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Howard F. Schwartz, Colorado State University, Bugwood.org
Creative Commons License   licensed under a Creative Commons Attribution 3.0 License.
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Image Number: 5362724

purple blotch (Alternaria porri) (Ellis) Cif.

Photographer:
Howard F. Schwartz
Organization:
Colorado State University
Descriptor:
Sign
Image view:
Identifying Feature
Description:
onion purple blotch, disease, Alternaria porri
Image type:
Field
Host:
onions (Allium spp. L.)

You must attribute the work in the manner specified (but not in any way that suggests endorsement).

Image location:

Subject

Kingdom: Fungi
Phylum: Ascomycota
Subphylum: Pezizomycotina
Class: Dothideomycetes
Subclass: Dothideomycetidae
Order: Pleosporales
Family: Pleosporaceae
Genus: Alternaria
Subject: Alternaria porri (Ellis) Cif.

Host

Kingdom: Plantae
Phylum: Magnoliophyta
Class: Liliopsida
Order: Asparagales
Family: Amaryllidaceae
Genus: Allium
Subject: Allium spp. L.
Node Affiliation:
Colorado State University
Image uploaded:
Friday, February 1, 2008
Image last updated:
Monday, February 25, 2008