Uncinula necator( syn. Erysiphe necator)
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EmailWithin the chasmothica of this fungi is a bunch of asci, and in the asci there are many spores.
Within the chasmothica of this fungi is a bunch of asci, and in the asci there are many spores. This pathogen is a biotrophic fungi, that cannot live without the host. The leaves of the infected plant will be covered with white powder that is the fungi’s hyphae, the small black and brown dots on the leaves contain the ascospores. The hyphae and the chasmothica are visible to the naked eye.
- PLP847_2018_5
- Collector: Anna Stouffer-Hopkins
- Taxonomy
- Phylum: Ascomycota
- Class: Leotiomycetes
- Order: Erysiphales
- Family: Erysiphaceae
- Genus_species Uncinula necator( syn. Erysiphe necator)
- Genus: Uncinula(Erysiphe)
- Species: necator
- Authority: Schweintz 1892
- Location: Lansing, Michigan USA
- Latitude: 42°45’17.5″N
- Longitude: 84°32’17.5″W
- Elevation: 267 m
- Habitat: Grape vines growing on a chain link fence
- Substrate: On living grape leaves
Macro-Description: White powder( mycelia ) covering the leaf surface with yellow-brown-black balls spread throughout (chasmothica containing the asci and spores)
Micro-description: Black/brown chasmothica whith ascii inside, and single celled elipsoid spores
Rationale for ID: Morphology match, and only one species known on grape in Michigan
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