A SMALL booklet has recently been compiled by Mr. Fred C. Atkins, entitled "Major Diseases of the Cultivated White Mushroom" (Yaxley, Peterborough : Midlands Group Publications, 1948 ; 2s. 6d.). It deals with bacterial pit, caused by Pseudomonas (?)flubreseens, bacterial blotch (Phytomonas Tolaasi), cobweb or mildew due to Dactylium dendroides, bubble (Mycogone perniciosa) and brown spot (Verticillium spp.). Most of the descriptions have appeared in the Bulletin of the Mushroom Growers' Association ; but practical growers and others will welcome their collection into a booklet with photographs, drawings and succinct accounts of control. It is planned to issue further booklets on major competitors, and on minor diseases and competitors of the cultivated mushroom.
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