BioImages: The Virtual Field-Guide (UK)
Unidentified Amerosporium (Unidentified Amerosporium Excipulate Coelomycetes)
||26 March 2007
|OS grid ref
||51° 20' N, 1° 10' W
||Vice County: Berks, VC22, England
(Please quote this in any queries about this record)
|Stage or state
||Dematiaceous hyphomycete on Ornamental Gourd in storage
||on fruit of Cucurbita pepo ssp. ovifera
||A storage rot on Ornamental Gourd which hadn't ripened sufficiently.
Abundant greyish-brown walled, projecting, septate setae, darkest and widest (5µm) at slightly sinuous base, base rarely bulbous and then 13µm, tapering to 2.5µm at rounded, hyaline, apex, up to 200µm long.
Conidia: hyaline, aseptate, cylindric to slightly fusiform, ends tapered and curved, to slightly acicular, 20-30/2.5µm
Conidiophores: hyaline, in pustules, growing from blackish basal layer and between setae.
Dictyochaeta comes close, if it's not Amerosporium.