R.O. HamptonU.S. Department of Agriculture, Agricultural Research Service, Department of Botany and Plant Pathology, Oregon State University, Corvallis, OR 97331
James R. BaggettDepartment of Horticulture, Oregon State University, Corvallis, OR 97331
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R.O. Hampton
R.O. HamptonU.S. Department of Agriculture, Agricultural Research Service, Department of Botany and Plant Pathology, Oregon State University, Corvallis, OR 97331
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