Pieter van de Graaf
Pieter van de Graaf, Dutch plant pathologist. Achievements include research in epidemiology and control of clematis wilt and potato powdery scab; risk analysis and epidemiology of potato brown rot; discovery of new species, Phoma schneiderae; development of real-time polymerase chain reaction assay for Spongospora subterranea. Member of British Society Plant Pathology, Royal Netherlands Phytopath. Society.
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