Close-up of sporangia (football-shaped structures) and chlamydospores (larger, round, amber-colored structures), 7 days after inoculation of bay leaf disks. Note that some of the sporangia are empty, having already released zoospores.
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 |