erysiphaceae
Definition
Noun: - A family of fungi that are parasitic, primarily infecting the leaves of plants. This family is notable for including the organisms commonly known as powdery mildews.
Usage Notes
- "Erysiphaceae" is a scientific, taxonomic term used in mycology (the study of fungi) and plant pathology. It is not used in everyday conversation.
- It functions as a singular proper noun referring to the taxonomic family as a whole. For example: "The Erysiphaceae is a significant family of plant pathogens."
Examples
- The characteristic white, powdery growth on the rose leaves was caused by a fungus from the Erysiphaceae.
- Researchers are studying the evolutionary history of the Erysiphaceae.
- Effective fungicide control is crucial for managing diseases caused by the Erysiphaceae.
Advanced Usage
- In formal scientific writing, the family name may be used in a cladistic or phylogenetic context.
- The analysis confirmed the monophyly of the Erysiphaceae.
Variants and Related Words
- Erysiphales (noun): The taxonomic order to which the family Erysiphaceae belongs.
- Powdery mildew (noun): The common name for the plant diseases caused by fungi in this family. This is the term used by gardeners and farmers.
- Oidium (noun): An older, form-genus name sometimes used for the asexual (anamorph) stage of some fungi in this family.
Synonyms
- Powdery mildew fungi: This is a descriptive synonym, referring to the common disease rather than the strict taxonomic grouping.
Key Characteristics
- Members of the Erysiphaceae are obligate biotrophic parasites, meaning they require living plant tissue to grow and reproduce.
- They produce superficial, white, powdery mats of mycelium and spores on the surface of host plants.
- They have a significant economic impact on agriculture, affecting crops like grapes, cereals, and cucurbits.
Noun
-
family of fungi parasitic mostly on leaves; includes powdery mildews
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