button mushrooms spawn
- Thread starter raja64
- Start date
Hi
Of the many mushrooms only three kinds namely button mushroom (Agaricus bisporus), straw mushroom (Voluariella uoluacea) and oyster mushroom (Pleurotus sajor-caju) are suitable for cultivation in India.
Button mushroom is grown in winter. The most suitable temperature for the spread of the mycelium is 24-25°C, while 16-18°C is essential for the formation of fruit bodies.Higher temperature is harmful and low temperature retards the development of both mushroom mycelium and fruit bodies.
The cultivated mushroom is grown on special composts, which are of the following two types, synthetic and natural.
Composting yard
The compost should be prepared on well cleaned concrete or pucca floor, which should be at a higher level so that the run-off water does not collect near the heap.Composting is usually done in the open, but it has to be protected from rain by covering it with polythene sheet. It can also be done in a shed with open sides or a large room to shelter it from rain.
1. Synthetic compost
The following ingredients are required for 15-16 trays of size 100cmx50cmx15cm:-
Wheat straw (chopped 8-20cm long)-250kg, Wheat/rice bran-20kg, Ammonium sulphate/calcium ammonium nitrate-3 kg, Urea-3kg, Gypsum-20kg
The straw is uniformly spread over the compo sting yard in a thin layer and wetted thoroughly by sprinkling water. All ingredients such as wheat bran, fertilizers, etc. except gypsum, are mixed thoroughly in the wetted straw, which is finally heaped into a pile. The pile, 1m high, 1m wide and length adjustable, can be made with hand or stack mould. The straw should be firmly but not compactly compressed into the mould.
It is essential to open the entire pile and remake it a number of times according to the following schedule:
Mixing of material and making pile - 0 day
1st turning - 4th day
2nd turning - 8th day
3rd turning - 12th day, add 10 kg gypsum
4th turning - 16th day, add 10 kg gypsum
Final turning - 20th day,spray 10 ml malathion in 5 litre water (any other available pesticide like DOT, BHC, lindane can also be used)
At each turning water should be sprinkled to make up the loss of water due to evaporation. If it is desired to add molasses, then 10 kg molasses diluted 20 times with water should be poured over the straw mixture during the first turning. Sixty kg chicken manure, if available, can also be added at the time of start of pile.
2. Natural compost
The following ingredients are required for 15-16 trays of size 100cmx50cmx15cm:-
Horse dung-1000kg, Chopped wheat straw-300 to 350kg, Gypsum-25kg Poultry manure-100 to 110kg (or 3kg urea).
It is prepared from pure horse dung (dung of other animals should not be admixed), which must be freshly collected and should not have been exposed to rain. Chopped wheat straw is mixed with horse dung, urea or poultry manure. The mixture is uniformly spread over the compo sting yard and water is sprinkled over it so that the straw becomes sufficiently wet. The manure is then heaped in a pile as for synthetic compost. After 3 days when the manure in the heap gets heated up due to fermentation and gives off an odour of ammonia it is opened. The process is repeated 3 or 4 times after an interval of 3-4 days. Twenty five kg gypsum per tonne is added in two instalments at the 3rd and 4th turning. At the final turning 10 ml malathion diluted in 5 litres of water is sprayed into the manure.
Compost Filling in trays:
The compost when ready for fil1ing and spawning has a dark brown colour and no trace of ammonia. There is no unpleasant odour but it smells like fresh hay. The pH is neutral or near neutral. The compost should not be too dry or too wet at the time of filling in the trays, which can be determined by the palm test. For this purpose a small quantity of compost is taken into the hand and pressed lightly, if a few drops of water ooze out of the fingers then it is of right consistency. If relatively dry then the water should be made up by sprinkling. If too wet, the excess water should be allowed to evaporate. The prepared compost is now filled in trays, which may be of any convenient size but depth should be 15-18 cm. A standard size of tray is 100 cm x 50 cm x 15 cm. The trays should be made of soft wood and provided with the pegs at the four corners so that they can be stacked one over the other leaving sufficient space (15 cm) between the two trays for various operations. The trays are completely filled with the compost, lightly compressed and the surface levelled.
Spawning
Spawning means sowing the beds with the mycelium (spawn) of the mushroom. Spawn can be obtained from Mushroom Laboratory, Y. S. Parmar University, Chambaghat, Solan; National Mushroom Research and Training Centre, Chambaghat, Solan (H.P.) at a nominal cost. Small quantity of spawn is also available from the Division of Mycology and Plant Pathology, Indian Agricultural Research Institute, New Delhi. The grain spawn is scattered on the surface of the tray bed which is covered with a thin layer of compost. Spawning can also be done by mixing the spawn with compost before filling it in trays. Five hundred gram spawn is sufficient for five trays of standard size. After spawning, the compost surface is covered with old newspaper sheets, which are wetted by sprinkling water to provide humidity but no water is directly added to the compost during spawn running.
The trays after spawning are stacked vertically one over the other in 4-5 tiers. One metre clear space may be left in between the top tray and ceiling. There should be about 15-20 cm space between the two trays.
The room should be maintained around 25°c. The humidity should be built up by frequently watering the floor and walls. The room may be kept closed as no fresh air is needed during the spawn run. White cottony mycelium spreads and permeates through the compost. Eventually the compost surface gets covered with the mycelium. It takes 12-15 days for complete spawn run. Low temperature prolongs the spread of the mycelium.
Regards
Ashwini
Of the many mushrooms only three kinds namely button mushroom (Agaricus bisporus), straw mushroom (Voluariella uoluacea) and oyster mushroom (Pleurotus sajor-caju) are suitable for cultivation in India.
Button mushroom is grown in winter. The most suitable temperature for the spread of the mycelium is 24-25°C, while 16-18°C is essential for the formation of fruit bodies.Higher temperature is harmful and low temperature retards the development of both mushroom mycelium and fruit bodies.
The cultivated mushroom is grown on special composts, which are of the following two types, synthetic and natural.
Composting yard
The compost should be prepared on well cleaned concrete or pucca floor, which should be at a higher level so that the run-off water does not collect near the heap.Composting is usually done in the open, but it has to be protected from rain by covering it with polythene sheet. It can also be done in a shed with open sides or a large room to shelter it from rain.
1. Synthetic compost
The following ingredients are required for 15-16 trays of size 100cmx50cmx15cm:-
Wheat straw (chopped 8-20cm long)-250kg, Wheat/rice bran-20kg, Ammonium sulphate/calcium ammonium nitrate-3 kg, Urea-3kg, Gypsum-20kg
The straw is uniformly spread over the compo sting yard in a thin layer and wetted thoroughly by sprinkling water. All ingredients such as wheat bran, fertilizers, etc. except gypsum, are mixed thoroughly in the wetted straw, which is finally heaped into a pile. The pile, 1m high, 1m wide and length adjustable, can be made with hand or stack mould. The straw should be firmly but not compactly compressed into the mould.
It is essential to open the entire pile and remake it a number of times according to the following schedule:
Mixing of material and making pile - 0 day
1st turning - 4th day
2nd turning - 8th day
3rd turning - 12th day, add 10 kg gypsum
4th turning - 16th day, add 10 kg gypsum
Final turning - 20th day,spray 10 ml malathion in 5 litre water (any other available pesticide like DOT, BHC, lindane can also be used)
At each turning water should be sprinkled to make up the loss of water due to evaporation. If it is desired to add molasses, then 10 kg molasses diluted 20 times with water should be poured over the straw mixture during the first turning. Sixty kg chicken manure, if available, can also be added at the time of start of pile.
2. Natural compost
The following ingredients are required for 15-16 trays of size 100cmx50cmx15cm:-
Horse dung-1000kg, Chopped wheat straw-300 to 350kg, Gypsum-25kg Poultry manure-100 to 110kg (or 3kg urea).
It is prepared from pure horse dung (dung of other animals should not be admixed), which must be freshly collected and should not have been exposed to rain. Chopped wheat straw is mixed with horse dung, urea or poultry manure. The mixture is uniformly spread over the compo sting yard and water is sprinkled over it so that the straw becomes sufficiently wet. The manure is then heaped in a pile as for synthetic compost. After 3 days when the manure in the heap gets heated up due to fermentation and gives off an odour of ammonia it is opened. The process is repeated 3 or 4 times after an interval of 3-4 days. Twenty five kg gypsum per tonne is added in two instalments at the 3rd and 4th turning. At the final turning 10 ml malathion diluted in 5 litres of water is sprayed into the manure.
Compost Filling in trays:
The compost when ready for fil1ing and spawning has a dark brown colour and no trace of ammonia. There is no unpleasant odour but it smells like fresh hay. The pH is neutral or near neutral. The compost should not be too dry or too wet at the time of filling in the trays, which can be determined by the palm test. For this purpose a small quantity of compost is taken into the hand and pressed lightly, if a few drops of water ooze out of the fingers then it is of right consistency. If relatively dry then the water should be made up by sprinkling. If too wet, the excess water should be allowed to evaporate. The prepared compost is now filled in trays, which may be of any convenient size but depth should be 15-18 cm. A standard size of tray is 100 cm x 50 cm x 15 cm. The trays should be made of soft wood and provided with the pegs at the four corners so that they can be stacked one over the other leaving sufficient space (15 cm) between the two trays for various operations. The trays are completely filled with the compost, lightly compressed and the surface levelled.
Spawning
Spawning means sowing the beds with the mycelium (spawn) of the mushroom. Spawn can be obtained from Mushroom Laboratory, Y. S. Parmar University, Chambaghat, Solan; National Mushroom Research and Training Centre, Chambaghat, Solan (H.P.) at a nominal cost. Small quantity of spawn is also available from the Division of Mycology and Plant Pathology, Indian Agricultural Research Institute, New Delhi. The grain spawn is scattered on the surface of the tray bed which is covered with a thin layer of compost. Spawning can also be done by mixing the spawn with compost before filling it in trays. Five hundred gram spawn is sufficient for five trays of standard size. After spawning, the compost surface is covered with old newspaper sheets, which are wetted by sprinkling water to provide humidity but no water is directly added to the compost during spawn running.
The trays after spawning are stacked vertically one over the other in 4-5 tiers. One metre clear space may be left in between the top tray and ceiling. There should be about 15-20 cm space between the two trays.
The room should be maintained around 25°c. The humidity should be built up by frequently watering the floor and walls. The room may be kept closed as no fresh air is needed during the spawn run. White cottony mycelium spreads and permeates through the compost. Eventually the compost surface gets covered with the mycelium. It takes 12-15 days for complete spawn run. Low temperature prolongs the spread of the mycelium.
Regards
Ashwini
linutjames
New Member
thank you, The information is really helpful and valuable for me. May I get the contact details of persons that give white button mushroom spawn through Currier service
finestcarpet1234
Member
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