Leaf spot diseases weaken trees and shrubs by interrupting photosynthesis ... Infected branches should be burned or buried. Bright yellow, orange or red leaf spots. Leaf spots can produce yellow, ...
Anthracnose is a common fungal disease of shade trees that results in leaf spots, cupping or curling of leaves and early leaf drop ... and ironwood (Ostrya virginiana). These appear as small ...
Today, nearly every citrus grove in Florida is infected with the disease. If an orange tree were to remain untreated, the disease would block its ability to get nutrients and kill it within a few ...