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Control of Alligatorweed in South Carolina with Granular Silvex

Published online by Cambridge University Press:  12 June 2017

Frank B. McGilvrey  and
John H. Steenis
Frank B. McGilvrey
Affiliation:
Bureau of Sport Fisheries and Wildlife, U. S. Fish and Wildlife Service, Patuxent Wildlife Research Center, Laurel, Maryland
John H. Steenis
Affiliation:
Bureau of Sport Fisheries and Wildlife, U. S. Fish and Wildlife Service, Patuxent Wildlife Research Center, Laurel, Maryland
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Abstract

Silvex, [2-(2,4,5-trichlorophenoxy)propionic acid], impregnated (20% ae) on clay granules, applied at a rate as low as 20 lb/A ae gave excellent control of well-rooted alligatorweed [Alternanthera philoxeroides (Mart.) Grieb] growing in less than 18 inches of water. The 2-ethylhexyl ester of silvex was more effective than the potassium salt. Silvex was not effective on floating-mat alligatorweed or in water over 18 inches deep.

Type
Research Article
Information
Weeds , Volume 13 , Issue 1 , January 1965 , pp. 66 - 68
Copyright
Copyright © 1965 Weed Science Society of America 

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References

Literature Cited

1. Lynch, J. J., King, J. E., Chamberlain, T. K., and Smith, A. L. Jr. 1947. Effects of aquatic weed infestations on the fish and wildlife of the Gulf States. U. S. Department of the Interior, Fish and Wildlife Service, Special Scientific Report 39. 79 p.Google Scholar
2. McGilvrey, F. B. Jr., and Steenis, J. H. 1961. Granular silvex used for control of alligatorweed in South Carolina. Abstracts, Weed Soc. Am.: 65–66.Google Scholar
3. Steenis, J. H., Adams, D., and Wilson, K. A. 1958. Investigations on alligatorweed cotnrol. Abstracts, Weed Soc. Am.: 59.Google Scholar
4. Steenis, J. H. and McGilvrey, F. B. Jr. 1961. Environmental factors affecting control of alligatorweed. Proc. SWCC 14:289–292.Google Scholar
5. Weldon, L. W. 1960. A summary review of investigations on alligatorweed and its control. U. S. Dept. Agr., Agr. Res. Serv. CR 33–60. 41 p.Google Scholar