![]() ![]() Mycelium perishes at high temperatures around 45☌ (Tokimoto and Komatsu, 1978). The survival of fungi is determined by temperature but also exposure time. Temperature is one of the most critical factors in cultivation of any kind of fungi as it affects survival, growth rate, time of fruiting, yields, molecular changes in protein structure and even mushroom morphology. Scientific studies on the effect of temperature shock This works as some kind of trigger, so that the mycelium understands that it has been taken out of its comfort zone and needs to form the reproductive organ of the fungus - the fruit body to spread spores as soon as possible and continue its fungal lineage. ![]() Heat Shock - is a procedure when the colonized mushroom cake with a casing layer is stressed by raising the temperature - for 3 hours at +35☌ to +37☌ (95-99☏) before introducing it to the fruiting conditions. What is cold shock and heat shock?Ĭold Shock - is a procedure when the colonized mushroom cake with a casing layer is stressed by a sudden drop in temperature - for 12-24 hours in the refrigerator at +2✬ to 4✬ (35-39☏) before introducing it to the fruiting conditions. Mushroom primordia how to#Let's figure out what is Cold Shock? What is Heat Shock? Why and how to proceed Cold Shock? Advantages and disadvantages of such methods. That's why it's highly debated topic online.įor each «pro» and «contra» there is its own logical argumentation. There are a number of positive and negative effects of temperature shock (cold shock and heat shock). Temperature shock method is used for pinhead initiation and for increasing yield. Another part of growers are vehement opponents of such approach. Before moving mushroom cakes in fruiting chamber, some growers proceed Cold Shock (Cold Shocking), less common - Heat Shock. ![]()
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