Powdery scab infection, light micrograph
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Powdery scab infection, light micrograph
Powdery scab infection. Light micrograph of a section through a potato infected with powdery scab (Spongospora subterranea), showing pustules and spores. S. subterranea is a cercozoan protist that infects and destroys tubers. It causes raised brown pustules (red) on the tuber skin, which breaks and curls back over the pustule to form a brown powdery mass of spore balls (brown). Here, the lesions have formed a cork layer under the epidermis (skin, blue). Magnification: x7 when printed 10 centimetres wide
Science Photo Library features Science and Medical images including photos and illustrations
Media ID 6339305
© DR KEITH WHEELER/SCIENCE PHOTO LIBRARY
Cork Diseased Epidermis Histological Histology Infected Infection Layer Layers Lesion Lesions Micro Organism Micro Organisms Parasite Parasitic Parasitism Parasitology Potato Protist Reproductive Structure Skin Spore Spores Structures Tuber Abnormal Cells Cercozoa Light Micrograph Light Microscope Micro Biology Microbiological Pustule Pustules Unhealthy
EDITORS COMMENTS
This print showcases the devastating effects of powdery scab infection on a potato. The light micrograph reveals a section through the infected tuber, exposing an intricate network of pustules and spores caused by Spongospora subterranea, a parasitic cercozoan protist. The image vividly portrays the destructive nature of this disease as raised brown pustules emerge on the potato's skin, eventually breaking and curling back to form a powdery mass of spore balls. The lesions have even formed a protective cork layer beneath the epidermis, emphasizing the severity of the infection. With its magnification at x7 when printed 10 centimeters wide, every detail is brought to life in this photograph. It serves as both an artistic representation and scientific documentation of how this abnormal growth affects plant biology. The presence of these parasitic organisms highlights their ability to infiltrate and destroy healthy tissues within plants like potatoes. This image not only captures the complexity of biological structures but also serves as a reminder that diseases can impact various aspects of our natural world. As we delve into microscopic realms with histological analysis using light microscopy techniques, we gain valuable insights into parasitism and its consequences for agricultural crops like potatoes. This print from Science Photo Library stands as evidence that understanding such infections is crucial for developing effective strategies to combat them in order to protect our food supply chains worldwide.
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