Microsphaera sparsa Howe 1872

Details

Name scientific

Microsphaera sparsa Howe in Cooke & Peck, J. Bot. 10 171 (1872)

Preferred name

Erysiphe viburni Duby 1830

Taxonomy reference

Braun, U.; Cook, R.T.A. 2012: Taxonomic Manual of the Erysiphales (Powdery Mildews). CBS Biodiversity Series. 11. 707 p.

Nomenclature

Authors

Howe

Original authors

Howe

Publication place

Cooke, M.C.; Peck 1872: Journal of Botany, British and Foreign 10

Year published

1872

Publication page

171

Nomenclatural code

ICN

Basionym

Microsphaera sparsa Howe 1872

Taxonomic rank

species

Canonical form

Microsphaera sparsa

Classification

Kingdom

Fungi

Phylum

Ascomycota

Class

Leotiomycetes

Order

Helotiales

Family

Erysiphaceae

Genus

Microsphaera

Species

sparsa

Associations

View full associations record

Association type

Associated organism

Association source

has host

Viburnum opulus L.

Amano, K. (1986)

has host

Viburnum trilobum Marshall

Boesewinkel, H.J. (1977)

has host

Viburnum opulus L.

Boesewinkel, H.J. (1980)

has host

Viburnum opulus L.

Braun, U. (1987)

has host

Viburnum opulus L.

Gadgil, P.D. (in association with Dick, M.A.; Hood, I.A.; Pennycook, S.R.) (2005)

has host

Viburnum opulus L.

Pennycook, S.R. (1989)

Descriptions

Gadgil, P.D. (in association with Dick, M.A.; Hood, I.A.; Pennycook, S.R.) 2005: Fungi on trees and shrubs in New Zealand. Fungi of New Zealand. 4. Fungal Diversity Press.

Microsphaera sparsa Howe 1872

Description

Type: Powdery Mildews; Description: Mycelium superficial, evanescent, white, hyphae 4–5 μm wide; mainly on the lower surfaces of leaves. Appressoria multi-lobed. Ascomata not known in New Zealand. Conidiophores 75–120 × 5–8 μm, foot cell tapering towards the apex, slightly flexuous. Conidia produced singly, cylindrical, 0-septate, 35–45 × 15–17 μm, smooth, hyaline.

Distribution

Distribution: Auckland, Mid Canterbury.; 1st Record: Boesewinkel (1977a).

Notes

Pathogenicity

Significance: None. Inconspicuous and difficult to detect.; Host(s): Viburnum opulus, V. trilobum.