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R411 Potato Diagnostics

Publication Date: 
18 August 2011
Author/Contact :
Author/Contact: 
Stuart Wale

Contractor :
Contractor: 
SAC, JHI, FERA

Full Research Project Title: Extending the scope of modern potato diagnostics and their interpretation
Duration: July 2008 - August 2009

Aim: To improve the interpretation of diagnostic test results for Rhizoctonia solani and Spongospora subterranea

This project seeks to extend the commercialisation and interpretation of diagnostic tests for specific soil- and tuber-borne diseases. It builds on two successful previous projects -on black dot and the development of diagnostic tests. The project consists of four modules, each of which will enhance the diagnostic tests already developed. The first module relates to proficiency testing of labs offering diagnostic services.The second module relates to soil sampling for soil-borne R. solani. Previous work has indicated that whilst diagnostic tests can accurately detect the pathogen, the soil sampling procedures currently used may not be suitable. The third module is part of a European-wide project looking at infection of potato by Spongospora subterranea, which causes powdery scab,  in relation to variety and environmental conditions. Results from this module of the project will enhance interpretation of the soil test for powdery scab. The final module of the project will investigate the potential for multiplexing tests for soil-borne potato pathogens, thus improving efficiency of testing with resultant reductions in cost.

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