downy mildew (Plasmopara halstedii ) on common sunflower (Helianthus annuus ) - 0656016

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

Host: common sunflower (Helianthus annuus L.)
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
Image location: Hungary

Specimen Information

Specimen in collection: No
Specimen Condition:
Identification Method:

Photographer Information

Name: Ferenc Viranyi
Organization: Godollo University of Agricultural Sciences
Country: Hungary

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Image Number: 0656016

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Image Citation:(?) Ferenc Viranyi, Godollo University of Agricultural Sciences,

Node Affiliation: Bugwood - UGA

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Image uploaded on Wednesday, November 10, 2004
Image Information last updated on Monday, July 07, 2008