They will not take nutrients from the substrate. The sooner you take them off, the better. Such druses (the first and second pictures ↓) will no longer turn into full-fledged mushrooms. It happens that the hat does not develop at all and looks like a black or brown dot. It happens that the hood is at the lowest point – this is also wrong. The fan power is not enough or the air ducts are small in diameter, or there are not enough cup nozzles, or the flow rate is low. Mushroom growers say that oyster mushrooms lack oxygen.īut this is not true – in fact, in this case, the ventilation system was not made correctly. The oyster mushroom stretches its leg, trying to get away from the vapors accumulated near the bunch – moisture, carbon dioxide and other metabolic products (photo below). Most often, the incorrect development of the fruiting body occurs when a thick stem grows and the cap is small. If primordials begin to appear en masse in the incubator, without ventilation, they develop with defects. There is no need to add more air, since the increased amount of carbon dioxide contributes to the formation of a large number of primordia in each bunch. The block turned whiteĪs the block overgrows, starting from 10-11 days, 15% -20% of fresh air can be added to the ventilation system of the incubator. So the mushrooms stretched out, because along with the heat, a large amount of carbon dioxide also got there. ![]() The air from the incubator entered the growing chamber to heat it. Until I thought to ask how he heats the growing room. He does not have a device, so he cannot measure CO2. It is clearly seen that the clusters look like with an excess of carbon dioxide, see the photo above.īut the client claims that he uses only outside air for ventilation. Therefore, you can not take warm air from the incubator into the growing chamber. And its concentration reaches 5-10 thousand ppm. Here the value of carbon dioxide is not regulated. What is the acceptable level of CO2 when growing oyster mushrooms?Ĭonsider the stages of development of the mushroom block. Sometimes the whole oyster mushroom is pulled out, as in this photo.Īnd you will not make out – where is her leg, where is her hat. The mushroom cap may completely stop growing and remain small.īut if the microclimate is put in order in time, the hat will continue to grow and the mushrooms will become almost normal. Therefore, the leg can be both thin and thick. The age of the oyster mushroom at the time of exposure to CO2 is of great importance. It depends on the concentration of carbon dioxide, temperature and humidity in the growing chamber. ![]() We do not always see such a deformation, where the stem of the mushroom is long and the cap is small. The more CO2, the worse for oyster mushroomsĬurvature of oyster mushroom fruits can be of different shapes.
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