IngentaConnect Mycorrhizal status and diversity of fungal endophytes in roots of...

Authors: Likar, Matevž¹; Bukovnik, Urška¹; Kreft, Ivan²; Chrungoo, Nikhil³; Regvar, Marjana⁴

Source: Mycorrhiza, Volume 18, Numbers 6-7, September 2008 , pp. 309-315(7)

Publisher: Springer

Abstract:

To determine the mycorrhizal status and to identify the fungi colonising the roots of the plants, common buckwheat (Fagopyrum esculentum) and tartary buckwheat (F. tataricum) were inoculated with an indigenous fungal mixture from a buckwheat field. Root colonisation was characterised by the hyphae and distinct microsclerotia of dark septate endophytes, with occasional arbuscules and vesicles of arbuscular mycorrhizal fungi. Sequences of arbuscular mycorrhizal fungi colonising tartary buckwheat clustered close to the Glomus species group A. Sequences with similarity to the Ceratobasidium/Rhizoctonia complex, a putative dark septate endophyte fungus, were amplified from the roots of both common and tartary buckwheat. To the best of our knowledge, this is the first report of arbuscular mycorrhizal colonisation in tartary buckwheat and the first molecular characterisation of these fungi that can colonise both of these economically important plant species.

Keywords: Arbuscular mycorrhiza; Chytridiomycetes; Dark septate endophytes; Microsclerotia

Document Type: Research article

DOI: 10.1007/s00572-008-0181-6

Affiliations: 1: Department of Biology, Biotechnical Faculty, University of Ljubljana, Večna pot 111, 1000, Ljubljana, Slovania 2: Department of Agronomy, Biotechnical Faculty, University of Ljubljana, Jamnikarjeva 101, 1000, Ljubljana, Slovania 3: Molecular Plant Physiology Laboratory, Department of Botany, North Eastern Hill University, Shillong, 793 022, India 4: Department of Biology, Biotechnical Faculty, University of Ljubljana, Večna pot 111, 1000, Ljubljana, Slovania, Email: marjana.regvar@bf.uni-lj.si

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Mycorrhizal status and diversity of fungal endophytes in roots of common buckwheat (Fagopyrum esculentum) and tartary buckwheat (F. tataricum)