Pythium rostratum E.J. Butler 1907

Details

Name scientific

Pythium rostratum E.J. Butler, Mem. Dept. Agric. India, Bot. Ser. 1 84 (1907)

Preferred name

Globisporangium rostratum (E.J. Butler) Uzuhashi, Tojo & Kakish. 2010

Nomenclature

Authors

E.J. Butler

Original authors

E.J. Butler

Publication place

Butler, E.J. 1907: An account of the genus Pythium and some Chytridiaceae. Memoirs of the Department of Agriculture in India, Botanical Series 1(5): 1-162.

Year published

1907

Publication page

Nomenclatural code

ICN

Basionym

Pythium rostratum E.J. Butler 1907

Taxonomic rank

species

Canonical form

Pythium rostratum

Classification

Kingdom

Chromista

Phylum

Oomycota

Class

Oomycetes

Order

Peronosporales

Family

Pythiaceae

Genus

Pythium

Species

rostratum

Associations

View full associations record

Association type

Associated organism

Association source

has host

Spinacia oleracea L.

Boesewinkel, H.J. (1982)

has host

Hordeum vulgare L.

Braithwaite, M.; Alexander, B.J.R.; Adams, R.L.M.

has host

Malus ×domestica Borkh.

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

has host

Brassica oleracea var. botrytis L.

Pennycook, S.R. (1989)

has host

Brassica oleracea var. botrytis L.

Robertson, G.I. (1976)

has host

Persea americana Mill.

Robertson, G.I. (1977)

has host

Brassica oleracea var. botrytis L.

Robertson, G.I. (1980)

has host

Medicago sativa L.

Robertson, G.I. (1982)

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.

Pythium rostratum E.J. Butler 1907

Description

Type: Radicicolous Fungi; Description: Colonies on corn meal agar submerged, no aerial mycelium, main hyphae up to 8 μm wide. Sporangia terminal or intercalary, globose to subglobose, 9–30 μm in diameter, or ellipsoidal to limoniform, 7–35 × 4–25 μm. Oogonia mostly intercalary, globose to subglobose, 15–25 μm in diameter, often in chains, smooth. Antheridia 1–2 per oogonium, monoclinous or hypogynous. Oospores plerotic, 14–24 μm in diameter.

Distribution

Distribution: Northland, Auckland, Waikato, Taranaki, Taupo, Rangitikei, Wanganui, Wellington, Hawkes Bay, Wairarapa, South Canterbury, Dunedin, Southland.; 1st Record: Robertson (1976).

Notes

Pathogenicity

Significance: Infrequently isolated from damped-off seedlings and reported to be slightly pathogenic to roots of vegetable seedlings (Robertson 1976).; Host(s): Malus ×domestica, Persea americana.