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Howard F. Schwartz, Colorado State University, Bugwood.org
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Image Number: 5498159

downy mildew (Plasmopara halstedii (Farl.) Berl. & De Toni) (Farl.) Berl. & De Toni

Photographer:
Howard F. Schwartz
Organization:
Colorado State University
Descriptor:
Symptoms
Description:
downy mildew symptoms on lower surface of infected leaf, caused by Plasmopora halstedii
Image type:
Field
Host:
common sunflower (Helianthus annuus L.)

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

Image location:
, Fort Collins

Subject

Kingdom: Chromista
Phylum: Oomycota
Class: Oomycetes
Order: Peronosporales
Family: Peronosporaceae
Genus: Plasmopara
Subject: Plasmopara halstedii (Farl.) Berl. & De Toni

Host

Kingdom: Plantae
Phylum: Magnoliophyta
Class: Magnoliopsida
Subclass: Asteridae
Order: Asterales
Family: Asteraceae
Genus: Helianthus
Subject: Helianthus annuus L.
Node Affiliation:
Bugwood - UGA
Image uploaded:
Friday, July 26, 2013
Image last updated:
Thursday, August 22, 2013