BioInfo (UK)

Guignardia aesculi (Peck) V.B. Stewart (Horse Chestnut Leaf Blotch - causative organism)

BioImages BioImages (www.bioimages.org.uk) has 67 images of Guignardia aesculi (Horse Chestnut Leaf Blotch - causative organism)

NBN NBN (data.nbn.org.uk) has the UK distribution map of Guignardia aesculi (Horse Chestnut Leaf Blotch - causative organism)

FRDBI FRDBI (www.fieldmycology.net/gbchklst/gbchklst.asp) has the UK and Ireland records of Guignardia aesculi (Horse Chestnut Leaf Blotch - causative organism)

Suggested Literature

Identification Works

Forest Research, 2004 Path News Issue 8: July 2004
Forest Research, 2007 Path News Issue 15: October 2007
Hudson, H.J., 1987 Guignardia leaf blotch of Horsechestnut
Punithalingam, E., 1993 Guignardia aesculi

Guignardia aesculi may also be covered by literature listed under:

BIOTA
(living things)
Eukaryota
(eukaryotes)
FUNGI
(true fungi)
ASCOMYCOTA
(spore shooters, ascomycete)
DOTHIDEOMYCETES
(a class of ascomycetes)
Lichenes (via Botryosphaeriales) Fungi s.l. (via Fungi)

Feeding and other inter-species relationships

Guignardia aesculi is associated with:

Phyllosticta coelomycetous anamorph, pycnidium Aesculus - horse chestnuts (Sapindales: Sapindaceae) epiphyllous, scattered or crowded pycnidium of Phyllosticta coelomycetous anamorph causes spots on live leaf UK/Ireland Buczacki, S. & Harris, K., 1998 [causes irregular brown blotches with yellow halos]
Phyllosticta coelomycetous anamorph, pycnidium Aesculus glabra (Sapindales: Sapindaceae) epiphyllous, scattered or crowded pycnidium of Phyllosticta coelomycetous anamorph causes spots on live leaf Hudson, H.J., 1987
Phyllosticta coelomycetous anamorph, pycnidium Aesculus hippocastanum - Horse Chestnut, Horse-chestnut (Sapindales: Sapindaceae) epiphyllous, scattered or crowded pycnidium of Phyllosticta coelomycetous anamorph causes spots on live leaf UK/Ireland Major Buczacki, S. & Harris, K., 1998 [causes irregular brown blotches with yellow halos],
Ellis, M.B. & J.P., 1997 [Lesions irregular, starting from tip and along sides, spreading inwards; at first water-soaked then red to brown with yellow margins],
Hudson, H.J., 1987
Phyllosticta coelomycetous anamorph, pycnidium Aesculus parviflora - Bottlebrush Buckeye, Red Buckeye (Sapindales: Sapindaceae) epiphyllous, scattered or crowded pycnidium of Phyllosticta coelomycetous anamorph causes spots on live leaf UK/Ireland Hudson, H.J., 1987
pseudothecium Aesculus - horse chestnuts (Sapindales: Sapindaceae) pseudothecium is saprobic on dead, fallen, over-wintered leaf Buczacki, S. & Harris, K., 1998
pseudothecium Aesculus glabra (Sapindales: Sapindaceae) pseudothecium is saprobic on dead, fallen, over-wintered leaf Hudson, H.J., 1987
pseudothecium Aesculus hippocastanum - Horse Chestnut, Horse-chestnut (Sapindales: Sapindaceae) pseudothecium is saprobic on dead, fallen, over-wintered leaf UK/Ireland Major Ellis, M.B. & J.P., 1997,
Hudson, H.J., 1987
pseudothecium Aesculus parviflora - Bottlebrush Buckeye, Red Buckeye (Sapindales: Sapindaceae) pseudothecium is saprobic on dead, fallen, over-wintered leaf Hudson, H.J., 1987

There may be more taxa associated with Guignardia aesculi listed at higher taxonomic level

FUNGI
(true fungi)

Associated with Guignardia aesculi:

Guignardia aesculi may be associated with taxa listed at higher taxonomic level

FUNGI
(true fungi)
Lichenes (via Botryosphaeriales) Fungi s.l. (via Fungi)

References

Buczacki, S. & Harris, K., 1998 Pests, Diseases & Disorders of Garden Plants
Ellis, M.B. & J.P., 1997 Microfungi on Land Plants: An Identification Handbook
Hudson, H.J., 1987 Guignardia leaf blotch of Horsechestnut
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