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Influence of Simazine on Apparent Photosynthesis of Aquatic Plants and Herbicide Residue Removal from Water

Published online by Cambridge University Press:  12 June 2017

David L. Sutton ,
D. A. Durham ,
S. W. Bingham  and
C. L. Foy
David L. Sutton
Affiliation:
Department of Plant Pathology and Physiology, Virginia Polytechnic Institute, Blacksburg
D. A. Durham
Affiliation:
Department of Plant Pathology and Physiology, Virginia Polytechnic Institute, Blacksburg, Virginia
S. W. Bingham
Affiliation:
Department of Plant Pathology and Physiology, Virginia Polytechnic Institute, Blacksburg
C. L. Foy
Affiliation:
Department of Plant Pathology and Physiology, Virginia Polytechnic Institute, Blacksburg
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Abstract

Simazine (2-chloro-4,6-bis(ethylamino)-s-triazine) at 0.12 to 1.0 ppmw in nutrient cultures of common duckweed (Lemna minor L.), elodea (Elodea canadensis Michx.), and parrotfeather (Myriophyllum brasiliense Camb.) inhibited oxygen evolution within 24 hr. Of the plants studied, the submersed form of parrotfeather exhibited the greatest reduction in apparent photosynthesis as measured by dissolved oxygen in the water. Simazine in nutrient culture without plants remained relatively stable during the treatment period; a slight, but not significant, diminution of chemical was detected after 4 days. Each species, elodea or emersed parrotfeather, reduced the concentration of simazine in solution within 48 hr after treatment.

Type
Research Article
Information
Weed Science , Volume 17 , Issue 1 , January 1969 , pp. 56 - 59
Copyright
Copyright © 1969 Weed Science Society of America 

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References

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