氯氟氰菊酯
拟除虫菊酯
新烟碱
噻虫嗪
毒理
化学
毒性
杀虫剂
环境化学
生物
益达胺
有机化学
农学
作者
Felippe L Dalpiaz,Felippe L Dalpiaz,Felippe L Dalpiaz,Felippe L Dalpiaz,Felippe L Dalpiaz,Felippe L Dalpiaz,Felippe L Dalpiaz,Felippe L Dalpiaz,Felippe L Dalpiaz,Felippe L Dalpiaz
标识
DOI:10.1016/j.envpol.2024.124485
摘要
New mixtures of pesticides are being placed on the market to increase the spectrum of phytosanitary action. Thus, the eco(geno)toxic effects of the new commercial mixture named Platinum Neo, as well as its constituents the neonicotinoid Thiamethoxam and the pyrethroid Lambda-Cyhalothrin, were investigated using the species Daphnia magna, Raphidocelis subcapitata, Danio rerio, and Allium cepa L. The lowest- and no-observed effect concentration (LOEC and NOEC) were measured in ecotoxicological tests. While Thiamethoxam was ecotoxic at ppm level, Lambda-Cyhalothrin and Platinum Neo formulation were ecotoxic at ppb level. The mitotic index (MI), chromosomal aberrations and micronucleus [MN] frequency were measured as indicators of phytogenotoxicity in A. cepa plants exposed for 12 hours to the different insecticides and their mixture under different dilutions. There were significant alterations in the MI and MN frequency in comparison with the A. cepa negative control group, with Thiamethoxam, Lambda-Cyhalothrin, and Platinum Neo treatments all significantly reducing MI and increasing MN frequency. Thus, MI reduction was found at 13.7 mg L
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