Evaluation of Several Commercial Algicides for Control of Odor-producing Cyanobacteria

Schrader, Kevin K. (2005) Evaluation of Several Commercial Algicides for Control of Odor-producing Cyanobacteria. Journal of Aquatic Plant Management, 43, pp. 100-102.

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The production of certain odorous metabolites is an undesirable attribute of cyanobacteria (blue-green algae) growth in aquaculture ponds [e.g., channel catfish(Ictalurus punctatus)] and in drinking water reservoirs. The most common odorous compounds encountered in catfish aquaculture are geosmin (trans-1,10-dimethyltrans-9-decalol) and 2-methylisoborneol(exo-1,2,7,7-tetramethylbicyclo[2.2.1]heptan-2-ol). These compounds are also frequently encountered worldwide in reservoirs and aqueducts used for municipal drinking water systems(Schrader et al. 2002). In this study, several algicides were evaluated using a rapid bioassay to determine their effectiveness in controlling the MIB-producing cyanobacterium Oscillatoria perornata from a west Mississippi catfish pond and the MIBproducing Pseudanabaena sp. (strain LW397) from Lake Whitehurst, Virginia, used as a city water supply reservoir. The cyanobacterium Oscillatoria agardhii , not a MIB-producer, and the green alga Selenastrum capricornutum , found in catfish ponds in the southeastern United States, were included in the bioassay to help determine potential broad-spectrum toxicity of the commercial products. (PDF has 3 pages.)

Item Type: Article
Title: Evaluation of Several Commercial Algicides for Control of Odor-producing Cyanobacteria
Personal Creator/Author:
Schrader, Kevin K.
Refereed: Yes
Journal or Publication Title: Journal of Aquatic Plant Management
Volume: 43
Page Range: pp. 100-102
Date: 2005
Latitude: 36.9101
Longitude: -76.1866
Issuing Agency: Aquatic Plant Management Society, Inc.
Additional Information: In the NOTES section
Uncontrolled Keywords: MIB-producing cyanobacterium; Oscillatoria perornata; Mississippi; catfish ponds; Pseudanabaena sp. (strain LW397); Lake Whitehurst; Virginia, reservoirs; Oscillatoria agardhii; Selenastrum capricornutum
Subjects: Management
Item ID: 1616
Depositing User: Stephanie Haas
Date Deposited: 06 Nov 2008 00:29
Last Modified: 29 Sep 2011 20:17
URI: http://aquaticcommons.org/id/eprint/1616

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