Colletotrichum
orbiculare
(Berk. & Mont.) Arx [= C. lagenarium (Pass.) Ell. & Halst.]
Classification: Deuteromycotina, Coelomycetes
Japanese Fungi on Plants No.27 before next top
Colletotrichum
orbiculare
(Berk. & Mont.) Arx [= C. lagenarium (Pass.) Ell. & Halst.]
Classification: Deuteromycotina, Coelomycetes
Distributed widely in Japan. Causes anthracnose of
Cucurbitaceae plants as watermelon, cucumber, wax gourd and etc. Produces
acervuli on the leaves and disperses by scattering conidia inside. Teleomorph has
been reported as Glomerella
cingulata var. orbicularis, but not described formally.
Characteristics: Plant pathogen
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 |
Morphology: Teleomorph: Unknown Anamorph: Acervuli with setae, producing conidia inside. Sclerotia abundant. Conidia hyaline to pale yellow, cylindrical to ellipsoid, single cell, obtuse at the apices, 14-15 x 4.5-6 um. Appressoria long clavate or slightly irregular, 9-10 x 5-6 um in size. |
|
| Acervulus | Conidia |
Herbarium specimen in NIAES
| Specimen No. | Scientific name | Host name | Host scientific name | Symptoms | Geographical origin | Collected date | Collector |
| 114-1-59 | Colletotrichum orbiculare | watermelon | Citrullus lanatus | anthracnose | Kasu, Fukuoka | 1931.7.29 | Kawamura, E. |
| 114-1-60 | " | " | " | " | Fukuoka | 1936.9.8 | " |
| 114-1-17 | " | wax gourd | Benincasa cerifera | " | Tokyo | 1938.12.18 | Sono, K. |
| 244-1-129 | " | cucumber | Cucumis sativus | " | Gun-Ryo-Jo | 1942.8.19 |
(Described by Tsukiboshi, T., NIAES, Microbial Systemtics Lab., 2003)
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