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

Research output: Contribution to JournalArticleAcademicpeer-review

Abstract

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.

LanguageEnglish
Pages764-771
Number of pages8
JournalEcotoxicology
Volume27
Issue number7
DOIs
Publication statusPublished - 1 Sep 2018

Fingerprint

thiamethoxam
Candida
Toxicity
Soil
toxicity
Soils
soil
Reproduction
Toxicity Tests
Poisons
Pesticides
toxicity test
pesticide

Keywords

  • Actara®
  • Multigeneration
  • Natural soil
  • Neonicotinoid
  • Springtail
  • Thiamethoxam

Cite this

@article{9569ad4f5e424ae5bf87ff2187704d0d,
title = "Assessing the toxicity of thiamethoxam, in natural LUFA 2.2 soil, through three generations of Folsomia candida",
abstract = "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{\circledR} (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{\circledR} 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{\circledR} 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{\circledR} do not enhance toxicity.",
keywords = "Actara{\circledR}, Multigeneration, Natural soil, Neonicotinoid, Springtail, Thiamethoxam",
author = "{de Lima E Silva}, Cl{\'a}udia and Justine Mariette and Verweij, {Rudo A.} and {van Gestel}, {Cornelis A.M.}",
year = "2018",
month = "9",
day = "1",
doi = "10.1007/s10646-018-1922-8",
language = "English",
volume = "27",
pages = "764--771",
journal = "Ecotoxicology",
issn = "0963-9292",
publisher = "Springer Netherlands",
number = "7",

}

Assessing the toxicity of thiamethoxam, in natural LUFA 2.2 soil, through three generations of Folsomia candida. / de Lima E Silva, Cláudia; Mariette, Justine; Verweij, Rudo A.; van Gestel, Cornelis A.M.

In: Ecotoxicology, Vol. 27, No. 7, 01.09.2018, p. 764-771.

Research output: Contribution to JournalArticleAcademicpeer-review

TY - JOUR

T1 - Assessing the toxicity of thiamethoxam, in natural LUFA 2.2 soil, through three generations of Folsomia candida

AU - de Lima E Silva, Cláudia

AU - Mariette, Justine

AU - Verweij, Rudo A.

AU - van Gestel, Cornelis A.M.

PY - 2018/9/1

Y1 - 2018/9/1

N2 - 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.

AB - 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.

KW - Actara®

KW - Multigeneration

KW - Natural soil

KW - Neonicotinoid

KW - Springtail

KW - Thiamethoxam

UR - http://www.scopus.com/inward/record.url?scp=85044789982&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=85044789982&partnerID=8YFLogxK

U2 - 10.1007/s10646-018-1922-8

DO - 10.1007/s10646-018-1922-8

M3 - Article

VL - 27

SP - 764

EP - 771

JO - Ecotoxicology

T2 - Ecotoxicology

JF - Ecotoxicology

SN - 0963-9292

IS - 7

ER -