Seifertia azaleae (Peck) Partr. & Morgan-Jones
(Rhododendron Bud Blast and Twig Blight - causative organism)

Interactions where Seifertia azaleae is the dominant partner and gains from the process

The following relationships have been collated from the published literature (see 'Interaction References').

Stage Summary Taxon Vernacular Classification References Darwin Classification of Active Taxon Active Taxon Active Vernacular Active Taxon Uncertain Active State Active Part Active Stage Relationship Relationship Uncertain Relationship Geography Darwin Classification of Passive Taxon Passive Taxon Passive Vernacular Passive Taxon Uncertain Passive State Passive Part Passive Stage Passive Taxon's significance to Active Taxon Indoors etc Season
is spread by Graphocephala fennahi Rhododendron Leafhopper Hemiptera: Cicadellidae Pests, Diseases & Disorders of Garden Plants, Buczacki, S. & Harris, K., 1998
 /Fungi/Ascomycota/Seifertia azaleae/Seifertia azaleaerhododendron bud blast and twig blight (causative organism) Animal / vector /Animalia/Arthropoda/Insecta/Hemiptera/Cicadellidae/Graphocephala fennahi/Graphocephala fennahirhododendron leafhopper
Pycnostysanus dematiacous anamorph coremium of Pycnostysanus dematiacous anamorph infects and damages brown, then silvery flower bud (esp terminal) UK/IrelandRestricted Rhododendron rhododendrons and azaleas Ericales: Ericaceae Pests, Diseases & Disorders of Garden Plants, Buczacki, S. & Harris, K., 1998
Fungi of the South East England, Dennis, R.W.G., 1995
Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997
 /Fungi/Ascomycota/Seifertia azaleae/Seifertia azaleaerhododendron bud blast and twig blight (causative organism)coremiumPycnostysanus dematiacous anamorph Foodplant / pathogenUK and/or Eire /Plantae/Tracheophyta/Magnoliopsida/Ericales/Ericaceae/Rhododendron/Rhododendronrhododendrons and azaleasbrown, then silveryflower bud (esp terminal)Sole
Pycnostysanus dematiacous anamorph coremium of Pycnostysanus dematiacous anamorph infects and damages twig UK/IrelandRestricted Rhododendron rhododendrons and azaleas Ericales: Ericaceae Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997
 /Fungi/Ascomycota/Seifertia azaleae/Seifertia azaleaerhododendron bud blast and twig blight (causative organism)coremiumPycnostysanus dematiacous anamorph Foodplant / pathogenUK and/or Eire /Plantae/Tracheophyta/Magnoliopsida/Ericales/Ericaceae/Rhododendron/Rhododendronrhododendrons and azaleastwigSole
Pycnostysanus dematiacous anamorph coremium of Pycnostysanus dematiacous anamorph infects and damages leaf UK/IrelandRestricted Rhododendron rhododendrons and azaleas Ericales: Ericaceae Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997
 /Fungi/Ascomycota/Seifertia azaleae/Seifertia azaleaerhododendron bud blast and twig blight (causative organism)coremiumPycnostysanus dematiacous anamorph Foodplant / pathogenUK and/or Eire /Plantae/Tracheophyta/Magnoliopsida/Ericales/Ericaceae/Rhododendron/Rhododendronrhododendrons and azaleasleafSole

Author & YearTitleSource
Buczacki, S. & Harris, K., 1998Pests, Diseases & Disorders of Garden PlantsCollins Photoguide, 2nd edition edition, Collins
Dennis, R.W.G., 1995Fungi of the South East England383pp, Royal Botanic Gardens, Kew
Ellis, M.B. & J.P., 1997Microfungi on Land Plants: An Identification Handbook2nd (New Enlarged) edition, 868pp, The Richmond Publishing Co. Ltd

Seifertia azaleae (Rhododendron Bud Blast and Twig Blight - causative organism) may also be included in 'feeds on' relations listed under the following higher taxa:

Seifertia azaleae (Rhododendron Bud Blast and Twig Blight - causative organism) may be included in 'fed on by' relations listed under the following higher taxa:

Taxonomic hierarchy:
SpeciesSeifertia azaleae (Rhododendron Bud Blast and Twig Blight - causative organism)
SubphylumPEZIZOMYCOTINA (a subphylum of ascomycetes)
PhylumASCOMYCOTA (spore shooters, ascomycete)
KingdomFUNGI (true fungi)
DomainEukaryota (eukaryotes)
LifeBIOTA (living things)
NBNNBN (data.nbn.org.uk) has a distribution map for Seifertia azaleae (Rhododendron Bud Blast and Twig Blight - causative organism)

Identification Works

Handling & MagnificationAuthorYearTitleSource
Fox, R.T.V. 1991 Fungal foes in your garden no 11: Bud Blast of Rhododendron & Azalea Mycologist Vol 05 (1): 34.

Seifertia azaleae (Rhododendron Bud Blast and Twig Blight - causative organism) may also be included in identification literature listed under the following higher taxa:

Literature listed under the following higher taxa may be relevant to Seifertia azaleae (Rhododendron Bud Blast and Twig Blight - causative organism):

BioImagesBioImages (www.bioimages.org.uk) has 16 images of Seifertia azaleae (Rhododendron Bud Blast and Twig Blight - causative organism)

A very common minor pathogen of Rhododendron. There is no scientific evidence that it is spread by the Rhododendron Leafhopper (Graphocephala fennahi).

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