Japanese Fungi on Plants No.63 before next top

Stemphylium sarcinaeforme (Cavara) Wiltshire
 Classification: Deuteromycotina, Hyphomycetes

Distributed widely in Japan. Causes leaf spot of clovers. Disperses by scattering conidia. Teleomorph unknown.

Characteristics: Plant pathogen

Morphology:
 Teleomorph: Unknown
 Anamorph: On pale brown to light brown conidiophores,  producing conidia light brown, spherical to subspherical, surface smooth, 30-50 x 22-33 um, with several vertical and 3 transverse septa. Sometimes constricted at the middle transverse septa.

Conidia

Herbarium specimen in NIAES

Specimen No. Scientific name Host name Host scientific name Symptoms Geographical origin Collected date Collector
110-1-59 Stemphylium sarcinaeforme Red clover Trifolium pratense Leaf spot Nishinasuno, Tochigi 1961.5.26 Tominaga, T.
110-1-62 " " " " " 1961.7.19 Tsuchiya, Y.
110-1-60 " " " " Saku, Nagano 1961.9.13 Tominaga, T.
110-1-58 " " " " Nishinasuno, Tochigi 1961.9.20 Komuro, Y.
110-1-61 " " " " " 1961.11.23 Tominaga, T.
110-1-68 " " " " Haga, Tochigi 1962.5.30 "

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

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