Abstract: The genetic diversity analysis among 35 accessions of water bamboo (Zizania latifolia Turcz.) from Zhejiang Province was conducted using 47 pairs of SRAP primers. A total of 153 loci were detected, 11 being polymorphic, which equalled to an average polymorphism rate of 7.2%. The size of amplified PCR products ranged from 50-400 bp. At a threshold of 0.51, these accessions were generally clustered into two groups. Genetic distance between single-cropping and double-cropping water bamboo was greater than the distance within each type, while the accessions with closer geographic origins showed higher genetic similarity.

Key words: water bamboo, SRAP, genetic diversity, cluster analysis