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Appl Environ Microbiol. 1990 February; 56(2): 479-482
Copyright © 1990, American Society for Microbiology. All Rights Reserved.

Enhanced Yield of Shiitake by Saccharide Amendment of the Synthetic Substrate

Department of Plant Pathology, Pennsylvania State University, University Park, Pennsylvania 16802

ABSTRACT

Three experiments were performed to determine the effect of selected saccharides on mushroom yield and basidiome size of shiitake (Lentinula edodes) when grown on a synthetic substrate. Substrate formulations of sawdust, wheat bran, and millet were nonamended or amended with sucrose, fructose, or glucose. Addition of sucrose (0.6 to 1.2% [dry weight]) to the substrate stimulated mushroom yield by 11 to 20% or more. Addition of fructose at 1.2% and glucose at 0.6% resulted in similar yield increases. Most of the yield increase occurred on the first break. The substrate amended with 1.2% sucrose tended to have a more synchronous maturation for the second break resulting in fewer days when mushrooms were harvested.

^* Corresponding author.

Contribution no. 1746 from the Department of Plant Pathology, Pennsylvania State University, The Pennsylvania Agricultural Experiment Station, University Park, Pennsylvania (Journal Series paper no. 8230).