Genetic Variation of Juniperus procera Hochst. ex Endl. - Sertse, Demissew
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Juniperus procera is the only species among 67 taxa in the genus Juniperus that naturally grows south of equator stretching from Arabian Peninsula to 18oS in Zimbabwe. Ethiopia is assumed to host the largest J. procera populations having high genetic variation owing to its wide ecological amplitude. This study assessed genetic variation of six Ethiopian J. procera populations: Chilimo, Goba, Menagesha-Suba, Wef-Washa, Yabelo and Ziquala by using microsatellite and AFLP markers. Results showed that majority of the variation falls within populations signifying mating system and gene flow…mehr

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Produktbeschreibung
Juniperus procera is the only species among 67 taxa in the genus Juniperus that naturally grows south of equator stretching from Arabian Peninsula to 18oS in Zimbabwe. Ethiopia is assumed to host the largest J. procera populations having high genetic variation owing to its wide ecological amplitude. This study assessed genetic variation of six Ethiopian J. procera populations: Chilimo, Goba, Menagesha-Suba, Wef-Washa, Yabelo and Ziquala by using microsatellite and AFLP markers. Results showed that majority of the variation falls within populations signifying mating system and gene flow mechanisms of the species. Yet, most of the populations were significantly differentiated from each other. Goba and Yabelo scored lower genetic diversity at AFLPs. However, these populations harbored the highest number of private alleles suggesting their unique geographic position and ecological conditions. Comparative and high genetic diversity was computed for Menagesha-Suba and Wef-Washa. These populations were also the only generically undifferentiated pair at AFLPs attesting the oral story that claims wildling from the later planted at the former population back in 15th century.
Autorenporträt
Got master degree in Tropical and International Forestry from Georg-August University of Göttingen, Germany in 2007 and bachelor degree in Plant Sciences from Alemaya University, Ethiopia in 2000. Currently working in Holetta Agricultural Research Center,Forestry Research, Ethiopia. Research interests: plant population and evolutionary genetics.