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首页> 外文期刊>International Journal of Environmental Research and Public Health >Synergistic Effects of Copper and Butylic Ester of 2,4-Dichlorophenoxyacetic Acid (Esternon Ultra) on Amphibian Embryos
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Synergistic Effects of Copper and Butylic Ester of 2,4-Dichlorophenoxyacetic Acid (Esternon Ultra) on Amphibian Embryos

机译：2,4-二氯苯氧基乙酸（Esternon Ultra）的铜和丁酯对两栖动物胚胎的协同作用

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摘要

Cu2+ and butylic ester of 2,4-Dichlorophenoxyacetic acid as Esternon Ultra (2,4-D) toxicity on Bufo arenarum embryos were evaluated by means of a short-term chronic toxicity test (AMPHITOX). The NOEC values for Cu and 2,4-D were 0.02 mg/L and 2 mg/L respectively. The toxicity profile curves for Cu and 2,4-D were reported. The interactions of the metal and the herbicide were evaluated by combined treatments with different concentrations of Cu and 2,4-D. Although in all cases, a synergistic effect between these chemicals was observed, the combination of concentrations exerting low level effects in isolated treatments resulted in more adverse embryonic survival. Considering that both products are extensively used in agroecosystems, this fact could be of concern for non target species like amphibians.
机译：2,4-二氯苯氧基乙酸的Cu2 +和丁酸酯作为Esternon Ultra（2,4-D）对Bufo arenarum胚胎的毒性通过短期慢性毒性试验（AMPHITOX）进行了评估。 Cu和2,4-D的NOEC值分别为0.02 mg / L和2 mg / L。报道了Cu和2，4-D的毒性曲线。金属和除草剂的相互作用是通过联合处理不同浓度的Cu和2,4-D来评估的。尽管在所有情况下都观察到了这些化学物质之间的协同作用，但浓度的组合在单独的治疗中发挥了低水平的作用，导致了更多不利的胚胎存活。考虑到这两种产品都广泛用于农业生态系统中，因此这一事实对于非目标物种（如两栖动物）可能会引起关注。

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