How do you put a scale on a dendrogram made using pogene version 1.32 with Nei's genetic distances?

I have generated a dendrogram in pogene version 1.32 using Nei's genetic distances (Initial data is RAPD binary matric data). Any idea on how to add a scale to the tree? The DendroUPGMA tree...

01 November 2014 7,648 4 View