Volume 14 Part 2 Article 11: Mycoflora related to the mushroom spawn

Volume 14 Part 2 Article 11
Year 1995
Title: Mycoflora related to the mushroom spawn
Authors: F.J. Gea, A. Pardo, M.J. Navarro and J. Pardo


Results on the phytosanitary state of 105 samples of mushroom spawn are shown. Ulster’s method was used for detecting the mycoflora related to the spawn of Agaricus bisporus and A. bitorquis. The analysis were made on samples selected at random and without knowing previously the phytosanitary state of the spawns. In order to know the possible ways of contamination of the mushroom spawns, analysis of uninoculated grains of rye and millet were made, to find out their related mycoflora. Likewise and to check the effectivity of the sterilising system used during the commercial process, sterile spawns were analysed. From our studies, we can conclude that pathogens such as Verticillium fungicola, Mycogone perniciosa, Diehliomyces microsporus and Cladobotryum dendroides are absent, so mushroom spawns do not seem to be the means of transmission for these diseases. Nevertheless, a great number of fungi, such as P√©nicillium, Alternaria and some Mucorales were found.

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