Key points: Flammulina velutipes is not difficult to cultivate. It is difficult to improve the yield while ensuring quality. In the case of controlling the environmental conditions, try the following methods and stimulation techniques.

Method 1: Change wide bag cultivation to narrow bag cultivation

Many people think that it is better to cultivate Flammulina velutipes with a 25 cm 50 cm plastic bag, but the wide bag is easy to infect with bacteria, and when the mushroom buds are small, the fruit body is easy to bend, affecting the quality, and the cap is not long, the color is shallow, and the fat is not obtained. Tender quality requirements. Therefore, it is better to cultivate with a 17 cm 33 cm plastic bag.

Method 2: Changing autoclaving to delayed atmospheric sterilization

Flammulina velutipes grows rapidly on rich culture materials, and the number of powder spores is small. It is easy to decompose rapidly when it is above 120 °C, so the culture material is preferably sterilized at atmospheric pressure. However, in order to ensure the pure bacteria rate, the sterilization time can be extended from 10 to 12 hours to 13 to 18 hours.

Method 3: Changing the traditional vertical mushroom into a horizontal two-headed mushroom

At the time of loading, the two sides were inoculated and left with a cylinder of about 15 cm, and the pressure was lightly packed to tighten the mouth of the bag. Horizontally placed around 4 layers of bacteria. This method can not only ensure the quality of the mushroom, but also save the mushroom house area, which can increase the output of the mushroom house per square meter by more than 30%.

Method 4: Change the disposable bag to control the bag

Use two-headed closed-type hair culture, if you find that the hyphae grow slowly in the bag, you must unpack the bag in time. However, do not disassemble all of them at this time until the mushroom stem is about 8 cm long and then straighten the straight tube bag to ensure the proper temperature, humidity and carbon dioxide concentration during the mushrooming process. In this process, the mushroom body should be prevented from being bent and growing.

Method 5 will change the growth of the mushroom stem to red light induction

Because the Flammulina velutipes has a strong phototaxis, after the bacteria are put on the shelves, a 15 watt red bulb can be hoisted every 4 meters or so in the middle of the two rows of walls to generate vertical light, which can induce the beam to be directed toward the light source. Cross-section, promote the extension of the mushroom body. However, the doors and windows should be shaded to prevent the mushroom body from being sloppy, lodging and bending.

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