rosellinia
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Definition
Noun: 1. A genus of fungi in the family Xylariaceae, characterized by having smooth perithecia (flask-shaped fruiting bodies) and dark, one-celled ascospores. Fungi in this genus are often plant pathogens, causing root and stem rots.
Usage
- The genus includes several species known to be destructive to crops.
- A laboratory analysis confirmed the presence of in the diseased vine roots.
Advanced Usage
- In phytopathology, the term is used specifically to refer to these fungi as causal agents of disease, such as root rot in tea, avocado, or grapevines.
- The identification of a species often requires microscopic examination of its perithecia and ascospores.
Variants and Related Words
- Rosellinia spp.: The abbreviation "spp." indicates multiple species within the genus .
- Rosellinia necatrix: The name of a particularly widespread and damaging species within this genus.
Synonyms
- There are no direct common-language synonyms for this scientific taxonomic name. In a technical context, it may be referred to descriptively as a "pyrenomycetous fungus" (referring to its perithecial structure) within the family Xylariaceae.
Related Phrases
- Rosellinia root rot: A common name for the plant disease caused by fungi from this genus.
- White root rot: Another name for the disease caused by , referring to the characteristic white fungal growth on infected roots.
Noun
- fungi having smooth perithecia with dark one-celled ascospores