Image Number: 5405300

Photographer:
Descriptor:
Symptoms
Description:
Angular white to brown blocks of infected tissue mostly along the veins on the lower leaf surface caused by the fungus Plasmopara cercidis.  The eight or more larger brown spots that are less angular and surrounded by a yellow halo are infections of Pseudocercospora vitis the cause of Pseudocercospora leaf blight.
Image type:
Laboratory

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Image location:
Kentucky, United States

Subject

Kingdom: Chromista
Phylum: Oomycota
Class: Oomycetes
Order: Peronosporales
Family: Peronosporaceae
Genus: Plasmopara
Subject: Plasmopara cercidis C.G. Shaw, Mycologia 43(4): 452 (1951)

Host

Kingdom: Plantae
Phylum: Magnoliophyta
Class: Magnoliopsida
Subclass: Rosidae
Order: Fabales
Family: Fabaceae (Leguminosae)
Genus: Cercis
Subject: Cercis canadensis Linnaeus
Node Affiliation:
Image uploaded:
Monday, November 2, 2009
Image last updated:
Monday, March 22, 2010