mildew
61powdery mildew — a mildew of the order Erysiphales …
62downy mildew — down′y mil′dew n. 1) fng any common fungus of the family Peronosporaceae, appearing on damp vegetable or animal matter as a white fuzzy mass of spores 2) ppa a disease of plants caused by growth of downy mildew on the undersurface of the leaves,… …
63powdery mildew — pow′dery mil′dew n. 1) fng any of various fungi of the ascomycete order Erysiphales that produce a powderlike film of mycelium on the surface of host plants 2) ppa the plant disease caused by powdery mildew • Etymology: 1885–90, amer …
64downy mildew — /daʊni ˈmɪldju/ (say downee mildyooh) noun fungi belonging to the family Peronosporaceae, all of which are obligate parasites of vascular plants, as Plasmopara viticola, downy mildew of grapes …
65downy mildew — ☆ downy mildew n. a disease of angiosperms characterized by the appearance of whitish or downy patches of fungus on the surfaces of plant parts, caused by various fungi (family Peronosporaceae) …
66powdery mildew — noun any of various fungi of the genus Erysiphe producing powdery conidia on the host surface • Hypernyms: ↑mildew • Member Holonyms: ↑Erysiphe, ↑genus Erysiphe …
67american gooseberry mildew — noun Usage: usually capitalized A : a powdery mildew (Sphaerotheca mors uvae) of the gooseberry …
68cherry mildew — noun : a powdery mildew (Podosphaera oxycanthae) especially destructive of the cherry …
69grass mildew — noun : a powdery mildew (Erysiphe graminis) that frequently attacks cereals and other grasses …
70lettuce mildew — noun : a destructive disease of lettuce caused by a downy mildew (Bremia lactucae) …
