Solanum tuberosum (potato) infected with Phytophthera infestans (blight)

c. 1890

Historical Brendel Model, Botany Department, University of Otago

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This Brendel model depicts a potato (Solanum tuberosum) skin infected with blight – Phytophthera infestans. This fungal organism (shown here as a light green tendril) turns potatoes to mush and was responsible for the Great Famine which devastated Ireland in the mid-19th century.