Powdery Mildew Disease
Description
There are many diseases that fall under the general description of powdery mildew, but they are all a species of fungi. Host plants are of all types - vegetables, fruit trees, grapes, roses, ornamental trees and shrubs. The fungus is composed of mycellium and spores (conidia) which are wind-blown to other plants or other parts of the same plant. Powdery mildew is host specific, meaning that the mildew on a rose, for instance, will not spread to another species. It is also a type of fungi that can only grow on living plant tissue.
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