Phytophthora ramorum sporulating on edge of bay leaf disk, 7 days after inoculation. Abundant sporangia and chlamydospores are present. Mature chlamydospores are amber-colored.
Photomicrographs by Dr. Jennifer L. Parke, Associate Professor (Research) Department of Botany and Plant Pathology
& Department of Crop and Soil Science Oregon State University, Corvallis, OR 97331
