The powdery mildew of wheat is associated with fungi

The powdery mildew of wheat is associated with fungi Erysiphe graminis sp. tritici.
Wheat powdery mildew caused by fungus Erysiphe polygoni, f. sp. tritici is one of the most prevalent wheat diseases in the world.
Powdery mildew is a white powdery mass that appears on the leaves and twigs of the plants in the initial stage; later on, the whole plant is covered with the whitish powder.