noun
- Fungus causing a downy mildew on onions.
- synonyms: Peronospora destructor
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). onion mildew. Retrieved September 21, 2026, from http://smartdefine.org/onion_mildew/definitions/1241465 |
| Chicago | WordNet. 2010. "onion mildew" http://smartdefine.org/onion_mildew/definitions/1241465 (accessed September 21, 2026). |
| Harvard | WordNet 2010, onion mildew, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/onion_mildew/definitions/1241465>. |
| MLA | WordNet. "onion mildew" 23 October 2010. Web. 21 September 2026. <http://smartdefine.org/onion_mildew/definitions/1241465> |