any of various parasitic fungi of the ascomycete order Erysiphales, which produce a powderlike film of mycelium on the surface of host plants.
Plant Pathology. a disease caused by powdery mildew, characterized by yellowing and death of the foliage and a white mealy growth of fungus on the surface of above-ground parts.
a plant disease characterized by a superficial white powdery growth on stems and leaves, caused by parasitic ascomycetous fungi of the family Erysiphaceae: affects the rose, aster, apple, vine, oak, etc
any of the fungi causing this disease
Any of various important plant diseases caused by fungi, especially those of the family Erysiphaceae, which produce powdery conidia on the surface of the hosts leaves and stems.
[pou-er] /ˈpaʊ ər/ noun 1. ability to do or act; capability of doing or accomplishing something. 2. political or national strength: the balance of power in Europe. 3. great or marked ability to do or act; strength; might; force. 4. the possession of control or command over others; authority; ascendancy: power over men’s minds. 5. […]
noun, Electricity. 1. an amplifier for increasing the power of a signal. noun 1. (electronics) an amplifier that is usually the final amplification stage in a device and is designed to give the required power output
noun 1. a procedure for supplementing or replacing the manual effort needed to operate a device or system, often by hydraulic, electrical, or mechanical means.
Trademark. 1. a brand of bar-shaped food intended for use especially by athletes, having a high carbohydrate and low fat content with protein and vitamin supplements.