White rot control of mushrooms
First, the symptoms:
The affected mushrooms initially develop brown tumors on the cap and stem. These lesions gradually expand and eventually form a layer of white mold covering the surface of the mushroom. As the disease progresses, severely infected mushrooms begin to show abnormal growth, turning into an amorphous, white mass. Some mushrooms may have abnormally thick stems and deformed caps, and in the final stages, the entire mushroom shrinks and becomes soft. The affected areas often exude a brown, sticky mucus that has a distinct, unpleasant odor.
Second, control methods:
1. Immediately remove the infected mushrooms. Carefully dig up the affected mushrooms along with the culture medium at a depth of about 10 cm and dispose of them outside the growing area to prevent further spread of the disease.
2. Apply protective spraying before the mushrooms start to grow. A Bordeaux mixture (prepared at a ratio of 1:1:300) can be sprayed over the surface of the growing bed to help reduce the occurrence of the disease.
3. Improve air circulation within the mushroom house and lower both temperature and humidity levels. This helps create an environment less favorable for the development of the pathogen.
In addition to these measures, it is important to maintain strict hygiene practices, such as disinfecting tools and equipment regularly. Monitoring the growing conditions closely and taking early action when signs of infection appear can significantly improve the chances of controlling the disease. It's also recommended to use high-quality spawn and ensure proper sanitation of the growing substrate to minimize the risk of contamination from the start.
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