Preventive measures for deformity of Pleurotus ostreatus in winter
1. Blue mushroom: during the growth of the mushroom body, a blue halo occurs on the edge of the mushroom cap, and even the whole mushroom body turns blue-black, which does not fade until harvest.
Preventive measures: it is better to use daylight, heating, electric heating and other methods to increase temperature. If firewood and coal are used to increase the temperature, closed heat transfer and smoke exhaust pipes should be installed, and it is not suitable to build the stove directly in the mushroom room.
2. Pleurotus ostreatus: after the occurrence of the primordium, the differentiation of the cap is not consistent with the rate of development, which is characterized by a long stalk, a thick and thin bottom, but no umbrella, and the diameter of the cap is smaller than that of the stalk, forming a big foot deformity.
Preventive measures: pay attention to ventilation and reasonable water spraying. Even if you encounter continuous low temperature weather, the mushroom production period should be controlled within the time of high temperature of the day, a short period of ventilation should be carried out, and water should be sprayed frequently, but not too heavy at one time.
3. Pleurotus ostreatus: tumor-like or granular protrusions appear on the surface of the cap, which is called blistering or wrinkling in the mushroom, and the growth of the bacteria is slow. In severe cases, the cap shrinks and the mushroom body stops growing.
Preventive measures: when planting Pleurotus ostreatus in winter, we must find out the lowest temperature that the cultivated varieties can withstand for normal growth and development, do a good job of heat preservation and temperature increase, and control the temperature of the mushroom bed. When adopting variable temperature stimulation measures, it should also be controlled within the suitable temperature range of mushroom body development, and the cooling process should not take too long. In general, the medium temperature type should be controlled above 8 ℃, and the low temperature type should be controlled above 0 ℃.
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Summer Management of Pleurotus ostreatus planted in Spring
Pleurotus ostreatus sown in early spring, after entering summer, due to the increase of temperature and humidity, not only inhibit the formation of mushroom buds, but also conducive to the breeding and spread of diseases and insect pests, it is necessary to carry out summer management. First, choose a place with high terrain and convenient drainage, dig a ditch with a depth of 60 cm to 80 cm and a width of 50 cm, pat the four walls, sprinkle the ditch with lime powder, or spray 800 times the carbendazim solution with lime milk. If there are diseases and insect pests in the culture material, it should be treated first. For those who have been infected with miscellaneous bacteria, scrape off the contaminated area and use lime milk or 800
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Wild and High-yielding cultivation of Pleurotus ostreatus in Winter and Spring
The Pleurotus ostreatus produced by imitating wild cultivation technology can not only taste like wild delicacy, but also achieve high ecological quality and high yield. Even in cold winter and low temperature in early spring, we can make full use of ground temperature to produce thick, fresh and tender Pleurotus ostreatus in the relatively airtight shade shed. The yield of this method is more than 60% higher than that of conventional cultivation, more than 40% higher than that of bacterial wall and other cultivation methods, and the biological conversion rate can reach more than 220%. The specific cultivation techniques of Pleurotus ostreatus in winter and spring imitating wild high yield and high quality are as follows: first, mycelia are cultured under high pressure or atmospheric pressure.
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