Figure. Pyricularia zingibericola (CBS138605). A–B. Conidiophores. C–D. Conidia. Scale bars: A–D = 20 µm.
Pyricularia zingibericola Klaubauf, M.-H. Lebrun & Crous, Stud. Mycol. 79: 115 (2014).
MycoBank: MB810222.
On CMA with sterile rice seeds, hyphae branched, septate, hyaline, smooth, 1.5–2 μm diam. Conidiophores solitary, erect, straight or curved, branched to unbranched, 3–7-septate, medium brown, smooth, 105–185 × 4–6 μm. Conidiogenous cells integrated, terminal or intercalary, light brown, smooth, 52–77 × 3–5 μm, with several protruding denticles, 1–1.5 × 1–2 µm. Conidia solitary, pyriform to obclavate, 2-septate, light brown, smooth, 18.5–26 × 8–10 μm, with a truncate hilum, 0.5–1.5 × 1–2 µm.
Colonies on 4.5 cm diam PDA after 7 days at 25 °C in dark; surface transparent with greenish olivaceous parts, white center, umbonate, powdery in center; reverse greenish olivaceous. Colonies on MEA 4 cm diam after 7 days at 25 °C in dark; surface transparent to white with leaden grey center, sulcate colony with entire edge, some irregular tufts; reverse pale with olivaceous grey center. Colonies on CMA 4 cm diam after 7 days at 25 °C in dark; surface grey olivaceous to olivaceous black with olivaceous grey center, entire edge, flat, slightly wool-like. Colonies on OA 4.5 cm diam after 7 days at 25 °C in dark; surface white with some dark spots, greenish olivaceous in center, flat, smooth, cotton-like (Description from Klaubauf et al., 2014).
Typification: Holotype CBSH-21845. Ex-holotype culture CBS138605 (RN0001).
Gene sequences: KM484941 (ITS), KM485037 (28S), KM485229 (ACT), KM485297 (CAL), KM485157 (RPB1).
Specimens examined: Réunion, on Zingiber officinale, J.C. Girard, culture CBS138605.
Hosts/substrates: On Zingiber officinale (Zingiberaceae).
Distribution: France (Réunion).
Copyright 2022 by The American Phytopathological Society. Reproduced, by permission, from Luo, J., and Zhang, N. 2022. The Rice Blast Fungus and Allied Species: A Monograph of the Fungal Order Magnaporthales (https://my.apsnet.org/APSStore/Product-Detail.aspx?WebsiteKey=2661527A-8D44-496C-A730-8CFEB6239BE7&iProductCode=46826). American Phytopathological Society, St. Paul, MN.