Full TGIF Record # 33811
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Publication Type:
i
Report
Author(s):Biever, Ronald C.; Giddings, Jeffrey M.; Kiamos, Maria; Annunziato, Maria F.; Meyerhoff, Roger; Racke, Kenneth
Author Affiliation:Springborn Laboratories, Wareham, MA 02571; Eli Lilly and Co., Indianapolis, IN; DowElanco, Indianapolis, IN.
Title:Effects of chlorpyrifos on aquatic microcosms over a range of off-target spray drift exposure levels
Meeting Info.:Briighton, England, November 21-24, 1994
Source:Brighton Crop Protection Conference - Pests and Diseases. Vol. 3, 1994, p. 1367-1372.
# of Pages:6
Publishing Information:Farnham, Surrey, England: British Crop Protection Council
Keywords:TIC Keywords: Chlorpyrifos; Pesticide safety; Environmental effects; Toxicity; Spray drift; Non-target effects; Chemical safety; Insecticide evaluation
Abstract/Contents:"To effectively assess the potential impacts of crop protection chemicals, it is important to determine the gradient of ecological responses over a range of possible exposure scenarios. Outdoor aquatic microcosms were sprayed with the organophosphorous insecticide chlorpyrifos to simulate off-target drift of 0.05% to 5% of a 1.12 kg Al/ha application rate (nominal water concentrations between 0.03 and 3(micro)g/L). The exposure-response relationships for plants, invertebrates, and fish were determined. Few significant ecological effects occurred at treatment levels corresponding to nominal chlorypyrifos concentrations of 0.03 or 0.1 (micro)g/L. Treatment at 0.3 (micro)g/L caused temporary reductions in many groups of invertebrates but fish were unaffected. Treatment at 1 (micro)g/L caused temporary, but longer lasting effects on invertebrates; slight decreases in fish mean length and total biomass were noted, whereas no impact on fish survival, mean weight, and biomass increase occurreed. The 3 (micro)g/L treatment caused persistent efffects on nearly all invertebrate taxa an significantly reduced fish survival."
Language:English
References:3
Note:Tables
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Biever, R. C., J. M. Giddings, M. Kiamos, M. F. Annunziato, R. Meyerhoff, and K. Racke. 1994. Effects of chlorpyrifos on aquatic microcosms over a range of off-target spray drift exposure levels. Brighton Crop Prot. Conf. Pests Dis. 3:p. 1367-1372.
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MSU catalog number: SB 951 .B7 1994 v.3
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