Macgarvieomyces luzulae

Macgarvieomyces luzulae (Ondřej) Y. Marín, Akulov & Crous, Stud. Mycol. 92: 84 (2018).
MycoBank: MB823764.
        ≡ Pyricularia luzulae Ondřej, Česká Mykol. 42(2): 81 (1988).

Asexual state pyricularia-like. On SNA, hyphae branched, septate, hyaline, smooth, 2–3 μm diam. Conidiophores macronematous, solitary, erect, unbranched, subcylindrical, straight to curved, 2–3-septate, dark brown, thick-walled, finely verruculose, 60–120 × 4–7 μm. Conidiogenous cells, terminal, subcylindrical, dark brown, finely verruculose, 30–50 × 4–6 μm, with several protruding denticles, 1–4 × 1–1.5 μm. Conidia solitary, narrowly pyriform, 1(–2)-septate, hyaline to pale brown, guttulate, smooth, (18–)20–22(–30) × (4–)5(–6) μm, with a flat, truncate hilum, 2 μm diam. Sexual state unknown.

Colonies on MEA, PDA and OA 9 cm diam after 14 days at 25 °C; surface pale luteous with sparse to moderate aerial mycelium and smooth, lobate margins; reverse pale luteous. (Description from Marin-Felix et al., 2019).

Typification: Holotype PRM842743. Epitype CBSH-23355 (MBT379806). Ex-epitype culture CBS143401.

Gene sequences: MG934440 (ITS), MG934462 (ACT), MG934519 (CAL), MG934469 (RPB1).

Hosts/substrates: On leaves of Luzula (Juncaceae).

Distribution: Slovakia, Ukraine.


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 ( American Phytopathological Society, St. Paul, MN.