模拟条件下三唑磷在稻田中的分布、迁移、消解及相关环境因子的影响

马有宁; 朱国念; 付岩; 吴慧明; 桂文君; 王蒙岑

模拟条件下三唑磷在稻田中的分布、迁移、消解及相关环境因子的影响

1.
浙江大学农药与环境毒理研究所,杭州 310029
2.
浙江农林大学农业与食品科学学院,杭州 311300

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出版历程
- 收稿日期: 2012-08-22
- 修回日期: 2012-10-22

Distribution,movement and dissipation of triazophos in rice plant and the impact of related environmental factors through the simulated experiments

1.
Institute of Pesticide and Environmental Toxicology, Zhejiang University, Hangzhou 310029, China
2.
College of Agriculture and Food Science, Zhejiang Agriculture and Forest University, Hangzhou 311300, China

摘要

摘要: 采用室内模拟方法研究了三唑磷在水稻-水-土壤中的分布、迁移及消解情况,探讨了三唑磷的消解与环境温度、光照及降雨的关系。结果表明:于水稻苗期喷施药液,0～3 d内三唑磷主要分布在田水和土壤中,第7 d至试验结束时则主要吸附、积累于水稻植株中;三唑磷在水稻、田水和土壤中的消解半衰期分别为4.45、1.56和5.24 d,相互间存在显著差异(PPPPP<0.05)。
- 三唑磷 /
- 残留 /
- 消解 /
- 迁移 /
- 半衰期 /
- 降雨
Abstract: Through the simulated experiments,the mechanism of distribution,movement and dissipation of trizophos in the ecosystem of rice-water-soil was investigated and the impact of environmental temperature,photoperiod and rainfall on dissipation of triazophos were also analyzed.The trial of distribution,movement and dissipation of triazophos in the system of rice-water-soil indicated triazophos mostly distributed in water and soil during 0-3 d,and then it distributed in rice plant from the 7 d to the end of trial.The half-lives of triazophos were 4.45 d,1.56 d and 5.24 d in rice plant,water and soil respectively,which had significant differences(PPPPP<0.05).
- triazophos /
- residue /
- dissipation /
- movement /
- half-lives /
- rainfall

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参考文献(23)

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