Flammulina velutipes sometimes can be found uneven in production. What can be done to prevent this phenomenon?
After the buds, the Flammulina velutipes came into the mushroom period, and the fruiting bodies of the golden needle mushrooms began to grow on the medium, but the growth of the fruiting bodies had the difference of successively and strong and weak. In order to make the growth of Flammulina velutipes and increase the yield and quality of Flammulina velutipes, mushroom farmers should restrain the healthy offspring through the control of the greenhouse environment to accelerate the growth of slower developing subentities and achieve a uniform and uniform purpose.
First, reduce the temperature in the shed. Lowering the temperature in the shed to 4 -6 C can inhibit the growth rate of Flammulina velutipes, so that the growth of Flammulina velutipes is consistent. Secondly, increase ventilation time to meet the oxygen demand of Flammulina velutipes. During the day, when the mushroom shed is not ventilated, the film covered with bacteria bags should be lifted and ventilated. In the evening, when the ventilation of the mushroom shed is cooled, the mushroom should cover the bacteria bag. When the temperature in the shed is reduced to 4 -6 C, then the vent of the mushroom shed is closed. Generally speaking, Flammulina velutipes should cover the membrane for 12-14 hours in a day, and lift the film on the bacteria bag for 10-12 hours. Thirdly, try to keep the growth environment of Flammulina velutipes dark. Because the light of 1-2 lux has been able to meet the demand for the growth of Flammulina velutipes, if the light is too strong, it will lead to the deepened color and lustre of the base of the stalk and the larger cap, which will affect the commodity of the mushroom. In addition, the Flammulina velutipes has a strong light to the light. After the bag is placed well, it is generally unsuitable to move, and the light source should be fixed as far as possible. Otherwise, the mushroom handle will distort.
Finally, the relative humidity of the shed is maintained at 80%-85%. If the humidity is above 92%, the mushroom cover will be waterstained and even cause soft rot and brown spot disease. In practice, water can be sprayed to the ground and space at the initial stage of mushroom production, and then spray appropriate amount of mist water into the mushroom body according to the situation.
After 3-4 days, the inhibition of Flammulina velutipes can be relieved and the normal growth of Flammulina velutipes will be promoted. When the Flammulina velutipes entered the normal growth stage, the temperature in the sheds should be kept at 8 -12 C. the relative humidity of the air in the shed was kept at 80%-85% in the early stage of growth, and the relative humidity of the air was kept at about 80% in the late growth period. At the same time, in order to satisfy the oxygen demand of Flammulina velutipes growth, we should pay attention to increasing the ventilation time of bacteria bags to more than 12 hours. If the cap is too large, the farmers should appropriately shorten the ventilation time, enhance shade and reduce light. When the mushroom grows to 15-18 centimeters long, it can be harvested.
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