What are the causes of contamination in king oyster mushroom (Pleurotus eryngii) grow bags?
The main causes are listed below; you can analyze them according to the specific situation. 1. The grow bags were not thoroughly sterilized, and contaminating microorganisms were present in the substrate. 2. The inoculation workshop was not disinfected, and contaminating microorganisms were present in the air. 3. The spawn was not pure and contained contaminating microorganisms. 4. During the incubation period, ventilation and air exchange were poor, and the relative humidity in the incubation room was high. 5....
The main causes are listed below; you can analyze them according to the specific situation.
1. The grow bags were not thoroughly sterilized, and contaminating microorganisms were present in the substrate.
2. The inoculation workshop was not disinfected, and contaminating microorganisms were present in the air.
3. The spawn was not pure and contained contaminating microorganisms.
4. During the incubation period, ventilation and air exchange were poor, and the relative humidity in the incubation room was high.
5. The incubation room was not disinfected.
6. If none of the above causes apply, the grow bags are of poor quality and have micropores.