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Brian Olson, Oklahoma State University, Bugwood.org
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Image Number: 5511750

purple blotch (Alternaria porri (Ellis) Cif.) (Ellis) Cif.

Photographer:
Brian Olson
Organization:
Oklahoma State University
Descriptor:
Asexual Spore
Description:
Conidia of Alternaria porri, the causal agent of purple spot of onion.
Image type:
Laboratory
Host:
onions (Allium spp. L.)

You must attribute the work in the manner specified (but not in any way that suggests endorsement). You may not use this work for commercial purposes unless permission is granted by the photographer or copyright owner.

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:
Cornell University
Image uploaded:
Monday, April 14, 2014
Image last updated:
Monday, April 14, 2014