It is important to change the color of Lentinus edodes sticks
When the mycelium of Lentinus edodes fills the bag and reaches a certain physiological maturity, the ventilation, light, temperature and humidity of the growth environment are artificially regulated, so that all the aerial hyphae on the material surface lodge and secrete pigments. the color of the material surface gradually changed from thick white and light white to light brown to brown and brown, and finally formed a brown membrane with multiple functions such as heat preservation, moisturizing, light protection, anti-miscellaneous bacteria and so on. This process is called color conversion. The color depth and film thickness of Lentinus edodes stick are closely related to the time, yield and quality of mushroom. Under general conditions, there are three basic situations in the relationship between color conversion (quality) and mushroom production (level):
The first is a normal color change, which meets the requirements. The results showed that the bacterial film was moderate in thickness, brown, the bark was shiny and elastic, the mushroom appeared on time, the mushroom bud was uniform, and the tide was obvious; the mushroom body developed normally, the yield was high and the quality was excellent.
The second manifestation is that the color change is too heavy. It is dark brown to dark brown, the bacterial film is thick and hard, the time of mushroom emergence is obviously later than its biological characteristics, its fruiting body is larger, the cover is thick, and the quality is high, but its yield is only 50% of the normal color conversion, or even lower, and it is even difficult to produce mushrooms in serious cases.
The third is that the color change is obviously tender. It shows that the bacterial membrane is thin, the color is light brown or yellowish brown, or a large white "flower spot" is formed. In this case, the mushroom emerges ahead of time, the mushroom buds are concentrated and dense, the mushroom body is small and deformed, and the total yield is higher than normal or even higher, but the quality is inferior. The cover is easy to open the umbrella, the color is light, the market value is very low, and the stick itself is easy to aging.
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Treatment measures of Lentinus edodes bag pollution
The bacterial bag should be turned 4-5 times during indoor culture, the first time at 6-7 days after inoculation, and then every 7-10 days. Check the miscellaneous bacteria carefully when turning the bag and deal with it in time. Only sporadic or filamentous colonies of miscellaneous bacteria appear at the mouth or folds of the bacterial bag with mild pollution. If there is no spread, the injection syringe can absorb 50 ml of 75% alcohol and 30 ml mixture of 36% formaldehyde, inject the injured area, and gently massage the surface with fingers to soak the liquid into the body of miscellaneous bacteria, and then stick the injection mouth with adhesive tape. Inoculation hole contaminated miscellaneous bacteria
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Management Technology of changing Color of Lentinus edodes stick
The color conversion management of bacterial sticks can be divided into two ways: taking off the bag and changing color in the bag. at present, most of the production is for the purpose of obtaining flower mushrooms or high-quality thick mushrooms, so it is mostly in the bag. The basic management is as follows: 1. Drilling to increase oxygen: after the mycelium is full, the mycelium is filled in the substrate, and its metabolism is greatly increased. Through drilling, the purpose of increasing its internal oxygen, removing waste gas, improving metabolism and losing part of water is achieved. It is the first step of color conversion management. 2. Promoting the separation of the film from the wall: through drilling, moving, etc., to promote the separation of the plastic film from the base material. It takes a short time to develop bacteria.
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