Abstract
AbstractChestnut blight is a stem‐girdling disease ofCastaneacaused by the fungal pathogenCryphonectria parasitica. Chestnut blight affects allCastaneaspecies to some degree. In Asian species, chestnut blight is a commercially relevant disease which primarily affects nut production. In American and European species, chestnut blight has caused significant declines in wild populations and continues to negatively affect nut production in the European chestnut (C. sativa). Despite the profound effect of this disease in theCastaneagenus, very little is known concerning the factors involved in the host–pathogen interaction betweenC. parasiticaand itsCastaneahosts. This review summarizes information on known mechanisms and metabolites involved in the host–pathogen interaction and contributes original information on the pathogen in relation to susceptible and putatively resistant genotypes with a view to furthering research that will promote a better understanding of this devastating disease and enable its control.
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