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Toxic Effects of Acetochlor on Mortality, Reproduction and Growth of Caenorhabditis elegans and Pristionchus pacificus

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Abstract

The effects of acetochlor on the mortality, growth and reproduction of two nematode species were assessed. The LC50 values for Caenorhabditis elegans and Pristionchus pacificus were 1,296 and 210.7 mg/L at 24 h, and 540.0 and 126.4 mg/L at 48 h exposure, respectively. In three succession generations, reproductive capacity was more sensitive in P. pacificus than in C. elegans. Moreover, the sublethal test endpoint of final length was more sensitive with P. pacificus. This study suggested that acetochlor had no long-term effects on C. elegans at lower concentrations. The higher concentrations of acetochlor (from 40 to 160 mg/L) revealed sublethal toxicity to the two tested species, with P. pacificus being more sensitive than C. elegans.

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Acknowledgments

This research was financially supported by the Science and Technology Project of Liaoning Province (No. 2009403053) and the Knowledge Innovation Program of the Chinese Academy of Sciences (Project No. KZCX2-YW-QN403).

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Authors and Affiliations

  1. State Key Laboratory of Forest and Soil Ecology, Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang, 110164, China

    Jingnan Zhang, Wenju Liang, Xia Wu, Siwei Jiang & Qi Li

  2. Bioengineering Department, Zhengzhou University, Zhengzhou, 450001, China

    Jingnan Zhang

  3. Graduate University of Chinese Academy of Sciences, Beijing, 100049, China

    Jingnan Zhang & Xia Wu

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  1. Jingnan Zhang
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  2. Wenju Liang
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  3. Xia Wu
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  4. Siwei Jiang
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  5. Qi Li
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Correspondence to Qi Li.

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Zhang, J., Liang, W., Wu, X. et al. Toxic Effects of Acetochlor on Mortality, Reproduction and Growth of Caenorhabditis elegans and Pristionchus pacificus . Bull Environ Contam Toxicol 90, 364–368 (2013). https://doi.org/10.1007/s00128-012-0915-1

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  • DOI: https://doi.org/10.1007/s00128-012-0915-1

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