Abstract
Dendrobium officinale is a critically endangered perennial herb endemic to China. Determining the levels of genetic diversity and patterns of population genetic structure of this species would assist in its conservation and management. Data of 12 populations were used to assess its genetic diversity and population structure, employing the method of amplified fragment length polymorphism (AFLP). A high level of genetic diversity was detected (H E = 0.269) with POPGENE. As revealed by AMOVA analysis, there was moderate variation between pairs of populations with ΦST values ranging from 0.047 to 0.578 and on average 26.97% of the genetic variation occurred among populations. Three main clusters were shown in UPGMA dendrogram using TFPGA, which is consistent with the result of principal coordinate ananlysis (PCO) using NTSYS. Keeping a stable environment is critical for the in situ conservation and management of this rare and endangered plant, and for ex situ conservation it is important to design an integrated germplasm bank.
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We would like to thank the National Natural Science Foundation of China for financial support (NO.30370144).
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Li, X., Ding, X., Chu, B. et al. Genetic diversity analysis and conservation of the endangered Chinese endemic herb Dendrobium officinale Kimura et Migo (Orchidaceae) based on AFLP. Genetica 133, 159–166 (2008). https://doi.org/10.1007/s10709-007-9196-8
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DOI: https://doi.org/10.1007/s10709-007-9196-8