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Appl Environ Microbiol. 1967 July; 15(4): 844-850
Copyright © 1967 American Society for Microbiology. All Rights Reserved.

Stimulation of Yield in the Cultivated Mushroom by Vegetable Oils¹

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

ABSTRACT

Supplementation of mushroom compost at spawning and at casing with various refined and crude seed oils resulted in 1 to 1.5 lb/ft² increases in mushroom yield. Supplementation at casing with ground seeds or protein-oil combinations caused 2 to 2.5 lb/ft² increases in mushroom yield. Further evidence is presented for a relationship between lipid metabolism and the initiation of fruiting in the cultivated mushroom, Agaricus bisporus (Lange) Sing. Preliminary results suggest the possible involvement of sterols in the fruiting stimulation.

¹ Authorized for publication on 12 December 1966 as paper no. 3202 in the journal series of the Pennsylvania Agricultural Experiment Station.