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Population Shift of Sphaerotheca fuliginea on Muskmelon from Race 2 to Race 1 in the Southeastern United States. Grover Sowell, Jr.,, Research Plant Pathologist, Agricultural Research Service, U.S. Department of Agriculture, Southern Regional Plant Introduction Station, Experiment, GA 30212. Plant Dis. 66:130-131. Accepted for publication 6 May 1981. This article is in the public domain and not copyrightable. It may be freely reprinted with customary crediting of the source. The American Phytopathological Society, 1982. DOI: 10.1094/PD-66-130.

The population of Sphaerotheca fuliginea on muskmelon at one location in Georgia changed from race 2 to race 1 during the period of 19691973. Race 1 apparently was the predominant race on muskmelon in most of the southeastern United States from 19741977.