https://www.rhs.org.uk/disease/tar-spot-of-maple
Tar spot creates large black leaf spots on maples. Learn why it occurs and how to manage this fungal disease.
tar spotmaplesymptomscontrolrhs
https://www.corteva.com/us/Resources/inputs-and-insights/feld-facts-tar-spot.html
Learn more about the life cycle of tar spot and how to best manage against this disease in cornfields.
tar spotcorteva agrisciencefieldfactsinputs