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What are the harmful symptoms of mushroom wet bubble disease?

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Long-term research has found that this pathogen infects only the fruiting bodies and not the mycelium. It takes about 11 days from the start of infection for a mushroom to show initial symptoms, and growing mycelium can accelerate the germination of Mycogone perniciosa spores. When the first flush of mushrooms is affected, the source of infection is usually the casing soil and old mushroom shelves; when later flushes are affected, it is caused by re-spread through water, tools and human operations: infection during the pinhead formation stage is shown by: before normal mushrooms appear, diseased mushrooms grow in large numbers, and diseased mushrooms generally fruit 3-4 days earlier than normal mushrooms; if infection occurs during the young pinhead growth stage, although the diseased mushrooms continue to grow, the caps develop abnormally or stop developing, the stems swell, become deformed and deteriorate, and appear twisted and misshapen. In the later stage the diseased mushrooms are hollow inside, and white cottony mycelium grows at the junction of the cap and stem and at the base of the stem, later turning dark brown and exuding brown liquid as it rots, giving off a foul odor.

Long-term research has found that this pathogen infects only the fruiting bodies and not the mycelium. It takes about 11 days from the start of infection for a mushroom to show initial symptoms, and growing mycelium can accelerate the germination of Mycogone perniciosa spores. When the first flush of mushrooms is affected, the source of infection is usually the casing soil and old mushroom shelves; when later flushes are affected, it is caused by re-spread through water, tools and human operations: infection during the pinhead formation stage is shown by: before normal mushrooms appear, diseased mushrooms grow in large numbers, and diseased mushrooms generally fruit 3-4 days earlier than normal mushrooms; if infection occurs during the young pinhead growth stage, although the diseased mushrooms continue to grow, the caps develop abnormally or stop developing, the stems swell, become deformed and deteriorate, and appear twisted and misshapen. In the later stage the diseased mushrooms are hollow inside, and white cottony mycelium grows at the junction of the cap and stem and at the base of the stem, later turning dark brown and exuding brown liquid as it rots, giving off a foul odor.

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