Figure 4. Plot of the first and second principal coordinates for 48 unidentified Dioscorea accessions from Ethiopia based on 165 polymorphic bands derived from 10 AFLP primer pairs. Numbers in parentheses refer to the clusters from UPGMA analysis; = late-maturing; = early-maturing; = accessions from Areka Agricultural Research Center for which data on maturity time is not available; and • = nonflowing.