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Bacterial Blotch gallery on Shroomok

Photo examples for identification of Bacterial Blotch disease in mushroom growing aka Brown Spot contamination on mushroom caps and stems. The most common pathogens are Pseudomonas tolaasii, P. agarici, P. costantinii, P. reactans

Bacterial blotch disease

The most prevalent bacterial disease affecting both commercially cultivated and home-grown mushrooms.

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Oct 2023

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Bacterial blotch disease

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