BIOPHOTO ASSOCIATES / SCIENCE PHOTO LIBRARY BIOPHOTO ASSOCIATES / SCIENCE PHOTO LIBRARY
Colour enhanced scanning electron micrograph (SEM) of Erysiphe graminis f. hordei fungus (also called Blumeria graminis) on a barley leaf. Shown here are the radiating hyphae and developing conidiospores. This is powdery mildew. Magnification: 480x.
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