Fig. 6From: Cypripedium subtropicum embryo development and cytokinin requirements for asymbiotic germinationEffects of various cytokinins on the survival percentage of C. subtropicum protocorms after 6 months of culture. A 6-(γ,γ-Dimethylallylamino)purine (2iP). B Kinetin (KN). C 6-Benzylaminopurine (BA). Error bars represent SE (n = 3)Back to article page