Corynespora cassiicola

Authors Corynespora cassiicola (Berk. & M.A. Curtis) C.T. Wei 1950
Strain 14137
Classification Pleosporales, Corynesporascaceae, Corynespora
Detection frequency Low
Figure Fig. 1 a, b. Conidia. c,d. Conidiophores (Bars= 5 μm, unless otherwise specified)
Conidiophores Conidiophores erect, simple, straight or flexuose, olivaceous brown, with percurrent proliferation, up to 500 μm long, 3–7 μm wide
Conidiogenous cells Conidiogenous cells integrated, terminal.
Conidia Conidia solitary or in chain, obclavate or cylindrical, thick-walled, with distinctly thickened hilum at the base, with 3–7 distosepta, 20–90 × 6–9 µm.
Note This is a common pathogen affecting diverse plant hosts.
Pathogenicity Unknown. Mew & Gonzales (2002) has found Corynespora sp. on rice seeds, but not identified down to the species level. This species can be found on more than a hundred species of plants, including dicotyledons, monocots, and ferns (Farr, D.F., & Rossman, A.Y., 2020)
Specimens examined Taiwan, Taitung County, rice grains (cultivar Taitung 30), Oct 2014, Jie-Hao Ou, 14137
ITS GCCCCCTTCGAGATAGCACCCTTTGTTTATGAGCACCTCTCGTTTCCTCGGCAGGCTCGCCTGCCAACGGGGACCCACCACAAACCCATTGCAGTACAAGAAGTACACGTCTGAACAAAACAAAACAAACTATTTACAACTTTCAACAACGGATCTCTTGGTTCTGGCATCGATGAAGAACGCAGCGAAATGCGATAAGTAGTGTGAATTGCAGAATTCAGTGAATCATCGAATCTTTGAACGCACATTGCGCCCTTTGGTATTCCTTAGGGCATGCCTGTTCGAGCGTCATTTCAACCCTCAAGCCTAGCTTGGTGTTGGGCGTCTGTCCCGCCTCCGCGCGCCTGGACTCGCCTCAAAAGCATTGGCGGCCGGTTCCCAGCAGGCCACGAGCGCAGCAGAGCAAGCGCTGAAGTGGCTGCGGGTCGGCACACCATGAGCCCCCCCACACCAGAATTTTGACCTCGGATCAGGTAGGGATACCCGCTGAACTTAA