High-yield cultivation techniques of Ganoderma lucidum with short wood clinker

The cultivation of short section wood clinker is a new cultivation technology of Ganoderma lucidum which has developed rapidly in recent years. The average yield of dried Ganoderma lucidum is more than 20 kg per cubic meter, and the high yield is more than 30 kg, which is 20% higher than that of conventional cultivation. Ganoderma lucidum has a thick texture and glossy texture, and its acid content is higher than that of bag cultivation, and more than 90% of the products meet the export requirements.

1. Ganoderma lucidum belongs to medium and high temperature fungi in cultivation season, and its yield is related to tree species, cultivation time and cultivation techniques. The inoculation time can be arranged from late October to December, or from early February to early March, and 2-3 batches of fruiting bodies can be collected in the same year. Those inoculated before the first and middle of December can be buried in March of the second year, and the output of that year accounts for more than 70% of the total output, while that of April, which is inoculated in early February, accounts for 55% of the total output that year.

two。 The raw material ① broad-leaved trees are suitable for the cultivation of Ganoderma lucidum, but the hardened broad-leaved trees have high yield and good quality. For example, Castanopsis carlesii, Castanopsis fargesii, oak, etc., if cultivated with loose materials, the yield decreased significantly in the second year. Trees with a breast diameter of 8-20 cm are selected, and the felling time should be arranged 3-5 weeks before inoculation, truncation and shaving about 1 week before inoculation, and the water content should be 38% 45%. ② culture material uses miscellaneous sawdust as the main raw material, adding appropriate amount of wheat bran, gypsum powder and other auxiliary materials; plastic bags are made of low-pressure polyethylene cylinder material 0.45cm-0.6cm thick, bag mouth diameter is 14cm, 15cm, 20cm and other different specifications, bag length 45-55cm.

3. Production process raw material preparation (log cutting, cutting) → bagging → ligation → sterilization → inoculation → mycelium culture → bed covered with soil → to manage → Ganoderma lucidum harvest.

(1) cut the log into 30cm long pieces of wood by bagging, put sawdust culture material on the bottom and surface of the log, tie the mouth, sterilize under atmospheric pressure and maintain for 12-14 hours at 100 ℃.

(2) after inoculation, the sterilized bagged wood is moved into the inoculation room (or inoculation box) to cool, and inoculated strictly according to aseptic operation. The general seed consumption per cubic meter is 90-130 bottles. Large amount of inoculation can accelerate mycelial colonization and reduce pollution rate.

(3) the mycelium culture room was disinfected before putting it into the section wooden bag, and the inoculated section wood bag was stacked in the shape of "well". The room temperature was shaded and cultured at 20 ℃-25 ℃. One week later, the culture room was ventilated once at noon every day, and the ventilation rate was gradually increased with the extension of the inoculation time. After the mycelium matured for more than 60-70 days, the mycelium was cultured in buried soil.

(4) to go to bed and bury the soil in a place with leeward to the sun, good ventilation and convenient drainage to build a shade shed, remove weeds and insect pests before the fungus wood enters the shade shed, make a bed after several days of sun exposure, the bed is 100cm wide and 20cm deep, and the border bed is sprinkled with insecticide and ant insecticide, and the temperature is 16 ℃-22 ℃ in sunny days.

(5) after Ganoderma lucidum management fungus wood was buried in the soil, the bed surface of the border was kept moist all the time, and the greenhouse temperature was controlled at 26 ℃-30 ℃. It was unearthed in 15-20 days. Keep the relative humidity at 85%, 90%, and differentiate into the bacterial cap when the ventilation, temperature, humidity and light conditions are all suitable, so the management of Ganoderma lucidum focuses on the regulation of moisture, ventilation, temperature and light.

(6) when the cap disappeared along the yellow-white growth circle and the color of the cap deepened, the cap gradually thickened and a large number of reddish-brown spores were released, and water spraying was stopped before harvest.