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Figure 1. Unweighted pair-group methods using arithmetic averages (UPGMA) dendrogram reflecting genetic relationships of 45 Canadian soybean cultivars based on their simple sequence repeat (SSR) dissimilarities. Bootstrap values higher than 50% (out of 1000 replicates) are indicated above the nodes. The label in parenthesis following each cultivar consists of the breeding program and breeding period specified in Table 1. Seven major clusters are also labeled.
