Abstract
Random amplified polymorphic DNA (RAPD) analysis was applied to Chinese tree peony cultivars ( Paeonia suffruticosa var. spontanea) to clarify their genetic relationships. Of 40 decamer primers tested, 11 produced 92 useful polymorphic DNA bands. Using these bands, 19 cultivars were distinguished and the similarity values among them were calculated. Although the values between cultivars were high, ranging from 0.722 to 0.928, a dendrogram produced by cluster analysis revealed that Chinese cultivars were largely divisible into four groups. These groups did not necessarily coincide with those classified based on flower and leaf types or petal color.
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