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Mycorrhizal status of an ozone-sensitive poplar clone treated with the antiozonant ethylene diurea

Marina Katanić and Elena Paoletti and Saša Orlović and Tine Grebenc and Hojka Kraigher (2014) Mycorrhizal status of an ozone-sensitive poplar clone treated with the antiozonant ethylene diurea. European Journal of Forest Research, 133 (4). pp. 735-743. ISSN 1612-4669

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    The antiozonant ethylene diurea is proven to prevent growth reductions in forest trees induced by ozone. The community of mycorrhizal fungi could be useful indicator of environmental stress. In this study, response of mycorrhizal fungi and fine roots to a 4-year exposure to ambient ozone and treatment with antiozonant was investigated in ozone-sensitive poplar clone under field conditions. The community of ectomycorrhizal fungi and root length colonization with ectomycorrhizal, arbuscular mycorrhizal fungi, and root endophytic fungi was analyzed in antiozonant-treated poplar plants and in poplar plants irrigated with water. In general, plants protected by antiozonant showed higher total number of fine roots, number of ectomycorrhizal types, Shannon–Weaver diversity index, and Species richness index compared to the plants treated with water. The ectomycorrhizal community shifted from contact exploration type in the trees irrigated with water to short-distance exploration type in ethylene diurea-treated trees. Ozone protectant may beneficially affect the belowground community of mycorrhizal fungi colonizing roots of ozone-sensitive poplar clone.

    Item Type: Article
    Keywords: ozone, Ground-level ozone Ectomycorrhizal fungi Antiozonant ethylene diurea Fine roots Root length colonization Populus
    Related URLs:
    Link to COBISS: http://www.cobiss.si/scripts/cobiss?command=SEARCH&base=COBIB&select=ID= 3755430
    Divisions: Slovenian Forestry Institute > Department of Forest Physiology and Genetics
    Item ID: 1081
    Date Deposited: 04 Feb 2015 15:14
    Last Modified: 04 Feb 2015 15:14
    URI: http://eprints.gozdis.si/id/eprint/1081

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