Image Number: 0656016

Photographer:
Descriptor:
Symptoms
Description:
Sunflower severely affected by downy mildew (Plasmopara halstedii) in the field, showing retarded growth, leaf chlorosis and horizontal head.
Image type:
Field

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Image location:
Hungary

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:
Image uploaded:
Wednesday, November 10, 2004
Image last updated:
Monday, July 7, 2008