Causes and Prevention of Pleurotus ostreatus
Pleurotus ostreatus grows between the bottle wall (culture bag) and the culture material, the mushroom body is generally small and has no commercial value, but the mushroom absorbs a large amount of nutrients and water in the process of growth, so that the fruiting body on the surface of the cultivation bag can not grow normally or grow slowly. in serious cases, the surface of the cultivation bag does not form a fruiting body primordium. The main reasons for the formation of adherent mushrooms are: the culture bag is too loose or uneven, there is a gap between the culture bag (bottle) and the culture material; the water content of the culture material is low, the bacteria tube shrinks, and the gap is formed between the culture bag (bottle) and the material; in the process of handling or bagging, careless work makes the cultivation bag break, which is easy to occur.
Preventive measures: first of all, pay attention to the quality of bagging, be careful when working and prevent breaking bags. If the material wall is separated due to insufficient water content of the culture material, the culture material can absorb water and expand and reverse the separation phenomenon of the material wall through irrigation.
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Production techniques of plane cultivation and subculture of Pleurotus ostreatus
Pleurotus ostreatus has a broad development prospect in Shandong Province because of its strong growth potential, good stress resistance, easy cultivation and popularization, high biological efficiency and so on. Shandong Province is a major cotton planting province, and the planting area of cotton has increased in a straight line in recent years, and the cottonseed shell is of high quality and low price. Now the cottonseed shell is used as the main material, the plane cultivation of fermentation material is adopted, and the production technology of subculture of Pleurotus ostreatus is introduced as follows. 1. Strain production 1. Select strains with strong growth potential, good stress resistance, high and stable yield and wide temperature range, such as Yuhuang.
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Bag planting method in mushroom house (shed)
1. Cultivation site and setting. Bag cultivation adopts the layer shelf cultivation method of mushroom house (shed). Choose a clean and ventilated room with 4-5 beds with a distance of 50 cm and the ground floor 30 cm from the ground. The single layer of bacterial bag is vertically placed on the shelf, and 100 bags are discharged per square meter. two。 Cultivation raw materials and formulations. (1) 23% sawdust, 23% cottonseed hull, 28% bean stalk powder, 19% wheat bran, 5% corn meal, 1% sucrose, 1% calcium carbonate; (2) 36% sawdust, 25% cottonseed hull, beans
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