Japanese Maple Problems…Coral Spot Nectria Canker

What is Coral Spot Nectria Canker? Coral Spot Nectria Canker is a fungal disease caused by the fungus Nectria cinnabarina. These opportunistic fungi typically attack trees and shrubs that have been weakened by stress or injuries like mechanical injury, storm damage, insect feeding, animal damage, pruning, disease, frost cracks, cold injury or drought damage. Once the fungi gain entry to the plant they cause the … Continue reading Japanese Maple Problems…Coral Spot Nectria Canker