PMID: 9175499May 1, 1997Paper

Comparative sensitivity of Selenastrum capricornutum and Lemna minor to sixteen herbicides

Archives of Environmental Contamination and Toxicology
J F FairchildA R Carlson

Abstract

Aquatic plant toxicity tests are frequently conducted in environmental risk assessments to determine the potential impacts of contaminants on primary producers. An examination of published plant toxicity data demonstrates that wide differences in sensitivity can occur across phylogenetic groups of plants. Yet relatively few studies have been conducted with the specific intent to compare the relative sensitivity of various aquatic plant species to contaminants. We compared the relative sensitivity of the algae Selenastrum capricornutum and the floating vascular plant Lemna minor to 16 herbicides (atrazine, metribuzin, simazine, cyanazine, alachlor, metolachlor, chlorsulfuron, metsulfuron, triallate, EPTC, trifluralin, diquat, paraquat, dicamba, bromoxynil, and 2,4-D). The herbicides studied represented nine chemical classes and several modes of action and were chosen to represent major current uses in the United States. Both plant species were generally sensitive to the triazines (atrazine, metribuzin, simazine, and cyanazine), sulfonureas (metsulfuron and chlorsulfuron), pyridines (diquat and paraquat), dinitroaniline (trifluralin), and acetanilide (alachlor and metolachlor) herbicides. Neither plant species was uniformly more ...Continue Reading

Citations

Sep 28, 2007·Bulletin of Environmental Contamination and Toxicology·M Chrysayi-TokousbalidesP Anastasiadou
Nov 16, 2006·Archives of Environmental Contamination and Toxicology·Tomás HubálekCenek Novotný
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