blue mold (Peronospora tabacina ) on flue-cured tobacco (Nicotiana tabacum (flue-cured type)) - 1402018

blue mold
Peronospora tabacina D.B. Adam

Host: flue-cured tobacco (Nicotiana tabacum (flue-cured type) L.)
Descriptor: Symptoms
Description: Blue mold can occur in the plant bed or field. Circular yellow spots up to one inch in diameter develop on the leaves. Blue-gray fungal growth is produced on the underside of these spots when the fungus is active. Spots become light brown when the leaf tissue dies. The disease first develops on lower leaves, but it rapidly spreads to upper leaves during wet, cool weather.
Image type: Field
Image location: United States

Specimen Information

Specimen in collection: No
Specimen Condition:
Identification Method:

Photographer Information

Name: R.J. Reynolds Tobacco Company Slide Set
Organization: R.J. Reynolds Tobacco Company
Country: United States

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Image Number: 1402018

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Image Citation:(?) R.J. Reynolds Tobacco Company Slide Set, R.J. Reynolds Tobacco Company, Bugwood.org

Node Affiliation: Bugwood - UGA

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Image uploaded on Sunday, March 10, 2002
Image Information last updated on Thursday, May 12, 2011