Potato blight fungus sporangium, SEM

Potato blight fungus sporangium, SEM

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This image is part of the feature Most feared pests in agriculture

Credit: CLOUDS HILL IMAGING LTD/SCIENCE PHOTO LIBRARY

Caption: Potato blight fungus sporangium. Coloured scanning electron micrograph (SEM) of a sporangium (spore-producing structure) of the potato blight fungus (Phytophthora infestans). The sporangia form on the mycelium of the mould. They contain infectious zoospores that are released when mature. These swim in water films on potato plant leaves infecting new plants and potato tubers alike, causing the tissues to decay. This mould was responsible for the great Irish Potato famine of the mid-19th century.

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Keywords: biological, biology, colored, coloured, condition, disease, disorder, false-colored, false-coloured, fungal, fungus, infection, irish potato famine, microbiological, microbiology, mould, mycelium, mycology, phytophthora infestans, plant, potato blight fungus, reproduction, scanning electron micrograph, scanning electron microscope, sem, sporangium, spore-producing structure, zoospores

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