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             Presentations: 
            1st day 
              
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             Guest speaker 
 
Potatoes South Africa (pdf) 
André Jooste, CEO 
  
            General papers 
 
Questions around the origin of Spongospora subterranea f.sp. subterranea (pdf) 
U. Merz 
 
The diseases of Solanum tuberosum caused by Spongospora subterranea: 
disrupted root function, root hyperplasia and powdery scab on tubers (pdf) 
R. Falloon 
 
Infection risk potential of South American Spongospora subterranea f.sp. subterranea inoculum (pdf) 
U. Merz 
            
              
        
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