Japanese Fungi on Plants No.36 before next top

Glomerella graminicola Politis [=Colletotrichum graminicola (Ces.) Wilson]
 Classification: Ascomycota, Pyrenomycetes, Phyllachorales, Phyllachoraceae

 Distributed widely in Japan. Causes anthracnose diseases in various grasses. Phylogenic and pathogenic specialization was recently found among the isolates on C3 and C4 grasses. Producing acervuli on the surface of leaves, scattering conidia inside by wind and rain. Teleomorph rarely observed in nature.

Characteristics: Plant pathogen    Symptom: JPEG (Orchardgrass, Anthracnose, 49kb)

 Anamorph: Acervulus with many setae, producing conidia of single cell, hyaline to pale yellow, falcate to fusiform, tapered toward both ends, 23.5-29 x 3.5-5 um in size. Apressorium brown, irregular-shaped in edge, 17.5-30 x 12.5-14 um in size.
with setae

Herbarium specimen in NIAES

Specimen No. Scientific name Host name Host scientific name Symptoms Geographical origin Collected date Collector
108-1-91 Colletotrichum graminicola  Rough-stalk meadow  Poa? Anthracnose Nishinasuno, Tochigi 1961.11.23 Tominaga, T.
261-2-1 Orchardgrass Dactylis glomerata " Shiojiri, Nagano 1962.8.10 "

(Described by Tsukiboshi, T., NIAES, Microbial Systemtics Lab., 2002)

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