![]() ![]() Sometimes balls are formed instead of primordia – the mass merges into one cluster, which looks like a cauliflower inflorescence, but fruiting bodies do not form from it. This substance has many underdeveloped mushrooms (photo on the left below), and turn into cones – ugly growths (center and right). Such mycelium continues to multiply by cell division, forming growths that are not able to turn into mushrooms. Mycelium made at home or replicated many times may lose the ability to produce fruiting bodies. These cone-like growths do not separate into individual mushrooms. If a jump in the microclimate occurred during the origin of primordia, the growth process (morphogenesis) is disrupted and an ugly cluster of white tubercles emerges from the slot. Most likely, they will grow not from these holes, but from those where there was no hard crust of the stroma.īy the way, if the nozzles are not located in the air ducts and water enters the slots on the blocks, such an undifferentiated heap of stroma is also formed. If there is a normal microclimate, mushrooms will grow. With sharp jumps in temperature and/or humidity, the mycelium closes the hole, protecting the interior from adverse conditions.Ĭarefully remove the stroma, transfer the bags to the grow room. – Violation of incubation conditions when the substrate has already turned white. Then, instead of oyster mushrooms, a dense mass similar to cotton wool (see image) or cones grows from the holes, which do not turn into mushrooms. This is a perforated stroma.Īnd under the film – a clean, well-grown substrate, without the slightest sign of stroma. Sometimes a white substance similar to fluff appears in the perforation, which does not turn into primordia. Something white in the mushroom block slot The climate in the chamber must be stable! Ventilation should work constantly, humidity and temperature should be regulated by sensors with controllers. Sometimes it is a continuous film that is not visible, sometimes separate drops. A common cause of fluctuations in temperature and humidity is the inclusion of ventilation on a timer or several times a day.Īfter the ventilation is turned off, the humidity drops, and when it is turned on, it increases significantly, forming condensate on the primordia. If they are torn off and squeezed by hand, water appears. In this case, the mushroom pins turn yellow and lock. Look, maybe the nozzle cup in the duct has turned and blows directly on the perforation. Strong airflow in the oyster mushroom growing room due to the fact that the ventilation system is incorrectly calculated or installed.Too many holes in the bag, as in the photo – the substrate dries out due to increased evaporation of moisture through the cuts.Humidity of mushroom blocks before the start of the first wave should be 68-70%.Ī pasteurized substrate can have a moisture content of up to 73-74% if it overgrows without defects. Or the humidity decreases during the incubation period, if the air humidity in the incubator is 60-65%. ![]() ![]() Humidity may be low initially as a result of improper heat treatment. Primordia come out and dry upĮven if the total mass of pins is divided into individual mushrooms, they turning yellow, wither and dry out. The reason for any anomalies in the development of oyster mushroom fruiting bodies is non-compliance with the technology of production of the substrate and / or microclimate disturbances in the incubation and in the growing chamber. Therefore, primordia stopped growing and normal mushrooms did not form. When primordia began to grow in the room it was +16 and very high humidity of 95%. The bags stood close, overheated where they touched. In the photo we see a violation of gas exchange in the block. Therefore, I repeat all the time: Humidification should be only in the air ducts! Ugly buds or an undifferentiated white mass is formed if the substrate is soaked, or if water is poured into the slots from the nozzles hung in the chamber. Mold settles on dead mushroom pins and they rot. They suffocate and die under a film of condensate. In this case, the primordia become wet and slimy from condensation. The blocks are transferred from the incubator, where it is warm and the humidity is low (75-80%), to the grow room, where it is cool and the humidity is high (88-89%). too high airflow speed near mushroom clusters.įor example.large fluctuations in temperature and humidity that occur quickly, in short periods of time,.Almost all primordia growth defects are associated with violations of microclimate conditions: ![]()
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