Funguses: Apple Scab

Apple scab is something we all know. The picture to the left is an apple tree in a suburban setting. It is on the border line of the property between two neighbors. One of the neighbors is an apple orchard. The tree is semi ornamental, as it puts on a display of flowers in the spring. It doesn't bear any fruit as the fruit is all so diseased that they fall from the tree. It is also not pruned for apple production. The tree may be anywhere between 75- 25 years old. It is part of a screen and is doing the best job it can in spite of all the obstacles against it growing healthily. This is the curse and the triumph of the apple tree in our suburban Massachusetts.

But here is what has happened to it in relation to fungus.