erysiphe
Học thuậtThân thiện
Definition
- Noun:
- A genus of fungi: Erysiphe is a genus in the fungal family Erysiphaceae. It comprises species commonly known as powdery mildews, which are plant pathogens.
- The causal agent of powdery mildew: The name Erysiphe specifically refers to the taxonomic group of fungi responsible for a common plant disease characterized by white, powdery fungal growth on surfaces.
Usage Examples
- Noun:
- The grapevines were infected by a fungus identified as Erysiphe. (The grapevines were infected by a fungus identified as Erysiphe.)
- Scientists studied the life cycle of Erysiphe to develop a control method. (Scientists studied the life cycle of Erysiphe to develop a control method.)
Advanced Usage
- In taxonomic context: The genus name is always italicized in scientific writing.
- The specimen was classified under Erysiphe necator. (The specimen was classified under Erysiphe necator.)
- In plant pathology: Used to specify the type of powdery mildew.
- The Erysiphe infection spread rapidly in the humid greenhouse. (The Erysiphe infection spread rapidly in the humid greenhouse.)
Variants and Related Words
- Erysiphaceae (n): The fungal family to which the genus belongs.
- Powdery mildew (n): The common name for the plant disease caused by fungi in the genus and related genera.
- Oidium (n): An older, alternative form genus name sometimes used for the asexual (anamorph) stage of some species.
Synonyms
- Powdery mildew fungus (when referring to the causal agent in a general, non-taxonomic sense).
Related Phrases
- Erysiphe attack: Refers to an infestation or infection by this genus of fungi.
- The garden suffered from a severe Erysiphe attack. (The garden suffered from a severe Erysiphe attack.)
- Erysiphe species: Refers to one or more types within this genus.
- Several Erysiphe species affect cereal crops. (Several Erysiphe species affect cereal crops.)
Noun
- genus of powdery mildews