Mushroom green mold contamination symptoms and prevention
Symptoms in the strainer bottle or after sowing of the bacterium and the old root after picking the mushroom are not easy to pick on the net, resulting in the emergence of green colonies after the onset and spread. Green mold not only competes with the mushroom for nutrition, but also secretes toxins that affect the mycelial colonization and fruit body formation of the mushroom. The mushroom root after harvesting mushrooms in the production is very easy to be injured. After the culture block is infected, the green colonies will grow quickly and spread rapidly, resulting in poor growth or death of the mushroom mycelium or fruit body.
The first prevention and treatment is to prevent excessive formaldehyde from being applied in the inoculation box or inoculation room during production to prevent formaldehyde from becoming formic acid and form an acidic environment. Lime powder shall be applied around the cultivating room and found to be contaminated by green mold. The second is to promptly check the bacterial seed blocks after sowing and find that they are contaminated by green mold and immediately excavate and make up new seed blocks. The third is to choose to cultivate at low temperature and dry season to reduce the incidence. Hyphae healing stage covered with plastic film, adequate ventilation, pay attention to cooling. Late plastic film can not be opened too early to prevent the bacteria in the healing process. After the emergence of the mold, the mold should be scrubbed with 40% polysulfide suspoemulsion or 50% carbendazim wettable powder 800 times.
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