The most recent results on orchid mycorrhizal fungi in Hungary

Illyés, Z. and Ouanphanivanh, Noémi and Rudnóy, Sz. and Orczán, Á. and Bratek, Z. (2010) The most recent results on orchid mycorrhizal fungi in Hungary. Acta Biologica Hungarica, 61 (Supple). pp. 68-76. ISSN 0236-5383

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Abstract

Symbionts and endophytes of Hungarian orchids were studied at diverse habitats. Mycobionts of roots and in situ germinated protocorms of 15 orchid species were identified by molecular methods. Four fungal groups could be distinguished from orchids living at diversely wet treeless habitats: Ceratobasidiaceae, Epulorhiza 1, Epulorhiza 2 and Sebacinaceae. While the groups Ceratobasidiaceae and Sebacinaceae were detected only at habitats with medium water supply, members of clade Epulorhiza occurred at all of the treeless study sites. These observations suggest that fungi belonging to the genus Epulorhiza are more tolerant of water-stress than the other investigated genera. An ascomycetous fungus from the family Pezizaceae could be identified from the roots of Orchis coriophora. Further Ascomycetes were identified at forest habitats. Tuber maculatum was detected from the roots of Epipactis helleborine and Cephalanthera damasonium, and Tuber excavatum from Epipactis microphylla.

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