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Dodder Control in Alfalfa by Dichlobenil

Published online by Cambridge University Press:  12 June 2017

J. H. Dawson
J. H. Dawson*
Affiliation:
Crops Research Division, Agr. Res. Serv U. S. Dep. of Agr., Irrigated Agriculture Research and Extension Center, Prosser, Washington
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Abstract

The herbicide, 2,6-dichlorobenzonitrile (dichlobenil), applied to the soil surface at 2 lb/A controlled dodder (Cuscuta spp.) and other weeds for 4 to 6 weeks in the field, and did not injure established alfalfa (Medicago sativa L.) significantly. Soil incorporation increased the herbicidal effect of dichlobenil on alfalfa and dodder, but alfalfa injury was increased more than dodder control. Dichlobenil was effective when applied just before sprinkler irrigation, or on moist soil after irrigating. In the greenhouse, dichlobenil vapors moved from a wettable powder formulation mixed with moist soil or from granules on the surface of moist soil, and killed dodder in adjacent untreated soil.

Type
Research Article
Information
Weed Science , Volume 18 , Issue 2 , March 1970 , pp. 225 - 230
Copyright
Copyright © 1970 Weed Science Society of America 

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References

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