GROWING GOURMET - Anto2ni.it

294 GROWTH PARAMETERS
MicroscopiC Features: Spores white 11-14 x4-5 p. Hyphal system
monomitic. Sterile cells on the cap well
developed. The coremic structures on the gills can be seen with a hand lens. Dikaryotic mycelium, capable
of producing mushrooms,
only arise from two celled conidia. If asexual spores (conidia) are single celled,
then the strain is monokaryotic, and incapable of producing fertile mushrooms.
Available Strains: Strains are easily obtained from most culture libraries. ATCC # 28599 is the
type culture.
Mycelial Characteristics: P. cystidiosus is the most unusual Oyster mushroom I have seen in
culture. At first the mycelium resembles, any Oyster strain- white, racing linearly, soon fluffy
white and aerial. However, as it grows outwards, black droplets form, radiating outwards from the
center as the mycelium matures. (See Figure 265 & 266). These are coremia—stalk-like cells
whose tops are fitted with liquid droplets of black spores. The spore-laden black droplets do not
pose a contamination threat to other cultures in the laboratory until they dry and harden, at which
time they can become airborne. If petri dishes are not handled carefully, the droplets will streak
across the media, freeing them. One advantage to the cultivator of this imperfect stage is that inoculation
of any substrate with pure culture spawn has an additional complement of asexual
spores, effecting a simultaneous "spore mass" inoculation. Colonization is comparatively fast.
Fragrance Signature: Musty, farinaceous, not pleasant, not anise-like.
Natural Method of Cultivation: Dead or dying maple, cottonwood, sweetgum elms, styraciflua), and Asian Oaks (Quercus nuttalli & allies).
beeches, oaks
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