| Authors | M. Raza, K.D. Hyde & L. Cai 2019 |
|---|---|
| Strain | 13009 |
| Classification | Pleosporales, Pleosporaceae, Curvularia |
| Culture collection | BCRC FU30167 |
| Detection frequency | High |
| Accession number | LC494370 |
| Figure |  Fig. 1 5-day-old colony on PDA  Fig. 2 Curvularia plantarum. a–c, f. Conidiophores and conidia. d, e. Conidia with verruculose third cell. g. Conidium observed with SEM (Bars= 5 μm, unless otherwise specified) |
| Colonies | Colonies on PDA attaining 46-, 73-, 14-mm at 24 °C, 28 °C and 37 °C after 5 days, margins entire, floccose, reverse dark olivaceous to black with white margins. |
| Conidiophores | Conidiophores macronematous, brown, flexuous, septate, simple, up to 300 µm, 3.5–4.5 µm wide. |
| Conidiogenous cells | Conidiogenous cells integrated, terminal or intercalary, often seprated by 1–3 sterile cells at regular intervals, geniculate, sympodial, with darkened and thickened conidial scars. |
| Conidia | Conidia mostly curved, pale brown, with the third cell from the base verruculose, darker and larger than the others, with a thicken hilum at the base, 3-septate, 20–30 × 9–13 µm. |
| Note | This species can be distinguished from other species commonly found on rice seeds by conidia with swollen, echinulate third cell.
Curvularia plantarum was established by Raza et al. (2019). It is morphologically indistinguishable from C. muehlenbeckiae. The separation of both species can be justified by the phylogenetic analyses. However, more characters are required to support their separation. In the three regions of ITS, GPD, EF1a, strain 13009 shows 100%, 100%, 100% identities respectively with Curvularia plantarum LC11986 (ex-type), and 100%, N/A, 98.18% identities respectively with Curvularia muehlenbeckiae LC11992 (ex-type). |
| Pathogenicity | Unknown |
| Specimens examined | Taiwan, Tainan City, rice grains (cultivar Tainan 11), Jan 2013, Jie-Hao Ou, 13009 Taiwan, Tainan City, rice grains (cultivar Tainan 11), Jan 2013, Jie-Hao Ou, 13010 Taiwan, Yunlin County, rice grains, Mar 2014, Jie-Hao Ou, 14047 Taiwan, Taitung County, rice grains (cultivar Taiken 2), Jan 2015, Jie-Hao Ou, 15003 Taiwan, Miaoli County, rice grains (cultivar Miaoli 2), Dec 2014, Jie-Hao Ou, 14189 Taiwan, Taichung City, rice grains (cultivar Taichung 65), Feb 2015, Jie-Hao Ou, 15013 |
| ITS | AAGTAAAAGTCGTAACAAGGTCTCCGTAGGTGAACCTGCGGAGGGATCATTACACAATAAAATATGAAGGCTGTACGCGGCTGTGCTCTCGGGCCAGTTTTGCGGAGGCTGAATTATTTATTACCCTTGTCTTTTGCGCACTTGTTGTTTCCTGGGCGGGTTCGCCCGCCACCAGGACCACATCATAAACCTTTTTTATGCAGTTGCAATCAGCGTCAGTATAACAAATGTAAATCATTTACAACTTTCAACAACGGATCTCTTGGTTCTGGCATCGATGAAGAACGCAGCGAAATGCGATACGTAGTGTGAATTGCAGAATTCAGTGAATCATCGAATCTTTGAACGCACATTGCGCCCTTTGGTATTCCAAAGGGCATGCCTGTTCGAGCGTCATTTGTACCCTCAAGCTTTGCTTGGTGTTGGGCGTTTTTTGTCTTTGGTTGCCAAAGACTCGCCTTAAAAGGATTGGCAGCCGGCCTACTGGTTTCGCAGCGCAGCACATTTTTGCGCTTGCAATCAGCAAAAGAGGACGGCAATCCATCAAGACTCCTTCTCACGTTTGACCTCGGATCAGGTAGGGATACCCGCTGAACTTAA |
| EF1a | AAGGAGACCTCCAACTTCATCAAGAAGGTCGGCTACAACCCCAAGCACGTTCCCTTCGTCCCCATCTCCGGTTTCAACGGAGACAACATGATTGAGGCCTCCACCAACTGCCCCTGGTACAAGGGTTGGGAGAAGGAGACCAAGGCCAAGGCCACTGGTAAGACCCTCCTTGAGGCCATCGACGCCATCGACCCTCCTGTCCGTCCTACCGACAAGCCCCTCCGCCTTCCCCTCCAGGATGTCTACAAGATTGGTGGTATTGGCACGGTCCCCGTCGGTCGTGTCGAGACCGGTATCATCAAGCCCGGTATGGTCGTCACCTTCGCCCCCGCTGGTGTCACCACCGAAGTCAAGTCCGTCGAGATGCACCACGAGCAGCTTACTGAGGGTGTCCCCGGTGACAACGTCGGCTTCAACGTCAAGAACGTCTCCGTCAAGGAGATCCGTCGTGGTAACGTTGCCGGTGACTCCAAGAACGACCCCCCCAAGGGTTGCGAGTCCTTCAACGCCCAGGTCATCGTCCTCAACCACCCTGGTCAGGTCGGTGCCGGTTACGCCCCAGTCCTTGACTGCCACACTGCCCACATTGCCTGCAAGTTCTCTGAGCTCCTCGAGAAGATCGACCGCCGTACCGGAAAGTCTGTTG |
| GPD | TTGGCCGTATCGTCTTCCGCAATGCGTAGGTGTTTCTGAACCCATTGGTCCAGTGTGTATCAAAGCTGATCGTAGCTCGCAGCATCGAGCACAACGACGTCGAGATTGTCGCCGTCAACGACCCCTTCATCGAGCCCCACTACGCTGTAAGAATCCCCAACACAAGCTCCTGCCGTCAGGGCAATGGCAAAGCTAACATCTGCCTAGGCATACATGCTCAAGTATGACAGCACACACGGCCAGTTCAAGGGCGACATCAAGGTTGACGGCAACAACCTGACCGTCAACGGCAAGACCGTCCGCTTCCACATGGAGAAGGACCCCGCCAACATCCCATGGAGCGAGACCGGCGCTTACTACGTCGTCGAGTCTACCGGTGTCTTCACCACCACCGAGAAGGCCAAGGCCCACTTGAAGGGTGGAGCCAAGAAGGTTGTCATCTCTGCTCCTTCTGCCGACGCCCCC |