Abstract
Cinnamomum balansae Lecomte (Lauraceae) is considered as an endemic to Vietnam and is assessed as endangered. This species an ecologically and economically important tree species. To conserve the species in tropical forests, genetic diversity was investigated on the basis of ten microsatellites (single sequence repeat, SSR). In all, fifty-two C. balansae individuals of four populations in Phu Tho (Doan Hung, Thanh Son, Ha Hoa and Viet Tri city) were analyzed in thisstudy. A total of 27 alelles were observed across the studied loci. The polymorphic information content (PIC) averaged 0.43 and indicated a high polymorphic value. Other values including discrimination power (PD = 0.58), resolving power (Rp = 2.57) and Marker index (MI = 1.08) were revealed. Genetic diversity in population level was higher (Ne = 2.68; Ho = 0.47 and He = 0.37) and positive inbreeding value (Fis = 0.16). Bottleneck tests had not found of four populations. This study also showed the importance of conserving the genetic resources of C. balansae species in Phu Tho province.
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