Due to their very small seeds that do not contain endosperm, many terrestrial orchid species require the presence of fungi in order to germinate and maintain their lives; and symbiotic culture studies are being carried out on this topic. For the purpose of determining the orchid species on which the fungus to be used as inoculants in the symbiotic culture will be effective, fungi isolated through several isolation methods are cultured with orchid species. In this study a total of four different isolation methods were applied as one on the tubers and rhizomes and three on the soil of eleven orchid species from the Anacamptis, Cephalanthera, Dactylorhiza and Orchis genera. Three different culture media were used in the methods. At the end of the study Alternaria, Aspergillus, Fusarium, Macrophomina, Rhizoctonia, Trichoderma and Verticillium fungi were isolated. In the study that was conducted with the aimed to isolate particularly Rhizoctania spp. fungi, the fungi was isolated from the tubers of Dactylorhiza umbrosa and Orchis palustris species and the soil of the Orchis simia species. Fusarium and Aspergillus species were isolated the most in all implemented methods and from all species.
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