Downy Mildew (Noun)
Meaning
Any of various fungi of the family Peronosporaceae parasitic on e.g. grapes and potatoes and melons.
Classification
Nouns denoting plants.
Examples
- Downy mildew is a significant disease of grapevines worldwide, causing substantial economic losses in many regions.
- The fungal disease downy mildew can cause yellowing of leaves and a white, cottony growth on the underside of leaves of infected plants.
- Grape growers often use fungicides to control downy mildew, but some strains of the fungus have developed resistance to these chemicals.
- Downy mildew is most commonly associated with warm, humid weather, and its spread can be facilitated by overhead irrigation.
- The downy mildew pathogen can infect a wide range of hosts, including cucumbers, squash, and melons, in addition to grapes and potatoes.