1. Season arrangement: the fruiting of King oyster mushroom has a strict demand for temperature, sporocarps can’t form in too high temperature and too low temperature, it is best for people to arrange production season in accordance with the fruiting temperature range of selected varieties. The second flush of fruiting can be affected by the failing fruiting of first flush of King oyster mushroom. In general, fungus sacks are made in first ten days of September and fruiting can be realized in mid-to-end of October. In normal condition, fruiting will finish before and after New Year’s Day.
1. The formula of compost:
A. Corncob 50%, cottonseed hull 30%, bran 15%, corncob powder 3%, sucrose 1%, calcium carbonate 1%.
B. Sawdust 35%, cottonseed hull 40%, bran 20%, corncob powder 3%, gypsum 1%, sucrose 1%, the water content is 60% to 65% and it is best to mix sawdust and cottonseed hull.
3. Bagging, sterilization and inoculation: in general, King oyster mushrooms are cultivated by the method of mature material bag cultivation. In common practice, people could adopt plastic bags of 17 to 50 in length. After sterilization, people could inoculate in single-end, put fungus sacks in the cultivation room, where has moderate temperature and darker light. When spawns have grown to 1.0 to 1.5cm, people could ventilate in micropore, people could punch and inoculation in single-end, make bagging and realize spawn running, it is better to realize fruiting from inoculation hole.
4. Mushroom inducement and fruiting management:
A. Mushroom inducement: after growing full spawns, people could make shelving. Mushroom sticks should be arranged in mushroom greenhouse, guarantee a direction of north and south. Two rows should be arranged in each mushroom wall, fruiting end presents outward and management channel should be left. To prevent water accumulation in inoculation hole, before fruiting, fungus sacks must be downward, people could turn over fungus sacks and guarantee a upward direction on sporocarps after the formation of primordium and the developing of soy bean size.
B. Bud thinning: bud thinning on King oyster mushroom is an important technical link in ensuring good quality and high yield, proper operation can increase 10% to 20% of commodity value. Specific method is to prepare a sharp knife, leave 2 to 4 tiny buds in each fruiting surface and cut away tiny cusp of other tiny buds with sharp knife, then, people could leave proper spacing between each tiny buds to avoid congestion when buds are growing up. When conducting bud thinning, people shouldn’t hurt reserved buds, after finishing bud tinning, wall, ground and ventilation hole of greenhouse should sprayed timely, 100 times of bleach solution should be sprayed to prevent infection in wound of bud thinning.
C. Control moisture and temperature: the temperature of mushroom greenhouse should be kept between 10 to 18 degrees, primordium is hard to form when the temperature is under 10 degrees and differentiation will stop when the temperature is above 20 degrees. When the temperature is above 20 degrees all the time, formed tiny buds will become soft, withered and even dead. So, it is best for people to give ventilation in accordance with the size and quantity of mushrooms, what’s more, relative air humidity of greenhouse should be kept in between 85% and 90%. People could also increase relative air humidity by spraying water on ground or space. People should try not to spray water on sporocarps to prevent the phenomenon of rot, which is caused by bacterial infection.
D. Integrated control on disease and pests: main disease and pests of King oyster mushroom are bacteria, green mold, trichoderma and mushroom flies. In general, disease and pests are not easy to happen in low temperature, increasing ventilation and conducting temperature adjustment can prevent the occurrence of disease and pests. When finding bacteria, green mold and trichoderma, people could remove infected fungus sacks timely and bury deeply. For mushroom flies, people could utilize electrooptic lamp and sticky trap to trap and kill, people could also combine with pesticides to spray and kill.
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