Fig. 1 in Leaf Blister on Leucothoe grayana var.venosa Caused by an Exobasidium Species Exobasidium ḆŔḶJÕÒ¬ṪÒϮh‼įNṮƪssậ‹Ếữ›

Fig. 1. Morphology and symptoms of Exobasidium sp. on Leucothoe grayana var. venosa collected on Mt. Hakone Komagatake, Kanagawa Prefecture (KPM-NC 26934). Basidium with 2 sterigmata (arrows) (A), a sterigma bearing an immature basidiospore (B), ellipsoid basidiospore, one–celled when formed, becoming septate with 3–4 septa (arrows) (C), basidiospore with directly budded conidia (D), or germinated by a short germ tube (arrows) producing a conidium at the tip (E, F). Colony from a single basidiospore of Exobasidium sp. on PDA after 21 days incubation (G); colony was composed of conidia and pseudohyphae (arrows) (H). Chlorotic spot. Arrows indicate the old spots (I). Scale bars: A–F, H = 10 µm, G = 5 mm, I = 20 mm. Photographed by Hideyuki Nagao.