of 72.80 and 48.53 g a.i./ha for two and three times,respectively.The samples were took at harvest time.[Results]The half-lives of tetraconazole in paddy water,soil and rice straw were 1.7-5.1,4.1-9.8 and 2.1-6.3 d,respectively.The maximum final residues of tetraconazole in soil,rice straw,rice shell and brown rice were 0.213 3,5.455 7,5.449 8,0.039 7 mg/kg,respectively.[Conclusions]The results revealed that the residues of tetraconazole in brown rice were less than the MRL set by EU(0.05 mg/kg).

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