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Mycorrhizal associations and trophic modes in coexisting orchids: an ecological continuum between auto- and mixotrophy

Jacquemyn, Hans ; Waud, Michael ; Brys, Rein ; Lallemand, Félix ; Courty, Pierre-Emmanuel ; Robionek, Alicja ; Selosse, Marc-André

In: Frontiers in Plant Science, 2017, vol. 8, p. -

Two distinct nutritional syndromes have been described in temperate green orchids. Most orchids form mycorrhizas with rhizoctonia fungi and are considered autotrophic. Some orchids, however, associate with fungi that simultaneously form ectomycorrhizas with surrounding trees and derive their carbon from these fungi. This evolutionarily derived condition has been called mixotrophy or partial...