Authors: Roeland L Berendsen Stefanie I C Kalkhove Luis G Lugones Johan J P Baars Han A B Wösten Peter A H M Bakker
Publish Date: 2013/03/07
Volume: 97, Issue: 12, Pages: 5535-5543
Abstract
Dry bubble disease caused by Lecanicillium fungicola is a persistent problem in the cultivation of the white button mushroom Agaricus bisporus Because control is hampered by chemicals becoming less effective new ways to control dry bubble disease are urgently required 1Octen3ol is a volatile that is produced by A bisporus and many other fungi In A bisporus it has been implicated in selfinhibition of fruiting body formation while it was shown to inhibit spore germination in ascomycetes Here we show that 1octen3ol inhibits germination of L fungicola and that enhanced levels of 1octen3ol can effectively control the malady In addition application of 1octen3ol stimulates growth of bacterial populations in the casing and of Pseudomonas spp specifically Pseudomonas spp and other bacteria have been demonstrated to play part in both the onset of mushroom formation in A bisporus as well as the inhibition of L fungicola spore germination A potential role of 1octen3ol in the ecology of L fungicola is discussedThis work was supported by the Dutch Technology Foundation STW Applied Science Division of NWO and the Technology Program of the Ministry of Economic Affairs We would like to thank Jo Rutjens Merlin van Strien and Sebastian Jianu for excellent technical assistance
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