100 Years Since Tolaas: Bacterial Blotch of Mushrooms in the 21 Century.

Among the biotic constraints of common mushroom () production, bacterial blotch is considered the most important mushroom disease in terms of global prevalence and economic impact. Etiology and management of bacterial blotch has been a major concern since its original description in 1915. Although is thought to be the main causal agent, various species, as well as organisms from other genera have been reported to cause blotch symptoms on mushroom caps.