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噻虫嗪在农田土壤中环境行为的研究进展
刘 娟1, 张乃明2
1.云南农业大学植物保护学院;2.云南农业大学资源与环境学院
摘要:
噻虫嗪是当前全球销售量最大的新烟碱类农药之一。随着噻虫嗪在农业生产中的广泛使用,噻虫嗪在土壤环境中的迁移转化和归宿问题开始成为研究热点。本文总结了噻虫嗪在农田土壤中的残留、降解、吸附以及迁移与淋溶等环境行为及主要影响因素,系统综述了噻虫嗪对土壤微生物以及土壤动物(蚯蚓、蚂蚁等)的影响,并针对噻虫嗪在农田土壤中环境行为相关研究存在的不足提出了未来研究应该关注的重点和方向,以期为噻虫嗪的科学安全使用以及保障农田土壤生态系统健康提供科学依据。
关键词:  噻虫嗪  生物毒性  农田土壤  残留  环境行为
DOI:10.13758/j.cnki.tr.2020.05.003
分类号:S154.1
基金项目:国家重点研发计划项目(2016YFD0201208-2)资助。
A Review on Environmental Behavior of Tthiamethoxam in Farmland Soils
LIU Juan1, ZHANG Naiming2
1.College of Plant Protection, Yunnan Agricultural University;2.College of Resource and Environmental Science, Yunnan Agricultural University
Abstract:
Thiamethoxam is one of the most widely sold new nicotine pesticides in the world. With the widespread use of thiamethoxam in agricultural production, the problems of migration, transformation and the eventual fate of thiamethoxam in soil environment have become a research hotspot. In this paper, the environmental behavior of thiamethoxam in agricultural soils, such as residue, degradation, adsorption, migration and leaching, and the main influencing factors were summarized, the effects of thiamethoxam on soil microorganisms and soil animals (earthworms, ants, etc.) were systematically reviewed. In view of the deficiency of the study on the environmental behavior of thiamethoxam in agricultural soil, the key points and directions that should be concerned in the future research are proposed. this review can provide scientific basis for the safe use of thiamethoxam and the health of agricultural soil ecosystem.
Key words:  Thiamethoxam  Biological toxicity  Agricultural soil  Residue  Adsorption  Leaching

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