Image Number: 5076071

Photographer:
Organization:
Descriptor:
Symptoms
Description:
Symptoms appear as water-soaked, dark green areas at the base of the onion leaves. Affected leaves tear off without much force. Disease occurs more during cool, wet periods during onion production.
Image type:
Field

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Image location:
United States

Subject

Kingdom: Monera
Phylum: Proteobacteria
Class: Gammaproteobacteria
Order: Pseudomonadales
Family: Pseudomonadaceae
Genus: Pseudomonas
Subject: Pseudomonas viridiflava (Burkholder 1930) Dowson 1939

Host

Kingdom: Plantae
Phylum: Magnoliophyta
Class: Liliopsida
Order: Asparagales
Family: Amaryllidaceae
Genus: Allium
Subject: Allium spp. L.
Node Affiliation:
Image uploaded:
Friday, October 27, 2006
Image last updated:
Monday, November 6, 2006