Development of a Simplified PCR ‐Nucleic Acid Lateral Flow Immunoassay ( PCR ‐ NALFIA ) for Cryptostroma corticale , the Causal Agent of Sooty Bark Disease

ABSTRACT Sooty bark disease (SBD), caused by the fungus Cryptostroma corticale , is causing a widespread outbreak on sycamore maple in Europe and is presently emerging as a threat to urban and native maple trees in the Pacific Northwest. Rising temperatures and prolonged drought conditions probably