Growth of Stachybotrys chartarum (Ehrenb.) Hughes strains on natural and artificial substratesстатья

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1. Полный текст Botanika_Lithuanica_Stach.pdf 127,6 КБ 10 апреля 2017 [elansky]

[1] Elansky S. N., Petrunina Y. V., Likhachev A. N. Growth of stachybotrys chartarum (ehrenb.) hughes strains on natural and artificial substrates // Botanica Lithuanica. — 2003. — Vol. 9, no. 2. — P. 171–177. Growth of Stachybotrys chartarum (Ehrenb.) Hughes strains on plant and artificial materials in contact with water was analysed. After 84 days exposition at 25 oC material samples (35 ? 240 mm) were divided into segments (60 mm length): A - the lower segment under the water level, B - directly over the water level, C and D - accordingly over B and C. Mycelium occupation of each segment was separately evaluated. Maximum fungal growth was on the segment B directly contacting with water, on segment A in most cases the lack of growth was observed. Fungal occupation of the segments C and D positively correlated with water capacity of the material. Mycelium occupation of the higher segments was quite weak, though the humidity was 100 %. The rate of growth on artificial materials was different for each tested S. chartarum strain. These differences were not observed when fungi grew on natural materials. The most suitable plant materials were stems and seeds of grain: oats, wheat, couch grass. The growth was weaker on other plant remnants: maple leaves, barberry leaves and branches, rapeseeds, trefoil seeds, St.-Johns wort. In all cases the optimal temperature for growth was 25 oC.

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