🍄 Macro-Morphological Characteristics

🧢 Cap (Pileus)

• Diameter ranges from 30–75 mm * Conic to convex, often expanding to sub-umbonate at full maturity

• Brilliant translucent porcelain-white to pale ivory coloration, occasionally exhibiting faint blue-gray hues near the center

• Margins remain slightly wavy or rolled, rarely flattening completely

✨ Cap Surface (Cuticle)

• Non-hygrophanous

• Smooth, smooth-to-leathery cuticle with a soft satin finish

• Highly sensitive to touch, rapid deep indigo bruising upon slight physical contact

🌙 Gills (Lamellae)

• Adnexed to nearly free attachment

• Medium to close spacing

• Start pale cream to pale gray, maturing to a muted slate blue or pale purple-gray due to light or sterile spored genetics

🌿 Stem (Stipe)

• Thick, solid, and heavily textured

• 80–140 mm tall × 12–25 mm thick

• Dense, fleshy, chalk-white exterior

• Intense, rapid azure-to-navy bruising when disturbed or handled

• Vestigial annulus that frequently tears or leaves a subtle, ragged collar high on the stipe

🔹 Flesh (Context)

• Very dense, solid white interior

• Bruises immediately to deep royal blue after sectioning or bruising

• Resilient, heavy structural texture

🔬 Microscopy

🧫 Spore Print

• Pale translucent lavender-gray to nearly colorless (lightly pigmented to true leucistic)

🔬 Basidiospores

• Size: 11–14 μm × 7.0–8.5 μm * Thick-walled

• Broad germ pore

• Sub-ellipsoid to slightly asymmetric profile

🧪 Basidia

• Predominantly four-spored

• Clavate

• Hyaline

🧬 Sterile Cells

• Abundant cheilocystidia

• Scattered pleurocystidia

• Variable fusoid to sub-capitate morphology

🌱 Mycelial Growth Characteristics

⚡ Growth Habit

SV-10 produces extremely fast, aggressively ropy rhizomorphic mycelium with thick strands that rapidly cross-link across media.

🧬 Sectoring

• Extremely low sectoring due to stabilized genetics

• Excellent long-term stability across serial agar transfers

• High genetic uniformity in laboratory isolation work

🚀 Colonization Speed

• Rapid colonization phase

• Typical grain colonization: 10–14 days under optimal sterile laboratory conditions

🕸️ Density

• Dense, brilliant-white mycelium

• High resistance to overlay and excellent substrate penetration power

🧪 Laboratory Cultivation Notes

🌾 Compatible Media

• MEA / PDA

• Whole oats, rye grain, wheat, or millet

• Pasteurized bulk substrates (Coir, Vermiculite, Gypsum – CVG)

🌡️ Fruiting Parameters

• Temperature: 22–26°C (72–78°F)

• Humidity: 90–95%

• Fresh Air Exchange: Moderate to High

SV-10 benefits from consistent humidity during pin initiation, yielding remarkably dense clusters with heavy, solid fruiting bodies.

📈 Productivity

• Heavy pin sets

• Exceptional fruit weight due to solid (non-hollow) stipes

• Strong multi-flush performance