Graphiola leaf spot (Graphiola phoenicis ) on Canary Island date palm (Phoenix canariensis ) - 5475237

Graphiola leaf spot
Graphiola phoenicis (Moug.) Poit.

Host: Canary Island date palm (Phoenix canariensis hort. ex Chabaud)
Descriptor: Sign
Description: Sori of Graphiola phoenicis have erupted through the leaf epidermis. Some of the sori have filaments emerging from them. The mostly brown spots are not a symptom of Graphiola leaf spot, but a symptom of potassium deficiency.
Image type: Field
Image location: , United States

Specimen Information

Specimen in collection: No
Specimen Condition:
Identification Method:

Photographer Information

Name: Monica Elliott
Organization: University of Florida
Country: United States

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Image Number: 5475237

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Creative Commons License    This work is licensed under a Creative Commons Attribution-Noncommercial 3.0 United States License.

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Image Citation:(?) Monica Elliott, Symptoms of Palm Diseases and Disorders, USDA APHIS ITP,

Node Affiliation: USDA APHIS ITP
Image Source: Symptoms of Palm Diseases and Disorders

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Image uploaded on Saturday, August 18, 2012
Image Information last updated on Thursday, October 18, 2012