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Herbicide Suppression of Bean Root and Hypocotyl Rot in Wisconsin. D. J. Hagedorn, Professor of Plant Pathology, University of Wisconsin, Madison 53706. L. K. Binning, Professor of Horticulture, University of Wisconsin, Madison 53706. Plant Dis. 66:1187-1188. Accepted for publication 20 April 1982. Copyright 1982 American Phytopathological Society. DOI: 10.1094/PD-66-1187.

Root and hypocotyl rot of bean (Phaseolus vulgaris) was suppressed significantly by preplant incorporation of the herbicide dinoseb at the rate of 6.7 kg/ha as indicated by disease severity reductions and yield increases. Other treatments using dinoseb at 10.1 kg/ha and at the lower rate in combination with trifluralin were also effective, but treatments with trifluralin alone were not as beneficial.