Browse wiki

Jump to: navigation, search
Disease:Powdery scab
Has Approval true  +
Has Author User:WikiSysop +
Has Description Tubers infected with powdery scab develop Tubers infected with powdery scab develop small purplish-brown pustules about 0.06 inch (1.5 mm) in diameter. The pustules typically become raised, brown, and wartlike as they enlarge to about 0.37 inch (9 mm) in diameter and rupture the tuber periderm. Powdery scab lesions on tubers may be confused with lesions of common scab, and laboratory confirmation of powdery scab is advised. Microscopic observation of mature powdery scab lesions typically reveals diagnostic dark brown spore balls of the causal fungus. In addition to tuber symptoms, S. subterranea causes galls on roots and stolons. Foliage symptoms have not been observed in California. toms have not been observed in California.
Has Name Powdery scab  +
Has Pathogen Species:Spongospora subterranea f. sp. subterranea +
Has Susceptible Species:Solanum tuberosum +
Has URL http://www.ipm.ucdavis.edu/PMG/r607100911.html  +
Is from DB false  +
Creation dateThis property is a special property in this wiki. 14 July 2011 17:56:03  +
Categories Diseases  +
Last editor isThis property is a special property in this wiki. User:Cepabot +
Modification dateThis property is a special property in this wiki. 9 April 2014 10:02:22  +
hide properties that link here 
Disease:Powdery scab#1 + Has Ref
Disease:Powdery scab#1 + PathogenDisease
 

 

Enter the name of the page to start browsing from.
Personal tools
Namespaces

Variants
Views
Actions
PRGDB
META-SPECIES
Wiki
Toolbox