Cultivation technique 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. Cultivation season: Ganoderma lucidum belongs to medium and high temperature fungi, 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.
Raw materials: the species of ① broad-leaved trees are suitable for cultivating Ganoderma lucidum, but the broad-leaved trees with hard materials 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 DBH of 8-20 cm were selected, and the felling time should be arranged 3-5 weeks before inoculation, cutting and shaving branches about 1 week before inoculation. the suitable water content is 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 with a thickness of 0.45,0.6cm, with different diameters of 14,15,20cm, and the bag length is 45-55cm.
3. Production process raw material preparation (log cutting, cutting) → bagging, → ligation, → sterilization, → inoculation, → mycelium culture, → bed covering, → covering, → Ganoderma lucidum harvesting.
⑴ bagging: cut the log into 30cm long pieces of wood, bag them, put sawdust culture material on the bottom and surface of the log, tie the mouth, sterilize under atmospheric pressure and maintain at 100m E for 12-14 hours.
⑵ inoculation: after sterilization, the bagged section wood is moved into the inoculation room (or inoculation box) for cooling, 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.
⑶ mycelium culture: the culture room was disinfected before putting into the section wood bag, and the inoculated section wood bag was stacked according to the shape of "well". The indoor temperature was cultured under the shade of 20'E-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 time of inoculation. After the mycelium matured for more than 60-70 days, the mycelium was cultured in buried soil.
⑷ go to bed and bury the soil: choose a site 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, leaving a walkway, the border bed is sprinkled with insecticide and ant insecticide, and the temperature is 16-22 ℃ in sunny days.
⑸ Ganoderma lucidum management: after the fungus wood was buried in the soil, the bed surface of the border was always moist, the greenhouse temperature was controlled at 26-30 ℃, and the bud 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.
⑹ harvest: when the cap edge disappeared along the yellow-white growth circle, the cap color deepened, the cap gradually thickened, and released a large number of reddish-brown spores can be harvested, stop spraying water before harvest.
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Main points of cultivating Ganoderma lucidum with short logs
(1) Select suitable tree species for log treatment, cut them down in dormant period, cut them into 1~1.2 meters long, and stack them for fermentation for 30~40 days. (2) Inoculation, bacteria When the temperature is stable at about 20℃ (about 4~5 months) inoculation, inoculation after the "well" shape stack bacteria, after 10~15 days hyphae spread around the inoculation hole, the bacteria lying on the ground, covered with sand or wet sand, appropriate water spray during the sand coating, keep the sand wet. (3) After cutting and sand-coating the wood for one month, cut the fungus material into 1
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Pest control of Panax notoginseng
1. Both sides of yellow rust leaves are covered with rust powder, severely damaged, leaves falling off. Discovered diseased plants were immediately dug out; 0.2 Baume stone sulfur mixture was sprayed at the initial stage of disease, once every 7 days, for 2~3 consecutive times. 2. Anthrax occurs under conditions of excessive rain and humidity. After seedling or adult plant is infected, brown spots appear on stem and leaf, and then combine into large spots with yellow-green edges, and finally fester and die. Adjust the transparency of shade to make it uniform; spray 1∶1∶200 Bordeaux mixture or 65% Zineb 300 times solution at the beginning of disease. 3
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