urocystis cepulae
Học thuậtThân thiện
Definition
Noun: - A species of smut fungus (Uropyxis cepulae, syn. Urocystis cepulae) that infects plants in the onion family, causing disease characterized by dark, blister-like pustules on the scales and leaves. It is particularly harmful to young, developing plants.
Usage
- is a fungal pathogen.
- The primary host for is the onion ().
- Controlling is important for onion cultivation.
Examples in Use
- The onion crop was severely damaged by an infection of Urocystis cepulae.
- Gardeners must watch for the tell-tale blisters caused by Urocystis cepulae on seedling leaves.
- Research into fungicides effective against Urocystis cepulae is ongoing.
Advanced Usage
- In botanical and pathological texts, the name may be followed by the author citation "Frost" to specify the taxonomic authority: Urocystis cepulae Frost.
- The disease caused by this fungus is commonly referred to as onion smut.
Variants and Related Words
- Onion smut: The common name for the plant disease caused by .
- Smut fungus: A general term for fungi in the order Ustilaginales, which includes and causes diseases characterized by sooty spore masses.
- Uropyxis cepulae: A former or alternative genus classification for the same organism.
Synonyms
- Onion smut fungus (common name equivalent).
Related Terms and Context
- Pathogen: An organism that causes disease; is a plant pathogen.
- Allium: The plant genus that includes onions, garlic, and leeks, which are hosts for this fungus.
- Seedling blight: A descriptive term for the damaging effect of on young plants.
Noun
- smut fungus causing blackish blisters on scales and leaves of onions; especially destructive to seedlings