rhododendron bud and twig blight (Pycnostysanus azaleae ) on rhododendrons and azaleas (Rhododendron spp. ) - 5174029

rhododendron bud and twig blight
Pycnostysanus azaleae (Peck) E.W. Mason

Host: rhododendrons and azaleas (Rhododendron spp. L.)
Descriptor: Sign
Description: this disease is believed to be transmitted by the Rhododendron Leafhopper, Graphocephala fennahi, laying it's eggs in slits in the flower buds, providing a point of entry for the fungus. Garden pest that kills flower buds before maturity. Spore-producing bodies visible as little stalks with knobs at end (synnema releasing conidia).
Image type: Field
Image location: Boulevard Park, Seattle, Washington, United States

Specimen Information

Specimen in collection: No
Specimen Condition:
Identification Method:

Photographer Information

Name: Cheryl Moorehead
Organization: individual
Country: United States

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Image Number: 5174029

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Image Citation:(?) Cheryl Moorehead, individual, Bugwood.org

Node Affiliation: Bugwood - UGA

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Image uploaded on Wednesday, March 07, 2007
Image Information last updated on Monday, April 09, 2007