Pacific Pests and Pathogens Pacific Pests & Pathogens - Mini Fact Sheet Edition

Potato powdery scab (294) Print Fact Sheet

Summary

Common Name

Powdery scab

Scientific Name

Spongospora subterranea f.sp. subterranea. It is a member of the family Plasmodiophoraceae, the same family as that of Plasmodiophora brassicae, the cause of club root of brassicas (see Fact Sheet no. 283). Like Plasmodiophora brassicae, powdery scab belongs to a group called rhizaria in the Kingdom Protista; they are related to slime moulds.


AUTHOR Grahame Jackson 
Information from Diseases of vegetable crops in Australia (2010). Editors, Denis Persley, Tony Cooke, Susan House. CSIRO Publishing; and from Powdery scab (2016) Wikipedia. (https://en.wikipedia.org/wiki/Powdery_scab). Photos 1-3 Sandra Jensen, Cornell University, Bugwood.org. Diagram Steven B Johnson (2002) Bulletin No. 2436, Powdery Scab of Potatoes. The University of Maine. (https://extension.umaine.edu/publications/2436e/).

Produced with support from the Australian Centre for International Agricultural Research under project PC/2010/090: Strengthening integrated crop management research in the Pacific Islands in support of sustainable intensification of high-value crop production, implemented by the University of Queensland and the Secretariat of the Pacific Community. 



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