family erysiphaceae

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family erysiphaceae

A powdery mildew from the family Erysiphaceae covers the leaf's surface.

Definition

Noun: - A taxonomic family of fungi within the order Erysiphales. These fungi are obligate plant parasites, primarily infecting the leaves of host plants, and are commonly known as the powdery mildews.

Usage
  • The term is used in scientific contexts, particularly in mycology (the study of fungi), botany, and plant pathology, to classify and discuss this specific group of fungal pathogens.
  • Example: "The characteristic white, powdery growth on the rose leaves was caused by a fungus from the family Erysiphaceae."
  • Example: "Plant pathologists study the life cycle of family Erysiphaceae to develop effective control measures."
Advanced Usage
  • In formal taxonomic writing, the family name is often italicized: .
  • The family is defined by specific morphological structures, such as the production of chasmothecia (formerly called cleistothecia) which are their sexual fruiting bodies, and haustoria, which are specialized structures for absorbing nutrients from host plant cells.
Variants and Related Words
  • Erysiphales (noun): The taxonomic order to which this family belongs.
  • Powdery mildew (noun): The common name for the diseases caused by fungi in this family. This is not a synonym for the taxonomic family itself but refers to the symptomatic plant disease.
  • Genus Erysiphe (noun): A prominent genus within the family Erysiphaceae.
Synonyms
  • Powdery mildew fungi: A descriptive, non-taxonomic synonym referring to the organisms within this family. Note: This refers to the fungi themselves, not the disease they cause.
Related Terms & Concepts
  • Obligate parasite (noun): An organism that cannot complete its life cycle without exploiting a suitable host. All members of the family Erysiphaceae are obligate biotrophic parasites of plants.
  • Mycelium (noun): The vegetative part of a fungus, consisting of a network of fine white filaments (hyphae). The mycelium of Erysiphaceae grows on the surface of leaves.
  • Conidia (noun): Asexual spores produced by these fungi, responsible for the powdery appearance and rapid spread of the disease.
family erysiphaceae

A powdery mildew from the family Erysiphaceae covers the leaf's surface.

Noun
  1. family of fungi parasitic mostly on leaves; includes powdery mildews

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