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Asian Palmyra palm (Borassus flabellifer), an important plant for local economic, can be found throughout Thailand. It has a very long lifespan, and its reproduction starts at 12-15 years of age. Asian Palmyra palm is dioecious, in which male and female plant are undistinguishable by morphology. The molecular data of Asian Palmyra palm in Thailand are currently limited to only RAPD and ISSR. Thus, this research aimed to apply the AFLP marker for studying genetic diversity of Asian Palmyra palm in the central Thailand. Twelve markers showed 66 polymorphic loci in 150 accessions. Evaluation of these loci indicated lower genetic variation values. A dendrogram was constructed based on UPGMA method, and PCA analysis showed that Asian Palmyra palms from the central Thailand have a very narrow genetic distant, with high similarity coefficient values (>0.8). The data obtained from this work are consistent with the previous studies using samples from Song kha and Petchburi provinces that the Asian Palmyra palms have a very low genetic diversity.
Keywords: Asian Palmyra palm; AFLP; diversity; dendrogram
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