Assessing the toxicity of thiamethoxam, in natural LUFA 2.2 soil, through three generations of Folsomia candida

In the field, long-term exposure is a rule rather than an exception. As a consequence, the relatively short-term standard toxicity tests may not be adequate for assessing long-term effects of pesticide exposure. This study determined the toxicity of the neonicotinoid thiamethoxam, both pure and in t...

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Veröffentlicht in:Ecotoxicology (London, England). - 1992. - 27(2018), 7 vom: 03. Sept., Seite 764-771
1. Verfasser: de Lima E Silva, Cláudia (VerfasserIn)
Weitere Verfasser: Mariette, Justine, Verweij, Rudo A, van Gestel, Cornelis A M
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2018
Zugriff auf das übergeordnete Werk:Ecotoxicology (London, England)
Schlagworte:Journal Article Actara® Multigeneration Natural soil Neonicotinoid Springtail Thiamethoxam Insecticides Soil Pollutants 747IC8B487
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520 |a In the field, long-term exposure is a rule rather than an exception. As a consequence, the relatively short-term standard toxicity tests may not be adequate for assessing long-term effects of pesticide exposure. This study determined the toxicity of the neonicotinoid thiamethoxam, both pure and in the formulation Actara® (25% active substance), to the springtail Folsomia candida, over three generations (P, F1 and F2). For the parental generation (P), the toxicity of pure thiamethoxam and Actara® did not differ significantly, with LC50s and EC50s of 0.32-0.35 and 0.23-0.25 mg a.s./kg dry soil, respectively. For the F1 and F2 generations, LC50s were >0.37 mg a.s./kg dry soil for both compounds. Actara was more toxic towards reproduction in the F1 generation (EC50 0.16 mg a.s./kg dry soil) than pure thiamethoxam (EC50 0.23 mg a.s./kg dry soil). For generation F2, there was no significant difference in the toxicity of the compounds towards reproduction, with EC50s of >0.37 and 0.30 mg a.s./kg dry soil for Actara® and pure thiamethoxam respectively. These results suggest a slight decrease in the toxicity of the compounds throughout the generations tested. The similarity in the toxicity of pure and formulated thiamethoxam indicates that the ingredients in the formulation Actara® do not enhance toxicity 
650 4 |a Journal Article 
650 4 |a Actara® 
650 4 |a Multigeneration 
650 4 |a Natural soil 
650 4 |a Neonicotinoid 
650 4 |a Springtail 
650 4 |a Thiamethoxam 
650 7 |a Insecticides  |2 NLM 
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650 7 |a Thiamethoxam  |2 NLM 
650 7 |a 747IC8B487  |2 NLM 
700 1 |a Mariette, Justine  |e verfasserin  |4 aut 
700 1 |a Verweij, Rudo A  |e verfasserin  |4 aut 
700 1 |a van Gestel, Cornelis A M  |e verfasserin  |4 aut 
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