Leaf-inhabiting genera of the Gnomoniaceae, Diaporthales - CBS
Leaf-inhabiting genera of the Gnomoniaceae, Diaporthales - CBS
Leaf-inhabiting genera of the Gnomoniaceae, Diaporthales - CBS
You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
So g o n o v e t a l.<br />
Fig. 7. Culture morphology. A–O. Gnomonia neognomon. A–F. <strong>CBS</strong> 121244. G–L. <strong>CBS</strong> 121265. M–O. Ex-type <strong>CBS</strong> 121246. P–X. G. orcispora. P–S. AR 4286. T–X. <strong>CBS</strong><br />
121247. A–L, P–S, U–X. Colony habit, 40 d, 23 ºC. A, C, E, G, I, K, P, R, U, W. Surface. B, D, F, H, J, L, Q, S, U, X. Reverse. M–O, T. Peri<strong>the</strong>cia, 2/10 ºC. M, N, T. 4.5 mo. O. 8<br />
mo. A, B, G, H, P, Q, U, V. PDA. C, D, I, J, N, R, S, W, X. MEA. E, F, K– M, O, T. MYA. Scale: A–L, P–S, U–X. 1 cm. M–O, T. 200 μm.<br />
longitudo latitudoque similares G. gnomon, sed peri<strong>the</strong>cii rostris<br />
longioribus et semper eccentricis differt. Holotypus: BPI 877465A.<br />
Anamorph: Unknown.<br />
Etymology: Refers to <strong>the</strong> morphological similarity with G. gnomon.<br />
Peri<strong>the</strong>cia solitary, without stroma, hypophyllous, loosely scattered<br />
on blades and veins, immersed at first, erumpent at maturity, black,<br />
suboblate when moist, 170–250 µm high × 220–370 µm diam,<br />
concave when dry. Necks eccentric, straight or slightly sinuous,<br />
400–1075 µm long, 35–52 µm wide at base, 31–40 µm wide at<br />
apex. Asci fusiform, (39.5–)41–44.5(–48.5) × (8–)9–11(–12.5) µm<br />
(mean = 43.5 × 10, SD 3, 1.5, n=13), apical ring 1.5–3 µm diam, with<br />
eight parallel ascospores. Ascospores fusiform, slightly curved, (18.5–<br />
)20–22.5(–24.5) × 2–2.5 µm (mean = 21.5 × 2, SD 1.5, 0.2, n=29), l:w<br />
(7.9–)9.7–10.8(–12.7) (mean = 10.2, SD 1, n=29), two-celled, slightly<br />
constricted at septum, septum located at (45–)49–52(–57) % (mean<br />
= 50, SD 3, n=29) <strong>of</strong> ascospore length, cells tapering, at ends blunt,<br />
rounded, each cell with 4–7, guttules, usually one large guttule close<br />
to septum; appendages usually 2.5–4 µm long, cuneiform, sometimes<br />
absent, sometimes whip-shaped, to 16 µm long.<br />
Cultures: Colonies on PDA attaining 35 mm diam after 40 d at 23 °C,<br />
radially furrowed, velvety, greyish orange to brownish orange, with<br />
droplets <strong>of</strong> clear exudate; margin well-defined, wavy; reverse dark<br />
24