The effect of fungicides used in the protection of forest tree seedlings on the growth of ectomycorrhizal fungi

Marta Aleksandrowicz-Trzcińska, Andrzej Grzywacz

Abstract


Fungitoxical activity of ten fungictdes most commonly used in the phytopathological protection of forest nurseries was studied, using the in vitro screening method. The fungitoxical activity was studied against five species of ectomycorrhizal fungi (seven strains). The resulting growth inhibition of fungi species and strains tested was prcscnted in terms of fungitoxicity classes of the preparations used. The highest total fungitoxicity against the mycelia of fungi taxa tested was found for Euparen, Bravo, Dithane M-45 and Ridomil. The weakest fungitoxical effect was observed for Topsin M and Bayleton. The least susceptible for the action of the fungicides studied were mycelia of Suillus luteus, while the most susceptible were those of Hebeloma crustuliniforme and Laccaria laccata. The study results arę useful for the selection of fungi strains proper for the artificial mycorrhization of seedlings.

Keywords


ectomycorrhizal fungi; mycorrhization of tree seedlings; fungicides; class of fungitoxicity

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DOI: https://doi.org/10.5586/am.1997.028

Journal ISSN:
  • 2353-074X (online)
  • 0001-625X (print; ceased since 2015)
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Publisher
Polish Botanical Society