A riker mount containing Black rot of grapevine (Guignardia bidwellii) on Vitis amurensis Rupr. (Amur grape). Specimen collected on grid location Q59/01-11 at The Morton Arboretum.
These specimens are available for checkout via the Plant Pathology Lab of The Morton Arboretum. For more information, fill out the form here
and an Arboretum staff member will contact you.