Effect of the insecticide Tanrec® on reproduction and vital activity of Daphnia magna Straus in a 15-day test

Papchenkova, G. A.; Makrushin, A. V.

doi:10.1134/s1995082913040123

Cited by 4 publications

(1 citation statement)

References 6 publications

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“…Imidacloprid and BPA, being the second-and third highest in terms of RQ, respectively, both have a determined RQ > 100. Unlike tamoxifen, their PNECs are comparatively higher (Fabbri et al, 2014;Papchenkova and Makrushin, 2013) and their median concentration in samples is also higher (2.1 ng/L in 1211 samples and 17.2 ng/L in 294 samples, respectively).…”

Section: Risk Assessment 331 Deterministic Risk Assessmentmentioning

confidence: 95%

Multi-parameter risk assessment of forty-one selected substances with endocrine disruptive properties in surface waters worldwide

2022

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Section: Risk Assessment 331 Deterministic Risk Assessmentmentioning

confidence: 95%

Multi-parameter risk assessment of forty-one selected substances with endocrine disruptive properties in surface waters worldwide

2022

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New piperidinium surfactants with carbamate fragments as effective adjuvants in insecticide compositions based on imidacloprid

Kushnazarova,

Mirgorodskaya,

Vasilieva

et al. 2024

Pest Management Science

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BACKGROUNDSurfactants, particularly non‐ionic ones, are widely used as adjuvants in pesticide formulations due to their ability to maintain pesticide effectiveness without changing solution properties, such as pH. While non‐ionic surfactants are generally low‐toxic, stable, and excellent dispersants with high solubilization capabilities, they may be less effective than cationic surfactants, which offer superior surface activity, transport properties, and antimicrobial action. This study investigates the efficacy of new piperidinium surfactants with carbamate fragments as adjuvants in insecticide formulations containing imidacloprid. The efficacy of these formulations is being assessed against greenhouse whitefly, a pest known to harm cultivated and ornamental flowering plants.RESULTSThe aggregation behavior of piperidinium surfactants containing carbamate fragments was investigated, and their wetting effect was evaluated. Synthesized surfactants have lower CMC values compared to their methylpiperidinium analogue. The effect of piperidinium surfactants on the insecticide concentration on the surface and inside tomato leaves was assessed using spectrophotometric methods. It was found that the introduction of piperidinium surfactants with carbamate fragment at a concentration of 0.1% wt. allows for decrease in lethal concentration of imidacloprid up to 10 times, thereby testifying the marked increase in the effectiveness of imidacloprid against the greenhouse whitefly insect pest (Trialeurodes vaporariorum). It was shown that the main factors responsible for the enhanced efficacy of the insecticide were the ability of the surfactant to increase the concentration of imidacloprid on the leaf surfaces and improve their penetration into the plant.CONCLUSIONThe presented work employed a comprehensive approach, which significantly increases the generalizability of the results obtained and provides the ability to predict the effect and target selection of adjuvants. © 2024 Society of Chemical Industry.

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The risk of neonicotinoid exposure to shrimp aquaculture

et al. 2019

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Effect of the insecticide Tanrec® on reproduction and vital activity of Daphnia magna Straus in a 15-day test

Cited by 4 publications

References 6 publications

Multi-parameter risk assessment of forty-one selected substances with endocrine disruptive properties in surface waters worldwide

Multi-parameter risk assessment of forty-one selected substances with endocrine disruptive properties in surface waters worldwide

New piperidinium surfactants with carbamate fragments as effective adjuvants in insecticide compositions based on imidacloprid

The risk of neonicotinoid exposure to shrimp aquaculture

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