Introduction of King Oyster Mushroom or Pleurotus Eryngii:
History of King Oyster Mushroom:
In the early times, everybody treated mushrooms as a special kind of food, they consider as the oldest microbial food.
Among higher fungi, Pleurotus is well considered as an economically important genus. It accepts every season with ease of being common. King Oyster Mushroom (Pleurotus Eryngii) is full of Health Benefits.
Thus, king oysters (Pleurotus mushrooms) are now cultivated on many agricultural wastes and industry. King Oyster Mushroom is very much liked in countries like China and Japan.
King oyster mushroom is a mainstream mushroom of countries like China, Japan. And this mushroom is being liked in these countries due to its texture and shelf life and pulp.
In Japan in the early 1950s, king oyster mushrooms were cultivated in wooden logs, but by the 1960s, this mushroom was cultivated in plastic bottles with sawdust.
1993, the cultivation of king oyster mushroom started in bottling in Japan and since then the production and demand of king oyster mushroom have steadily increased and on the other hand.
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The cultivation and production of Pleurotus ATS gradually decreased in Japan. During 1989, the production of Pleurotus was 35176 tonnes and decreased to 2375 tonnes in 2013 whereas, on the other hand, the production of king oysters increased from 1910 tonnes in 1993 to 40200 tonnes in 2013.
Production Technology Of King Oyster Mushroom:
Medium for growing:
- Rice bran
- wheat bran
- Cedar tree sawdust OR any wood sawdust
- Soybean powder
(Rice bran + soybean powder = 1: 1),
(Wheat bran + Rice bran = 1: 1),
(soybean powder + Wheat bran = 1: 1), and
(Wheat bran + rice bran + soybean powder = 1: 1: 1)
By Method 1 :
In Japan, king oyster mushrooms are mainly produced by mixing with wheat or rice bran or cedar tree sawdust or wood sawdust filling them in polypropylene bags.
The mushroom cultivation is continuously growing in China and this mushroom in China Mixing wheat bran in a cotton shell and wood sawdust in polypropylene bottles, and 65% moisture and 6.5 pH value of the above mixture fill in the bottle or PP bag of 1 to 1.5 Kg.
After cooling, they are mix with liquid mycelium culture and kept at a temperature of 23 to 27-degree centigrade.
When the mushroom mold completely spread, maintain the room temperature at 14 to 16 degrees Celsius and open the window for light and airflow. After some day mushrooms are ready to harvest
Medium for growing:
- wood sawdust
- wheat bran
- calcium sulfate
- calcium carbonate
By Method 2 :
The cultivation of king oyster mushrooms in our country is not being produced on an industrial scale.
In some small growing and experimental levels, this mushroom is cultivated in wood sawdust by adding 20 percent wheat bran, 0.5 percent calcium sulfate, 2 percent calcium carbonate, 60-62 percent moisture, and filling up to 2 kg in polypropylene bags.
Autoclave the bags at a pressure of 22 psi for 2 hours and after cooling, mix the grains at a rate of 4-5 percent.
Bags are incubated for 24-25 days at a temperature of 24-25 degrees. During this time, mycelium spreads in the entire bag. At this stage, these bags are transferred to the mushroom production room and open the mouth of the bags from above.
The production of king oyster mushroom starts in 10-12 days. The temperature of the room is about 14 to 16 °C and the humidity 80-90 percent.
The average biological production capacity of this mushroom is 50 to 60 percent in a cropping period of 30-40 days.
Eryngii produces fruiting bodies with diameter 3-10 cm; the shaft will be 3-10 cm long. The fruiting bodies of King Oyster will reach up to 300 grams under well environmental conditions.
Removing the mushrooms at the base of the stem, be careful not to damage the top of the block.
Fresh Pleurotus Eryngii Mushroom can be stored in the fridge for about 2 weeks!
Where to sold in India:
Fresh Pleurotus Eryngii Mushroom is sold in India at INA and Khan Market, Delhi at an average rate of Rs 500 to 600 per kg. When you buy a ready-to-go fruit bag, it costs Rs 200 per kg.
Include mushrooms in your daily diet, it will help you to increase your immunity and capability.
Get the training of king oyster mushroom in India from the Horticulture department.