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Richard L. Gabrielson was born February 12, 1931, in Riverside, CA. He received his education at Riverside College, San Diego State College, and the University of California-Davis, where he earned a Ph.D. in plant pathology in 1960. During his graduate education, he received the Campbell Soup Research Fellowship. He joined the
faculty of Washington State University in 1960 and was stationed for his entire career at Western Washington Research and Extension Center in Puyallup, WA. In the early part of his career, he worked on diseases of several vegetable crops before beginning to concentrate on diseases of vegetable seed crops with special emphasis on seed-borne pathogens. He played a central role in the formation of NCR-100, the North Central Regional Committee on Seed-Borne Crucifer Diseases, and served as its first chair. NCR-100 prioritized research needs for seed-borne blackleg and black rot diseases of crucifers, encouraged interstate cooperation, and developed recommendations for control strategies. With colleague J. D. Maguire and assistance from the ISTA Plant Disease Committee Crucifer Working Group, he improved the 2, 4-D test for seed-borne blackleg disease (caused by Phoma lingam). Further work resulted in registration of a safe, effective eradicant seed treatment for P. lingam. In addition, Gabrielson
collected and incorporated several sources of resistance to downy mildew (caused by Peronospora parasitica) and clubroot (caused by Plasmodiophora brassicae) into breeding lines and developed precise resistance screening techniques for each. The discovery in 1991 of the black rot organism (Xanthomonas campestris pv. campestris) in several seed lots of western Washington-produced seed resulted in an aggressive research program to develop an eradicant seed treatment.
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