2023

Pest Management Science

Rocznik: 2023 | Tom: vol. 79 | Numer: iss. 10

artykuł naukowy

angielski

EN Background Growing concern for the protection of the environment and existing ecosystems has resulted in increasing consideration of phytotoxicity tests as valid ecotoxicological indicators of the potential hazards of the use of ionic liquids (ILs) or any other chemical. The objective of this study was to gain a detailed understanding of the influence of the solvent composition of spray solutions on the phytotoxic effect of foliar application of ionic pairs with weak (choline 2,4-dichlorophenoxyacetate, [Chol][2,4-D]), medium (N-hexylcholine 2,4-dichlorophenoxyacetate, [C6Chol][2,4-D]) and good (N-dodecylcholine 2,4-dichlorophenoxyacetate, [C12Chol][2,4-D]) surface-active properties. Results Experimental results unambiguously demonstrated that the biological activity of the test salt solutions, particularly [Chol][2,4-D] and [C6Chol][2,4-D], can be strongly affected by the addition of an organic solvent, such as methanol, ethanol, dimethylformamide (DMF) or dimethylsulfoxide (DMSO) compared to solutions in pure water. However, the observed tendency is less pronounced for the compound exhibiting good surface activity, [C12Chol][2,4-D]. Conclusions The collected findings show that caution is warranted in the exploitation or modification of methodologies for assessing phytotoxicity to ensure the reliable interpretation of obtained results for environmental risk assessment or building quantitative structure–activity relationship (QSAR) models. © 2023 Society of Chemical Industry.

14.05.2023

3602 - 3610

10.1002/ps.7543

https://onlinelibrary.wiley.com/doi/10.1002/ps.7543

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