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Effects of DCB, DCB-xylene Mixtures, Amitrol, and Sodium Salt of Dalapon in Irrigation Water on Corn and Rutabagas

Published online by Cambridge University Press:  12 June 2017

V. F. Bruns  and
J. H. Dawson
V. F. Bruns
Affiliation:
Crops Research Division, Agricultural Research Service, Irrigation Experiment Station, Prosser, Washington. The authors express their appreciation to C. E. Anderson, Agricultural Research Service, U.S. Department of Agriculture
J. H. Dawson
Affiliation:
Alf Hammer, State College of Washington, for their assistance in these investigations
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Extract

In tests conducted at Prosser, Washington, during 1955 and 1956, DCB (orthodichlorobenzene), alone or in combination with xylene, showed considerable promise for controlling submersed aquatic weeds when introduced into irrigation channels. The first objective of the experiment reported herein was to determine whether irrigation water treated with DCB or DCB-xylene mixtures would injure certain crop plants. In other tests amitrol (3–amino–1,2,4–triazole) and sodium salt of dalapon (sodium 2,2–dichloropropionate) were effective in controlling certain emergent aquatic and ditchbank weeds. Frequently, the application of herbicides to control such weeds results in inadvertent or unavoidable contamination of water used to irrigate crop plants. Consequently, a second objective of this investigation was to determine the approximate quantities of amitrol and sodium salt of dalapon required to injure certain crop plants when applied in irrigation water, and to study the symptoms of injury.

Type
Research Article
Information
Weeds , Volume 7 , Issue 3 , July 1959 , pp. 333 - 340
Copyright
Copyright © 1959 Weed Science Society of America 

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References

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