Our substrates are produced FRESH for you, so the production time is approximately 3 - 6 weeks.
Organic Tree Oyster Mushroom - P. ostreatus - Grain Spawn
for organic mushroom cultivation
Quantity discount:
from 3 pcs.
from 6 pcs.
from 30 pcs.
from 100 pcs.
Organic Tree Oyster Mushroom - Pleurotus ostreatus - Grain spawn
Synonyms: Oyster Mushroom, Hiratake, Tamogitake, Píng Gu, Sadafi, Chippikkoon
The Tree Oyster is a delicious edible mushroom that is highly easy to cultivate. The mycelium is exceptionally robust, making it one of the most popular cultivated mushrooms.
The fruiting bodies of the tree oyster can reach a diameter of 5 - 15 cm. The cap ranges from grey-brown to purple, with the colour transitioning to whitish towards the gills, and the stem.
Pleurotus is rich in B-complex vitamins such as B1 (thiamine), B2 (riboflavin), B5 (niacin), B6 and B7 (biotin). It also contains folic acid and vitamins C and D (calciferol). A quarter of the dry matter of this mushroom consists of proteins and contains all the essential amino acids. Other important components of Pleurotus are beta-glucans (polysaccharides), pleuran and lovastatin.
This fresh product is prepared fresh for you to order. The production time is around 3 - 6 weeks.
The mushroom spawn should be processed immediately after delivery.
If the product cannot be used immediately, it can be stored in the refrigerator at 4 °C for up to 2 weeks.
We recommend that you plan for this when ordering and making your preparations.
Suitable cultivation methods:
straw bales, wood logs, mushroom patch, spawn bags for indoor greenhouse
Suitable substrates: straw, paper, coffee grounds, pulp of coffee beans, hardwood
Suitable woods: poplar, oak, alder, aspen, acorn, beech, birch, ash, willow and elm
Outdoors: this strain produces fruiting bodies in late summer to early autumn Maple, birch, beech, oak, alder, ash, aspen, poplar, elm or willow.
This breeding strain bears fruit when grown outdoors in late summer to early autumn.
You receive fully colonised grain spawn on organic raw materials for inoculating
fruiting substrates.
1 autoclave bag with approx. 3 litres of mushroom spawn is suitable for inoculating 5 - 15 substrate bags,
1 autoclave bag with approx. 6 litres of mushroom spawn is suitable for inoculating 10 - 30 substrate bags.
Only recommended for advanced mushroom growers!
Bulk quantities for commercial mushroom cultivation on request.
Taxonomy:
Class: Agaricomycetes
Subclass: Agaricomycetidae
Order: Mushroom-like (Agaricales)
Family: Pleurotaceae (Pleurotaceae)
Genus: Pleurotus (Pleurotus)
Species: Oyster mushroom (Pleurotus ostreatus)
Spores: mostly white to grey, 7.5 - 9.5 x 3 - 4 µ, buckles are present (clamp connections)
Breeding conditions:
Phase 1: Mycelium growth
Temperature: 24 °C
Humidity: 85 - 95 %
Duration: 12 - 21 days
CO2: 5,000 - 20,000 ppm
Room air change: 1 per hour
Light: n/a
Phase 2: Primordia formation / initiation of fruiting
Temperature: 10 - 15.6 °C
Humidity: 95 - 100 %
Duration: 3 - 5 days
CO2: < 1,000 ppm
Room air exchange: 4 - 8 per hour
Light: 1,000 - 1,500 (2,000) lux
Phase 3: Fruiting and harvest
Temperature: 10 - 21 °C
Humidity: 85 - 90 %
Duration: 4 - 7 days
CO2: < 1,000 ppm
Room air exchange: 4 - 8 per hour
Light: 1,000 - 1,500 (2,000) lux
Harvest waves: every 7 - 14 days for 45 - 55 days
