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Measures to reduce the pollution of mushroom green mold
In the strain bottle or after sowing bacteria and mushrooms, it's common to encounter old roots that lead to the spread of green colonies. These colonies not only compete with the mushroom for nutrients but also secrete toxins that hinder the colonization and fruiting body development of the mushroom. Once the mushroom has been produced, its root system becomes more vulnerable to damage. If the culture block gets infected, the green mold can grow rapidly, leading to poor mycelium growth or even the death of the fruit bodies.
To minimize contamination from green mold in mushroom cultivation, **China Pesticide Network** shares some effective control methods:
1. Avoid excessive use of formaldehyde during inoculation, as it may convert into formic acid, creating an acidic environment favorable for green mold. Apply lime powder around the culture room to neutralize the pH, and promptly remove any contaminated materials.
2. After sowing, regularly inspect the strains. If green mold is detected, immediately excavate the affected area and replace it with fresh spawn to prevent further spread.
3. Choose a low-temperature and dry season for cultivation, which can help reduce the occurrence of green mold. During the hyphae healing stage, cover the blocks with plastic film and limit ventilation while lowering the temperature. Do not lift the film too early, as this could expose the mushrooms to bacterial infections during recovery.
4. If green mold appears, treat the affected areas with a 40% sulfur suspension or 50% carbendazim wettable powder diluted at 800 times. This helps control the mold and prevents further damage.
By following these measures, growers can significantly reduce the risk of green mold and ensure healthier mushroom production. Always maintain good hygiene and monitor the growing conditions closely to prevent contamination.