Volume 13 Part 2 Article 46: Growth of Agaricus bisporus Mycelium on Mushroom Compost

Volume 13 Part 2 Article 46
Year 1991
Title: Growth of Agaricus bisporus Mycelium on Mushroom Compost
Authors: G. Straatsma, J.R.G. Gerrits, L.J.L.D. van Griensven and H.J.M. op den Camp

Abstract:

Growth of Agaricus bisporus mycelium was studied on sterile compost and sterile compost pre-grown with the thermophilic fungus Scytalidium thermophilum. Early growth was characterized by depressed and slowly growing hyphae. The mycelial radius extended exponentially in this stage. Mycelium on sterile compost switched to a fluffy growth type of radially orientated hyphae that extended at a linear rate of 4 mm/d. On compost pre-grown with S. thermophilum early growth continued up to 30 mm, ultimately the linear extension rate was 8 mm/d. Growth agreed well with that under commercial conditions. However, maximum growth rates are not exploited under commercial conditions.

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