Soil microbial degradation of neonicotinoid insecticides imidacloprid, acetamiprid, thiacloprid and imidaclothiz and its effect on the persistence of bioefficacy against horsebean aphid <i>Aphis craccivora</i> Koch after soil application

Z, Liu; Dai, Yinming; Huang, Guodong; Gu, Yating; Ni, Jie; Wei, Hua; Yuan, Sheng

doi:10.1002/ps.2174

Cited by 125 publications

(81 citation statements)

References 29 publications

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“…Lacombe (1999) stated that acetamiprid, the new neurotoxic insecticide belonging to the chloronicotinyl family, is well adapted for orchard protection, with its rapid shock action and persistence (longer than 3 weeks), good control with acetamiprid against the Archives of Phytopathology and Plant Protection 367 main aphids present in pome fruits, stone fruits and citrus (in particular Dysaphis plantaginea, Aphis pomi, and Myzus persicae); it is regularly obtained, equal to or better than standard products. Many authors tested the toxicity of acetamiprid on different aphid species under laboratory and field conditions (Chinnabbai et al 1999;Franco 1999;Chalam et al 2003;Foster et al 2003;Hohn et al 2003;Liu et al 2011;Shi et al 2011). The results indicated that acetamiprid was highly effective for the control of different aphids.…”

Section: Introductionmentioning

confidence: 89%

Toxicity and persistence of selected neonicotinoid insecticides on cowpea aphid,Aphis craccivoraKoch (Homoptera: Aphididae)

Abd-Ella

2013

Archives Of Phytopathology And Plant Protection

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Field strain of cowpea aphid, Aphis craccivora Koch, was treated by selected neonicotinoid insecticides to evaluate their toxicity and persistence against this pest in Assiut governorate, Egypt. Under faba bean field conditions, acetamiprid, imidacloprid, thiamethoxam and dinotefuran registered significantly high percent reduction of the pest at one, seven, fifteen and 21 post treatment. The residual effects of these insecticides showed that the LT 50 for acetamiprid, imidacloprid, thiamethoxam and dinotefuran were 5.8, 6.2, 6.95 and 4.2 days, respectively. The application of these insecticides on the cowpea aphid under field conditions induced yield increases. The toxicity of these neonicotinide insecticides were tested against field strain of cowpea aphids using leaf-dib bioassay under field and laboratory conditions. The toxicity index showed that thiamethoxam, acetamiprid and imidacloprid have the highest aphicidal activity, with LC 50s 0.60, 0.71 and 1.16 mg/L, respectively, while dinotefuran was the least toxic one with LC 50 23.41 mg/L. Results of this study indicated that neonicotinoid insecticides were highly effective against cowpea aphid under field and laboratory conditions.

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Section: Introductionmentioning

confidence: 89%

Toxicity and persistence of selected neonicotinoid insecticides on cowpea aphid,Aphis craccivoraKoch (Homoptera: Aphididae)

Abd-Ella

2013

Archives Of Phytopathology And Plant Protection

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“…Imidaclothiz is transformed in unsterilized soils into the olefin, nitroso, or guanidine derivatives following a degradation pathway which is analogous to that of imidacloprid at the nitroguanidine moiety (Liu et al 2011).…”

Section: New Moleculesmentioning

confidence: 99%

An update of the Worldwide Integrated Assessment (WIA) on systemic insecticides. Part 1: new molecules, metabolism, fate, and transport

Giorio

Safer

Sánchez‐Bayo

et al. 2017

Environ Sci Pollut Res

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With the exponential number of published data on neonicotinoids and fipronil during the last decade, an updated review of literature has been conducted in three parts. The present part focuses on gaps of knowledge that have been addressed after publication of the Worldwide Integrated Assessment (WIA) on systemic insecticides in 2015. More specifically, new data on the mode of action and metabolism of neonicotinoids and fipronil, and their toxicity to invertebrates and vertebrates, were obtained. We included the newly detected synergistic effects and/or interactions of these systemic insecticides with other insecticides, fungicides, herbicides, adjuvants, honeybee viruses, and parasites of honeybees. New studies have also investigated the contamination of all environmental compartments (air and dust, soil, water, sediments, and plants) as well as bees and apicultural products, food and beverages, and the exposure of invertebrates and vertebrates to such contaminants. Finally, we review new publications on remediation of neonicotinoids and fipronil, especially in water systems. Conclusions of the previous WIA in 2015 are reinforced; neonicotinoids and fipronil represent a major threat worldwide for biodiversity, ecosystems, and all the services the latter provide.

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“…[2] If the intermediate metabolites are more toxic to pest insects, they may enhance the bioefficacy of the parent pesticide, which reduces the original applied dosage of pesticide required and therefore decreases its residue in the environment. [3] Neonicotinoids are one of the most important and popular chemical classes of insecticides introduced to the global market. Imidacloprid, 1-(6-chloro-3-pyridylmethyl)-N-nit roimidazolidin-2-ylideneamine (IMI, Fig.…”

Section: Introductionmentioning

confidence: 99%

Co-metabolic transformation of the neonicotinoid insecticide imidacloprid by the new soil isolatePseudoxanthomonas indicaCGMCC 6648

Zhai

Mao

et al. 2014

Journal of Environmental Science and Health, Part B

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A new imidacloprid (IMI) degrading bacterium Z-9 (deposited number CGMCC 6648) was isolated and identified as Pseudoxanthomonas indica by 16S rRNA gene analysis. Two metabolites were identified as olefin and 5-hydroxy IMI by liquid chromatography-mass spectrometry and nuclear magnetic resonance analysis. P. indica CGMCC 6648 degraded 70.1% of IMI (1.22 mmol L(-1)) and formed 0.93 mmol L(-1) 5-hydroxy IMI and 0.05 mmol L(-1) olefin IMI in 6 days and in the presence of 100 mmol L(-1) glucose. The half-life of IMI degradation was 3.6 days. P. indica CGMCC 6648 transforms IMI via a co-metabolism mechanism and different carbohydrates have significant effects on 5-hydroxy IMI formation, whereas different organic acids have substantial effects on olefin IMI production. Lactose is the best co-substrate for IMI degradation and 5-hydroxy IMI formation with 0.77 mmol L(-1) degraded and 0.67 mmol L(-1) formed in 48 h, respectively. Pyruvate is the best co-substrate for olefin IMI formation with 0.17 mmol L(-1) produced in 96 h for all carbon sources tested. Pyruvate significantly stimulates the conversion of 5-hydroxy IMI to olefin IMI, whereas glucose slightly inhibits this reaction. P. indica CGMCC 6648 rapidly degrades IMI and forms olefin IMI, which may enhance its potential for biodegradation of IMI and increase its insecticidal activity, which can decrease the IMI dosage required.

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Soil microbial degradation of neonicotinoid insecticides imidacloprid, acetamiprid, thiacloprid and imidaclothiz and its effect on the persistence of bioefficacy against horsebean aphid Aphis craccivora Koch after soil application

Abstract: Soil microbial activity played a key role in the bioefficacy persistence of neonicotinoid insecticides and therefore significantly affected their technical profile after soil application.

Cited by 125 publications

References 29 publications

Toxicity and persistence of selected neonicotinoid insecticides on cowpea aphid,Aphis craccivoraKoch (Homoptera: Aphididae)

Toxicity and persistence of selected neonicotinoid insecticides on cowpea aphid,Aphis craccivoraKoch (Homoptera: Aphididae)

An update of the Worldwide Integrated Assessment (WIA) on systemic insecticides. Part 1: new molecules, metabolism, fate, and transport

Co-metabolic transformation of the neonicotinoid insecticide imidacloprid by the new soil isolatePseudoxanthomonas indicaCGMCC 6648

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