CN102893805A - High-yield cultivation method of Pleurotus nebrodensis - Google Patents

Abstract

The invention relates to a high-yield cultivation method of Pleurotus nebrodensis. The high-yield cultivation method of Pleurotus nebrodensis is characterized by including the steps of firstly, stick preparation, spawn runing and ripening of Pleurotus nebrodensis; secondly, wall fruiting of Pleurotus nebrodensis sticks; thirdly, fruiting by directional reduction; and fourthly, later cultivation of Pleurotus nebrodensis. The high-yield cultivation method of Pleurotus nebrodensis is simple to operate and scientific in management. Special sticks prepared in early stage and special nutritional soil prepared in later stage guarantee sufficient nutrition for each stage of Pleurotus nebrodensis, normal development and growth are guaranteed, fruiting rate of Pleurotus nebrodensis is increased to less than 40% to more than 96%, biological efficiency is increased from average 33% to more than average 80%, and the rate of high-quality mushroom is increased from about 50% to more than 90%. The high-yield cultivation method of Pleurotus nebrodensis is applicable to scale cultivation.

Description

A kind of cultivation method that makes the Pleuotus nebrodensis Quel high yield

Technical field

The invention belongs to the mushroom-cultivating technical field, especially a kind of cultivation method that makes the Pleuotus nebrodensis Quel high yield.

The background technology Pleuotus nebrodensis Quel claims again white Pleurotus ferulae, mushroom body hypertrophy is pure white, and is nutritious, delicious, mouthfeel spy is good, protein content contains amino acid and reaches 18 kinds up to 14.7%, and contains abundant vitamin D and multiple mineral element and trace element, the fungi polysaccharide isoreactivity material that is rich in of Pleuotus nebrodensis Quel particularly, have the enhancing body immunity, the effect of balance the body physiological equilibrium, visible Pleuotus nebrodensis Quel is a kind of rare mushroom with development prospect.

The method of cultivation Pleuotus nebrodensis Quel is now: the bacterium rod is cultivated in first preparation, inoculates Pleurotus nebrodensis strain at the bacterium rod; After the inoculation bacterium rod solid size is placed in a bacterium in the drying room through sterilize, low temperature season can adopt dicode to put, and generally puts 4～6 layers, and half-light is cultivated.But, adopt the cultivating rate of this cultivation method Pleuotus nebrodensis Quel by less than 40%, biological efficiency only has 33%, and high-quality mushroom rate is no more than 50%.As seen existing Pleurotus nebrodensis cultivating process imperfection also, lower cultivating rate, lower biological efficiency and lower high-quality mushroom rate can directly cause the economic loss of peasant household.

Summary of the invention

The object of the invention is to overcome the deficiencies in the prior art part, a kind of cultivation method that makes the Pleuotus nebrodensis Quel high yield that provide easy and simple to handle, survival rate is high, biological efficiency is high.

The object of the present invention is achieved like this:

A kind of cultivation method that makes the Pleuotus nebrodensis Quel high yield is characterized in that: may further comprise the steps:

(1) preparation of Pleurotus nebrodensis rod, bacterium and maturing process;

(2) the wall formula fruiting process of Pleurotus nebrodensis rod;

(3) directional induction fruiting process;

(4) later stage of Pleuotus nebrodensis Quel cultivates.

And described step (1) comprises following processing:

(1) bacterium rod raw material

3 kilograms of 80 kilograms of cotton seed hullss, 20 kilograms of wood chips, 15 kilograms in wheat bran, 15 kilograms of upper soll layer fine earths, 0.1 kilogram of potassium dihydrogen phosphate, 0.2 kilogram in urea, 0.1 kilogram of dusty yeast and quicklimes;

(2) bacterium rod raw material preparation

1. the fresh feed of selecting high-quality, nothing to go mouldy;

2. first water-fast raw material is mixed under the siccative state;

3. more water-soluble raw material is dissolved in the water, water is 1.2～1.3: 1 with raw material gross weight ratio;

4. use machinery that raw material and water are puddled evenly, make it to reach material water mixing, material suction fully;

(3) raw material pack

1. adopt the high-quality plastics bag of polypropylene plastics film production;

2. the plastic sack specification is generally 17cm*38cm*0.045cm;

3. machinery pack, the material degree of tightness is moderate, and the pocket outward appearance is round and smooth, and by not staying the finger nest, it is flexible and can reduce to hold the material body with light finger;

4. every packed siccative is 0.6 kilogram;

(4) sterilization treatment

1. in 2 hours, enter sterilizing program after the material pack well;

2. pocket is packed into and sterilize in the casher box;

3. 100 ℃ of normal pressures were kept more than 18 hours;

(5) inoculation is processed

1. the bacterium bag is cooled to below 30 ℃ and enters vaccine program;

2. under the inoculation aseptic condition, inoculate operation;

3. use efficient aerial fog disinfectant 5 grams/cubic meter sterilization to begin inoculation after 30 minutes in the inoculating hood;

4. every bottle of bacterial classification connects bacterium bag 15-20 bag;

(6) sending out bacterium processes

1. cultivation environmental requirement: clean, drying, shading, well-ventilated;

2. 20 ℃-28 ℃ in collarium border was sent out in inoculation in rear 3-7 days, few ventilation or stuffy;

3. mycelia material feeding in 7-15 days after the inoculation was ventilated 35-70 minute every day;

4. 7-10 days inspection hyphal development situations after the inoculation are chosen living contaminants bacterium bag;

5. used aerosol dissipation microbial inoculum fumigation 1 time in cultivation environment 7-10 days;

6. send out the control of bacterium later stage and send out 18 ℃-22 ℃ in collarium border, ventilated every day 1-2 hour;

(7) mycelia maturation process

1. after the mycelia purseful, suitably reduce environmental temperature, environmental temperature is advisable with 18 ℃-22 ℃, and material temperature should not be elevated to more than 27 ℃;

2. ventilated every day 1-2 hour, and increased scattered light and reach the 500-1200 lux, kept 25-35 days;

(8) slaking subsequent treatment

1. mycelia slaking in 25-30 days is ripe after the mycelia purseful, has the fruiting ability;

2. thermal stimulation: 17 ℃-22 ℃ of daytimes, 4 ℃-18 ℃ of nights, 10 ℃-15 ℃ of the temperature difference;

3. light stimulation: give certain scattered light irradiation, illumination 300-800 lux;

4. increase ventilation, ventilated every day 2-3 hour.

And described step (2) comprises following processing:

(1) the interior water of booth, air, soil environment are not subject to the pollution of " three wastes ", meet the home environment requirement of non-polluted farm product, and cleaning inside, health have insulation, moisturizing, draughty performance; Facility is firm, has the ability of the bad natural calamities such as anti-strong wind, Chinese People's Anti-Japanese Military and Political College's rain, Chinese People's Anti-Japanese Military and Political College's snow;

(2) before the bacterium rod advances canopy 2-3 days, aerosol disinfection box 3-5 gram was used in 1 cubic metre of space, airtight 2-3 days, sprays desinsection, acaricide agent in booth

(3) preparation nutritive mud

Double centner fine earth, 60 kg water, 10 kilograms of diammonium hydrogen phosphates, 5 kg urea, 3 kilo sulfuric acid potassium, 2 kilograms of brown sugar, 500 milligrams of vitamin Cs mix;

(4) rod of the bacterium after the mycelia slaking one end is scratched mouth with pocket knife or sack is untied, and removes unnecessary plastic foil; The other end is scratched mouth with pocket knife or sack is untied, remove unnecessary plastic foil, with 3～5 centimetres of pocket knife ring cuttings of the plastic foil in the middle of the bacterium bag, in the fruiting field, take advantage of a situation and put into many rows, stay between row and row 50-60 centimetre of wide passageway, whenever insert above-mentioned nutritive mud in the gap of bacterium bag after putting a row, use between layers same nutritive mud floating, 8～11 layers of height are put at the base, trend between row and row is to ventilate easily, and walking conveniently is advisable, on the bacterium bag of last layer that nutrition earth is floating after, the lid layer plastic film guarantees that moisture is difficult for scattering and disappearing.

And described step (3) comprises following processing:

1. opening: open osculum winter, separate bag spring;

2. spray growth hormone: the triacontanol of bacterium bag opening or solution bag spray in rear 4-5 days 50-60 mg/litre 1 time;

3. thermal stimulation: daytime, environmental temperature was controlled at 15 ℃-18 ℃, was controlled at 2 ℃-7 ℃ night, thermal stimulation 7-8 days;

4. toga: with getting wet plastic mulching on the Pleurotus nebrodensis bag;

5. humidification: environmental temperature is increased to about 85%;

6. add lustre to: scattered light reaches the 500-800 lux;

7. ventilate: increase ventilation number and time in the mushroom canopy, ventilate 2-3 every day, each 0.5-1 hour.

And described step (4) comprises following processing:

(1) gold standard: mushroom body rounding, pure white, non-variegation is shell-like or palm shaped, and weight restrains at 180 grams～350,10～15 centimetres of bacteria cover diameters, 1.0～3.0 centimetres of thickness, stem is below 2 centimetres;

(2) cultivate

1. dredge flower bud: with pocket knife or bamboo let unnecessary small mushroom bud is rejected, the fruiting port of each bacterium bag preferably only stays a mushroom flower bud that the mushroom type is complete;

2. temperature control: the temperature that as far as possible controls environment is at 4 ℃～10 ℃;

3. control is wet: under 4 ℃～10 ℃ temperature condition, spray water every day 1～2 time, directly do not spray water on the mushroom body, spray water earthward and in the air, ambient humidity maintains about 85%;

4. ventilate: less to oxygen demand under 4 ℃～10 ℃ temperature, ventilated every day on daytime 1～3 hour;

5. control light: under 4 ℃～10 ℃ the temperature condition, direct sunlight does not affect Pleuotus nebrodensis Quel growth and quality, and color and luster is also constant; When temperature was higher than 16 ℃, high light can make the flavescence of mushroom body.

Advantage of the present invention and good effect are:

The present invention is easy and simple to handle; scientific management; by the special bacterium rod of preparation in early stage and the special dietary mud of later stage preparation; Pleuotus nebrodensis Quel all can obtain enough nutrition in each stage; guaranteed normal development and growth, the Pleuotus nebrodensis Quel cultivating rate is brought up to more than 96% by less than 40%, biological efficiency is brought up to average more than 80% by average 33%; high-quality mushroom rate has about 50% to bring up to more than 90%, is a kind of method that is suitable for large-scale planting.

Embodiment

Below in conjunction with embodiment, the present invention is further described, and following embodiment is illustrative, is not determinate, can not limit protection scope of the present invention with following embodiment.

One, Pleuotus nebrodensis Quel medium optimum formula

80 kilograms of cotton seed hullss, 20 kilograms of wood chips, 15 kilograms in wheat bran, 15 kilograms of fine earths (upper soll layer), 0.1 kilogram of potassium dihydrogen phosphate, 0.2 kilogram in urea, 0.1 kilogram of dusty yeast, 3 kilograms of quicklimes, material-water ratio 1: 1.2～1.3.

2, composts or fertilisers of cultivating compound method

(1) select high-quality without the fresh feed that goes mouldy;

(2) first water-fast supplementary material is mixed under the siccative state;

(3) more water-soluble auxiliary material is dissolved in the water;

(4) use machinery that raw material and water are puddled evenly, make it to reach material water mixing, material suction fully.

3, pack technical regulation

(1) the high-quality plastics bag of employing polypropylene plastics film production;

(2) the plastic sack specification is generally 17cm*38cm*0.045cm;

(3) machinery pack, the material degree of tightness is moderate, and the pocket outward appearance is round and smooth, and by not staying the finger nest, it is flexible and can reduce to hold the material body with light finger.

(4) every packed siccative is 0.6 kilogram.

4, sterilization technology rules

(1) the good rear sterilizing program that in 2 hours, enters of material pack;

(2) pocket is packed into sterilize in the casher box;

(3) 100 ℃ of normal pressures were kept more than 18 hours;

5, plant standardized operation technical regulation

(1) the bacterium bag is cooled to below 30 ℃ and enters vaccine program;

(2) under the inoculation aseptic condition, inoculate operation;

(3) use efficient aerial fog disinfectant 5 grams/cubic meter sterilization to begin inoculation after 30 minutes in the inoculating hood;

(4) every bottle of bacterial classification connects bacterium bag 15-20 bag;

6, bacterium phase technical management rules

(1) cultivation environmental requirement: clean, drying, shading, well-ventilated;

(2) 20 ℃-28 ℃ in collarium border was sent out in inoculation in rear 3-7 days, few ventilation or stuffy;

(3) mycelia material feeding in 7-15 days after the inoculation was ventilated 35-70 minute every day;

(4) 7-10 days inspection hyphal development situations after the inoculation are chosen living contaminants bacterium bag;

(5) used aerosol dissipation microbial inoculum fumigation 1 time in cultivation environment 7-10 days;

(6) send out the control of bacterium later stage and send out 18 ℃-22 ℃ in collarium border, ventilated every day 1-2 hour;

7, mycelia maturation period technical management rules

(1) after the mycelia purseful, suitably reduce environmental temperature, environmental temperature is advisable with 18 ℃-22 ℃, and material temperature should not be elevated to more than 27 ℃;

(2) ventilated every day 1-2 hour, increase scattered light and reach the 500-1200 lux, kept 25-35 days

8, Cui mushroom administrative skill rules

(1) mycelia slaking in 25-30 days is ripe after the mycelia purseful, has the fruiting ability;

(2) thermal stimulation: 17 ℃-22 ℃ of daytimes, 4 ℃-18 ℃ of nights, 10 ℃-15 ℃ of the temperature difference.

(3) light stimulation: give certain scattered light irradiation, illumination 300-800 lux.

(4) increase ventilation, ventilated every day 2-3 hour.

Two, the selection in fruiting place and processing

1, the selection in place

The fruiting field of Pleuotus nebrodensis Quel is day-light greenhouse.Water, air, soil environment are not subject to the pollution of " three wastes " in the booth, meet the home environment requirement of non-polluted farm product, and cleaning inside, health have insulation, moisturizing, draughty performance; Facility is firm, has the ability of the bad natural calamities such as anti-strong wind, Chinese People's Anti-Japanese Military and Political College's rain, Chinese People's Anti-Japanese Military and Political College's snow.

2, the sterilization in fruiting place

Before the bacterium rod advances canopy 2-3 days, aerosol disinfection box 3-5 gram was used in 1 cubic metre of space, airtight 2-3 days, sprays desinsection, acaricide agent in booth.

Three, adopt the middle ring cutting wall of single bacterium bag formula soil fruiting mode

1, the making of nutritive mud: double centner fine earth, 60 kg water, 10 kilograms of diammonium hydrogen phosphates, 5 kg urea, 3 kilo sulfuric acid potassium, 2 kilograms of brown sugar, 500 milligrams of vitamin Cs mix

2, after the mycelia maturation, first an end is scratched mouthful with pocket knife or sack is untied, remove unnecessary plastic foil; The other end is scratched mouth with pocket knife or sack is untied, remove unnecessary plastic foil, with 3～5 centimetres of pocket knife ring cuttings of the plastic foil in the middle of the bacterium bag, in the fruiting field, take advantage of a situation and put into many rows, stay between row and row 50-60 centimetre of wide passageway, whenever put a row and insert above-mentioned nutritive mud in the gap of bacterium bag afterwards, use between layers same nutritive mud floating, 8～11 layers of height are put at the base, and trend between row and row is to ventilate easily, and walking conveniently is advisable.After on the bacterium bag of last layer that nutrition earth is floating, the lid layer plastic film guarantees that moisture is difficult for scattering and disappearing.

This Ways of fruiting has solved the contradiction of bacterium bag easy dehydration of later stage, and fruiting is many, and output is high, good mushroom type.

Four, the quick fruiting technical regulation of directional induction

(1) opening: open osculum winter, separate bag spring;

(2) spray growth hormone: the triacontanol of bacterium bag opening or solution bag spray in rear 4-5 days 50-60 mg/litre 1 time;

(3) thermal stimulation: daytime, environmental temperature was controlled at 15 ℃-18 ℃, was controlled at 2 ℃-7 ℃ night, thermal stimulation 7-8 days;

(4) toga: with getting wet plastic mulching on the Pleurotus nebrodensis bag;

(5) humidification: environmental temperature is increased to about 85%;

(6) add lustre to: scattered light reaches the 500-800 lux

(7) ventilate: increase ventilation number and time in the mushroom canopy, ventilate 2-3 every day, each 0.5-1 hour.

Five, high quality white spirit mushroom culture technical regulation

1, gold standard: mushroom body rounding, pure white, non-variegation is shell-like or palm shaped, and weight restrains at 180 grams～350,10～15 centimetres of bacteria cover diameters, 1.0～3.0 centimetres of thickness, stem is below 2 centimetres.

2, breeding method:

1. dredge flower bud: with pocket knife or bamboo let unnecessary small mushroom bud is rejected, the fruiting port of each bacterium bag preferably only stays a mushroom flower bud that the mushroom type is complete;

2. temperature control: the temperature that as far as possible controls environment is at 4 ℃～10 ℃;

3. control is wet: under 4 ℃～10 ℃ temperature condition, spray water every day 1～2 time, directly do not spray water on the mushroom body, spray water earthward and in the air, ambient humidity maintains about 85%;

4. ventilate: less to oxygen demand under 4 ℃～10 ℃ temperature, ventilated every day on daytime 1～3 hour;

5. control light: under 4 ℃～10 ℃ the temperature condition, direct sunlight does not affect Pleuotus nebrodensis Quel growth and quality, and color and luster is also constant; When temperature was higher than 16 ℃, high light can make the flavescence of mushroom body.

Six, the type of Pleuotus nebrodensis Quel misshapen mushroom and prevention method

(1) misshapen mushroom type:

1. cap agensis type;

2. stem is crossed elongated;

3. horseshoe type;

4. ultra-large type.

(2) prevention method:

1. science is put the bacterium bag, in order to circulation of air;

2. dredge flower bud in good time;

3. strengthen the regulation and control of mushroom field envirment factor, add forced ventilation, ambient humidity maintains 85%～90%, and the light of mushroom field is fixing projecting direction preferably.

Seven, Pleuotus nebrodensis Quel gathers

It is more suitable that the fruit body of Pleuotus nebrodensis Quel is gathered when medium well, and the external sight of mushroom this moment is pure white, and the densification of mushroom matter is flexible, and the cap edge is involute, the lamella marshalling.Mushroom under adopting is contained in plastic crate or the bubble chamber.The bacterium bag of adopting behind the mushroom does not stay vestiges, simultaneously mushroom inferior is adopted in the lump, processes when go-no-go.

Claims (5)

1. cultivation method that makes the Pleuotus nebrodensis Quel high yield is characterized in that: may further comprise the steps:

(1) preparation of Pleurotus nebrodensis rod, bacterium and maturing process;

(2) the wall formula fruiting process of Pleurotus nebrodensis rod;

(3) directional induction fruiting process;

(4) later stage of Pleuotus nebrodensis Quel cultivates.

2. a kind of cultivation method that makes the Pleuotus nebrodensis Quel high yield according to claim 1, it is characterized in that: described step (1) comprises following processing:

(1) bacterium rod raw material

3 kilograms of 80 kilograms of cotton seed hullss, 20 kilograms of wood chips, 15 kilograms in wheat bran, 15 kilograms of upper soll layer fine earths, 0.1 kilogram of potassium dihydrogen phosphate, 0.2 kilogram in urea, 0.1 kilogram of dusty yeast and quicklimes;

(2) bacterium rod raw material preparation

1. the fresh feed of selecting high-quality, nothing to go mouldy;

2. first water-fast raw material is mixed under the siccative state;

3. more water-soluble raw material is dissolved in the water, water is 1.2～1.3: 1 with raw material gross weight ratio;

4. use machinery that raw material and water are puddled evenly, make it to reach material water mixing, material suction fully;

(3) raw material pack

1. adopt the high-quality plastics bag of polypropylene plastics film production;

2. the plastic sack specification is generally 17cm*38cm*0.045cm;

3. machinery pack, the material degree of tightness is moderate, and the pocket outward appearance is round and smooth, and by not staying the finger nest, it is flexible and can reduce to hold the material body with light finger;

4. every packed siccative is 0.6 kilogram;

(4) sterilization treatment

1. in 2 hours, enter sterilizing program after the material pack well;

2. pocket is packed into and sterilize in the casher box;

3. 100 ℃ of normal pressures were kept more than 18 hours;

(5) inoculation is processed

1. the bacterium bag is cooled to below 30 ℃ and enters vaccine program;

2. under the inoculation aseptic condition, inoculate operation;

3. use efficient aerial fog disinfectant 5 grams/cubic meter sterilization to begin inoculation after 30 minutes in the inoculating hood;

4. every bottle of bacterial classification connects bacterium bag 15-20 bag;

(6) sending out bacterium processes

1. cultivation environmental requirement: clean, drying, shading, well-ventilated;

2. 20 ℃-28 ℃ in collarium border was sent out in inoculation in rear 3-7 days, few ventilation or stuffy;

3. mycelia material feeding in 7-15 days after the inoculation was ventilated 35-70 minute every day;

4. 7-10 days inspection hyphal development situations after the inoculation are chosen living contaminants bacterium bag;

5. used aerosol dissipation microbial inoculum fumigation 1 time in cultivation environment 7-10 days;

6. send out the control of bacterium later stage and send out 18 ℃-22 ℃ in collarium border, ventilated every day 1-2 hour;

(7) mycelia maturation process

1. after the mycelia purseful, suitably reduce environmental temperature, environmental temperature is advisable with 18 ℃-22 ℃, and material temperature should not be elevated to more than 27 ℃;

2. ventilated every day 1-2 hour, and increased scattered light and reach the 500-1200 lux, kept 25-35 days;

(8) slaking subsequent treatment

1. mycelia slaking in 25-30 days is ripe after the mycelia purseful, has the fruiting ability;

2. thermal stimulation: 17 ℃-22 ℃ of daytimes, 4 ℃-18 ℃ of nights, 10 ℃-15 ℃ of the temperature difference;

3. light stimulation: give certain scattered light irradiation, illumination 300-800 lux;

4. increase ventilation, ventilated every day 2-3 hour.

3. a kind of Novel wet paper towel bag composite film according to claim 1, it is characterized in that: described step (2) comprises following processing:

(1) the interior water of booth, air, soil environment are not subject to the pollution of " three wastes ", meet the home environment requirement of non-polluted farm product, and cleaning inside, health have insulation, moisturizing, draughty performance; Facility is firm, has the ability of the bad natural calamities such as anti-strong wind, Chinese People's Anti-Japanese Military and Political College's rain, Chinese People's Anti-Japanese Military and Political College's snow;

(2) before the bacterium rod advances canopy 2-3 days, aerosol disinfection box 3-5 gram was used in 1 cubic metre of space, airtight 2-3 days, sprays desinsection, acaricide agent in booth

(3) preparation nutritive mud

Double centner fine earth, 60 kg water, 10 kilograms of diammonium hydrogen phosphates, 5 kg urea, 3 kilo sulfuric acid potassium, 2 kilograms of brown sugar, 500 milligrams of vitamin Cs mix;

(4) rod of the bacterium after the mycelia slaking one end is scratched mouth with pocket knife or sack is untied, and removes unnecessary plastic foil; The other end is scratched mouth with pocket knife or sack is untied, remove unnecessary plastic foil, with 3～5 centimetres of pocket knife ring cuttings of the plastic foil in the middle of the bacterium bag, in the fruiting field, take advantage of a situation and put into many rows, stay between row and row 50-60 centimetre of wide passageway, whenever insert above-mentioned nutritive mud in the gap of bacterium bag after putting a row, use between layers same nutritive mud floating, 8～11 layers of height are put at the base, trend between row and row is to ventilate easily, and walking conveniently is advisable, on the bacterium bag of last layer that nutrition earth is floating after, the lid layer plastic film guarantees that moisture is difficult for scattering and disappearing.

4. a kind of Novel wet paper towel bag according to claim 1 is compound, it is characterized in that: described step (3) comprises following processing:

1. opening: open osculum winter, separate bag spring;

2. spray growth hormone: the triacontanol of bacterium bag opening or solution bag spray in rear 4-5 days 50-60 mg/litre 1 time;

3. thermal stimulation: daytime, environmental temperature was controlled at 15 ℃-18 ℃, was controlled at 2 ℃-7 ℃ night, thermal stimulation 7-8 days;

4. toga: with getting wet plastic mulching on the Pleurotus nebrodensis bag;

5. humidification: environmental temperature is increased to about 85%;

6. add lustre to: scattered light reaches the 500-800 lux;

7. ventilate: increase ventilation number and time in the mushroom canopy, ventilate 2-3 every day, each 0.5-1 hour.

5. a kind of Novel wet paper towel bag according to claim 1 is compound, it is characterized in that: described step (4) comprises following processing:

(1) gold standard: mushroom body rounding, pure white, non-variegation is shell-like or palm shaped, and weight restrains at 180 grams～350,10～15 centimetres of bacteria cover diameters, 1.0～3.0 centimetres of thickness, stem is below 2 centimetres;

(2) cultivate

1. dredge flower bud: with pocket knife or bamboo let unnecessary small mushroom bud is rejected, the fruiting port of each bacterium bag preferably only stays a mushroom flower bud that the mushroom type is complete;

2. temperature control: the temperature that as far as possible controls environment is at 4 ℃～10 ℃;

3. control is wet: under 4 ℃～10 ℃ temperature condition, spray water every day 1～2 time, directly do not spray water on the mushroom body, spray water earthward and in the air, ambient humidity maintains about 85%;

4. ventilate: less to oxygen demand under 4 ℃～10 ℃ temperature, ventilated every day on daytime 1～3 hour;

5. control light: under 4 ℃～10 ℃ the temperature condition, direct sunlight does not affect Pleuotus nebrodensis Quel growth and quality, and color and luster is also constant; When temperature was higher than 16 ℃, high light can make the flavescence of mushroom body.