Tremella cultivation technology knowledge

Tremella has a wide range of raw materials for planting and it is easy to produce. Therefore, there is great potential for future development. A family farmer can use only 2 square meters of 15 square meters to plant 2500 bags at a time, and 6 batches a year. The net profit is more than 8000 yuan. Per 100 kg of cottonseed husk or miscellaneous wood chips can be earmellows 16 to 18 kg. Its main technology is as follows:
(1) Ingredients for growing Tremella culture ingredients, according to local resources, select the main raw materials according to local conditions, and made with other accessories. Broad-leaved trees such as poplar, willow and various fruit trees are available. The branches of these trees can also be sliced, dried and then pulverized into powdered wood chips. Cottonseed husk is a good raw material for growing Tremella. The yield per unit can be increased by 20-30% compared to sawdust. In addition, corn cob, bagasse, peanut shells, sunflower seeds, etc., can be used for planting after smashing into fines after drying.

Formula 1: Wood chips 100 kg, bran 25 kg, gypsum powder 4 kg, urea 0.4 kg, lime powder 0.4 kg, magnesium sulfate 0.5 kg, water 100-110 kg.

Formulation 2: 100 kg of cottonseed husk, 25 kg of bran, 4 kg of gypsum powder, 0.4 kg of urea, 0.4 kg of lime powder, and 100-200 kg of water.

Formulation 3: Bagasse 40 kg, cottonseed husk 20 kg, wood chips 40 kg, bran 30 kg, gypsum powder 3 kg, superphosphate 2 kg, urea 0.5 kg, water 100-110 kg.

After selecting the formula, pour the main raw materials into dry ground with wheat husks, gypsum powder, etc. and pour the sucrose, chemical fertilizer, magnesium sulfate into the water and pour it into the dry material. After three times of repeated stirring, sifting, Disperse the lumps, mix well, and control the moisture content by 55-65%. Ingredients should be selected on a sunny or cloudy morning, rainy days should not be.

(2) Bagging and mixing of good culture materials must be carried out within a certain period of time. Tremella planting bags, should be selected low-pressure high-density polyethylene film, flat width of 12 cm in diameter, film thickness of 3.5-4 meters, 50 cm long, per kilogram of material can be cut into 220-240 planting bags. Canned bottles can also be used as planting containers. General farmers use manual loading. When it is half loaded, it shakes and it is compacted and then loaded. Large-scale production should use a special bagging machine for medicinal and medicinal bacteria, which can hold 400 bags per hour. Bagging requires tight fitting and the bag mouth is tied with a plastic string. Put 4-5 inoculation holes on the material bag, the hole diameter is 1.2 cm, and the depth is 1.5 cm. Then wipe away the sawdust stained on the bag surface and seal the hole with a 3.33.3 cm square paper tape to form a white fungus. Culture medium. It is best not to exceed 5 hours from the end of the seasoning to bagging to prevent deterioration of the medium.

(iii) Sterilization Put a steamer on a large pot, stack the bag in the steamer, and stick the adhesive side up. Large-scale production and construction of special bricks for sterilizing stoves, a stove equipped with 1000 bags is appropriate. Sterilization should pay attention to three key points: First, after the bag enters the stove, it must be on-the-fire, and prevent air leakage, so that it can reach 100°C within 4 hours; the second is to maintain the bag within 14 hours at 100°C. Miscellaneous bacteria kill; Third, after reaching the sterilization temperature and time, it should be removed with heat to prevent the tape from getting wet.

(IV) Inoculate the sterilized material bag and wait until the temperature drops below 30°C before inoculating. Before inoculation, inoculate the inoculation room, and remove the layer of bacteria from the surface of the strain and remove the layer of aged hyphae. Then dig it down to stir the mycelia. When inoculating, first open the tape on the bag hole, use the inoculator to extract the bean size bacteria, quickly and quickly access the hole through the flame of the alcohol lamp, and smoothly seal the tape to prevent the invasion of bacteria. The bacteria species are 1-2 mm thinner than the tape, which is conducive to the formation of primordia. Each bottle of planting species can be connected to 25-30 bags of planting bags.

(5) The fungus and ear out of the fungus can be used in the same room. Conditional specialized households can build dedicated germ chambers and planting rooms. The terrain is required to be slightly higher, close to the water source, easy to clean the site, ventilation of doors and windows, and good light. It is also possible to put a simple ear shelter in the courtyard. Whether it is a house or a simple ear shelter, shelves for discharging planting bags must be set inside. The scaffolding can be made of bamboo and wood. The height is about 2.5 meters, the width is generally 50 centimeters, the shelf is divided into 8 layers, and the distance is 30 centimeters. Each shelf is flattened with bamboo to facilitate the discharge of bacteria bags. Around the room can be used plastic film enclosures, so that good insulation and moisture retention. The planting room is to be used for the disinfection of Sur and Dichlorvos.

After the inoculation of the bacteria bag, the first 4 days of indoor temperature maintenance 28 °C, not more than 30 °C is good, 5 days from room temperature 25 °C more appropriate. After 5 days of cultivation, the mycelium expands toward the hole. At this time, a turning inspection should be carried out. When the bacteria are found to be contaminated, they are injected with formalin. The arrangement of the bacteria bags in the room was stacked at the beginning with every 4-5 bags of wells to increase the temperature of the bags and accelerate the development of the mycelium. From the 5th day onwards, the bags should be discharged bag by bag on a rack bed, horizontally and horizontally, with a bag-to-bag spacing of about 1 cm. Insufficient winter temperatures can be used to increase the temperature of coal fires, but we must take care to eliminate carbon dioxide, so as not to harm the tremella mycelium.

The relative humidity of the indoor air is below 70%. Under the premise of maintaining the room temperature, ventilation should be performed 1-2 times a day to open doors and windows for 30 minutes each time. If the air temperature reaches the above requirements, windows can be opened for a long time to make the air fresh.

Releasing ventilation: Through 10 or so cultures, the mycelium in the bag has spread around the inoculation port to form a round shape. When the mycelium grows to a diameter of 10 cm, when the hole is in contact with the aquarium of the acupuncture point, it is necessary to set up a circular hole in the size of the soy bean in the tape, so that the oxygen penetrates into the material and accelerates the growth and development of the mycelium, but before the opening, Dichlorvos should be used to spray bags and spaces first. Twelve hours after the adhesive tape is peeled off, it should be sprayed with clean water, 3-4 times a day, but do not spray directly into the hole and combine ventilation. After 4 days, a white, villous mycelia cluster emerged gradually in the hole, commonly known as "white hair group". At this time, the indoor temperature was 20-23°C, and the relative humidity was 80-85%. With the physiological maturity of the hyphae, pale yellow water droplets (hyphae metabolic secretions) appear on the white hair group. At this time, the bag can be tilted toward the hole, allowing the yellow water to flow out of the hole, and the room temperature is adjusted to 25°C to make the yellow water. shrink. Generally, 15 to 16 days after inoculation, when white young rice ears gradually appear in the burrow, all the tapes should be torn off, covered with whole newspapers on the top of each bacterium bag, and sprayed on the paper to keep it moist.

(6) Ear-management Tremella differentiated from primordium to fruiting body, usually in about 18 days. Ear-specific management methods are:

Enlarging the hole and increasing oxygen: Cut the film about 1 cm along the edge of the ear hole with a blade, expand the hole, and increase the oxygen in the bag.

Spraying water and humidifying: spraying water 1-2 times a day in the covered newspaper, often keeping the newspaper moist and suitable. When the fruiting body grows to 3 cm, in order to avoid bad ears, the covered newspaper should be taken off and put. Exposure in the sun one day, and then back to use, every 3-5 days should be carried out once, every time you remove the newspaper should be separated every 12 hours, let the fruiting body contact oxygen, and then cover, continue to spray moisturizing. Ears stage spray more, the weather should be less wet spray, more ventilation; fruiting body growth in the middle; more water absorption, dry and sunny weather, should be less spray ventilation.

Pay attention to ventilation: Tremella fruit body grows to the strongest period of 24 to 29 days, the bag temperature is higher, if the room temperature exceeds 27 °C, you should open doors and windows throughout the day, long ventilation, and with the water management to prevent the rear ear after ventilation Tablets are dry.

Stop spraying to be received: 30 days after inoculation, the fruiting body has grown to about 12 centimeters, and should stop spraying water to the newspaper to prevent the ear from getting wet. After 5-7 days of dehumidification, the ear piece is thickened and transferred to the harvesting period.

Harvest processing: Tremella from inoculation to harvest, the whole process is generally 35-40 days, but when the harvest meets rainy days, can extend the harvest for 5 days. Mature white fungus, white drift crystal, the shape of peony, as large as a bowl, stretched ears, flexible, usually each diameter of 15-20 cm, fresh weight up to 150-200 grams.

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