Ash Tree Flower Gall. If one has a male ash tree expect to find round. The worst thing that can happen to the tree would be if the mite activity was severe and too many galls formed putting extra stress on the limbs.
Galls formed in previous seasons will remain on the tree even if newly forming galls are pre vented. Early in spring a tiny eriophyid mite eriophyes fraxinivorus feeds on the tiny male ash flowers. Are ash flower galls harmful to the tree.
Early in spring a tiny eriophyid mite eriophyes fraxinivorus feeds on the tiny male ash flowers.
Are ash flower galls harmful to the tree. Galls formed in previous seasons will remain on the tree even if newly forming galls are pre vented. Galls are abnormal plant growth that can be caused by insects mites or plant diseases. In rare situations the weight of the gall tissue can cause branches to be strained.
