HOST PLANTS: Chinese, Persian, Japanese Ivory Silk Lilacs and common lilacs. DAMAGE: Young shoots rapidly turn black, wilt, and die; flowers darken and die. Leaf spots that are brown, water-soaked or black spots. Twigs may develop dark, sunken streaks, leading to...
HOST PLANTS: Bacterial wetwood/slime flux is host to Maple trees, Elm trees, Oak trees, Tulip trees and Poplar trees. DAMAGE: Many mature trees exhibit large light or dark vertical streaks on their trunks resulting from slimy liquid oozing out of cracks or wounds...
HOST PLANTS: Ash, Maple, Oak, Sycamore, Elm, Dogwood DAMAGE: Anthracnose is characterized by blight of very young leaves and shoots or by irregular necrotic blotches on expanded leaflets. In years of prolonged wet spring weather with moderate temperatures, the leaf...
