Review of Literature on TFM (3-trifluoromethyl-4-nitrophenol) as a Lamprey Larvicide [with List of References] PDF Download
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Category : Fishes
Languages : en
Pages : 31
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![Review of Literature on TFM (3-trifluoromethyl-4-nitrophenol) as a Lamprey Larvicide [with List of References] PDF](https://books.google.com/books/content/images/frontcover/AdpznQAACAAJ?fife=w80-h100)
Author:
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ISBN:
Category : Fishes
Languages : en
Pages : 31
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Author: Rosalie A. Schnick
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Category : Fishes
Languages : en
Pages : 0
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Author:
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Category :
Languages : en
Pages : 31
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Author: Rosalie A. Schnick
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Category :
Languages : en
Pages : 31
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Author: T. D. Bills
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Category : Aquatic invertebrates
Languages : en
Pages : 22
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Category : Fishery management
Languages : en
Pages : 22
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Author: Ronald J. Scholefield
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Category : Lampreys
Languages : en
Pages : 13
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Author: Verdel K. Dawson
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ISBN:
Category : Fishes
Languages : en
Pages : 13
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The lampricide activity 3-trifluoromethyl-4-nitrophenol (TFM) was tested under controlled laboratory conditions to evaluate factors which may influence the efficacy of the chemical. TFM was tested at temperatures of 7, 12, 17 and 22 degrees Centigrade, total water hardnesses of 12, 44, 170 and 300 mg/liter as CaCO3, and pH's of 6.5, 7.5, 8.5 and 9.0. TFM is an effective lampricide. It is more effective against larvae of the sea lamprey than against embryos and prolarval stages and slightly more effective against larvae of sea lampreys than against those of the American brook lamprey. Efficacy of the lampricide is affected very little by temperature, but is reduced in hard water, especially at high pH's. High pH decreases the activity of TFM and has the greatest influence on toxicity of any of the factors investigated. TFM is slightly more effective against exposed (Free-swimming) larvae than against those in burrows.
Author: Alan W. Maki
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ISBN:
Category : Lampreys
Languages : en
Pages : 366
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Author: Verdel K. Dawson
Publisher:
ISBN:
Category : Dichloronitrosalicylanilide
Languages : en
Pages : 27
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The lampricidal effects of 3-trifluoromethyl-4-nitrophenol (TFM), 2',5-dichloro-4'-nitrosalicylanilide (Bayer 73), and a 98:2 mixture of the two (TFM:2B) were tested against larvae of the sea lamprey under controlled laboratory conditions. The lampricides were tested in water temperatures of 7, 12, and 17 degrees Centigrade; total hardnesses of 44, 170, and 300 mg/liter as CaCO3; and pH's of 6.5, 7.5, and 8.5. Temperature had little influence on the toxicity of the lampricides, the effect of Bayer 73 was slowed in cold water. Water hardness did not significantly influence the activity of the 98:2 mixture. The toxicities of TFM, Bayer 73, and TFM:2B were significantly reduced in water of high pH. Burrowed sea lamprey larvae were less vulnerable to TFM, Bayer 73, and TFM:2B than were free-swimming larvae. TFM and TFM:2B were selective for free-swimming lampreys over the nontarget organisms used for comparison, but the margin of safety for nontarget organisms over burrowed sea lampreys was narrow.
