Strategies for Detecting and Characterizing Systems for Biological Control of Soilborne Plant Pathogens. Robert G. Linderman, USDA-ARS, Horticultural Crops Research Laboratory, Corvallis, OR. Larry W. Moore, Oregon State University, Corvallis, Kenneth F. Baker, USDA-ARS (Collaborator), Horticultural Crops Research Laboratory, Corvallis, OR, Donald A. Cooksey, University of California, Riverside. Plant Dis. 67:1058. 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, 1983. DOI: 10.1094/PD-67-1058.