Viability test using tetrazolium. (A) Epidendrum microtum non-viable seed; (B) E. microtum viable seed; (C) Epidendrum elongatum non-viable seed; (D) E. elongatum viable seed; (E) Epidendrum ...
Plantlets length was measured by a ruler. Leaves width was measured by a scanner. Scanned leaves were analyzed using Digimizer image analysis software (https://www.digimizer.com). Plantlet length was ...