Japanese Fungi on Plants No.16 before next top

Cladosporium phlei (Gregory) de Vries [=Heterosporium phlei Gregory]
 
Classification: Deuteromycotina, Hyphomycetes

 Distributed mainly north from Tohoku, the northern Distr. Causes purple spot in timothy. Disperses by scattering conidia. Teleomorph not yet found.

Characteristics: Plant pathogen   Symptom: JPEG (Timothy, Purple spot, 39kb)

Morphology:
 Teleomorph: Unknown
 Anamorph: On pale to olive brown conidiophores, producing conidia solitary or in chain, pale brown to olive brown, oblong to cylindrical with rounded ends, verruculose on surface, 15-36 x 7-14 um in size with 1-3 septa.

Conidia

Herbarium specimen in NIAES

Specimen No. Scientific name Host name Host scientific name Symptoms Geographical origin Collected date Collector
262-1-7 Cladosporium phlei  Timothy Phleum pratense Purple spot Nishigou, Fukushima 1964.7.8 Tominaga, T.
108-1-51 " " " " Sapporo, Hokkaido 1968.6.3 "
135-1-21 " " " " Kunneppu, Hokkaido 2002.8.27 Tsukiboshi, T.

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


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