Fig. 4

Germination criteria and rates in symbiotic germinated protocorms. a B. striata protocorm with swollen embryo and rhizoids, as denoted by the arrow. b Protocorm with a shoot apex (protomeristem), as denoted by the arrowhead. c Germination rates of B. striata protocorms on oatmeal agar medium with symbiotic fungus HR1-1 (OMA f+) or without fungi (OMA f-). The dotted and gray bars indicate the germination rates using different criteria, i.e., the appearance of a rhizoid or shoot apex, respectively. Error bars represent standard errors of the mean of three replicates