Due to unfavorable environmental conditions, the fruit body of Enoki mushroom often loses its normal state and causes deformities. The following four types are common.
1 Tip mushroom main symptoms: mushroom body tip (the cap is still stagnant in the young state when the primordium development, diameter of 1 ~ 2mm), the stipe in the lower part of the thick, similar to the tip of the needle, so often referred to as "pin mushroom ".
Cause: In the early development of the fruiting body, the concentration of sulfur dioxide in the growth environment is high, inhibiting the growth of the cap, forming the mushroom.
Control measures: Establishing good ventilation measures for the mushroom farm. After the bottle-shaped golden mushroom is formed, the young mushroom is formed for 3 to 5 days after the formation of the primordium, and then the bag is put on the bag. After the bag is bagged, the air is moved up and down once a day. Bag-incorporating mushroom is to strengthen the ventilating membrane in the early stage of solid growth so as to maintain sufficient fresh air in the bag to promote the differentiation of the cap and the thickening of the stipe.
The main symptoms of the 2 side mushrooms: mushroom buds do not appear from the surface of the culture medium, but appear on the side, that is, the wall.
Causes: During the production, the filling material of the cultivation bag is too loose, especially when a soft culture material with a fast decomposition rate is used, the local culture medium can easily shrink and come out of the wall. Under the stimulation of low temperature and light, the contraction occurs first. Base, due to the restrictions imposed by the package wall deformity.
Preventive measures: Properly fill some of the material when packing bags.
3 The main symptoms of the weak mushroom: The mushroom body is weak and inelastic, and the stipe is staggered and cannot stand upright. The site of weakness is often dark brown in the middle and lower part of the stipe, and the mushroom body will slowly shrink and die.
Causes: 1 The temperature is too high when mushrooming; 2 The concentration of sulfur dioxide in the growing environment is too large; 3 mushrooms infected. These will destroy the normal metabolic activity of the mushroom, leading to the loss of physiological function and gradual necrosis.
Control measures: The fruiting period should be arranged in the low temperature season as far as possible, do a good job of cultivation and management of young mushrooms, pay attention to temperature, humidity and oxygen regulation, do a good job of shading, cooling work.
4 easy to open mushroom main symptoms: mushroom body has not matured, the mushroom cover to open the umbrella early.
Causes: 1 Strains are not good enough; 2 Bacterial pollution occurs in the cultivation bag, which results in depletion of nutrients, resulting in lack of nutrients in the bag; 3 The concentration of sulfur dioxide in the small area of ​​the cultivation bag is low; 4 The air humidity in the mushroom house is high and the ventilation is poor.
Prevention and control measures: Select good strains, strictly control sterilization, mushroom house should be regularly disinfected. Adjust the content of sulphur dioxide in the bag and pay attention to ventilation.
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