Genetic polymorphism of Malus sieversii populations in Xinjiang,China |
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| Authors: | Guorong Yan Hong Long Wenqin Song Ruiyang Chen |
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| Affiliation: | (1) College of Life Sciences, Nankai University, Tianjin, 300071, P. R. China;(2) Department of Horticulture, Tianjin Agricultural University, Tianjin, 300384, P. R. China;(3) College of Life Science and Technology, Huazhong Agricultural University, Wuhan, 430070, P. R. China |
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| Abstract: | Malus sieversii (Ledeb.) Roem. is a wild apple species which is distributed in the western mountains in Xinjiang, P.R. China, as well as in Central Asia, including Kazakhstan, Kyrgyzstan, Tajikistan, Uzbekistan and Turkmenistan. M. sieversii germplasm is valuable for plant breeders for drought, cold and disease resistance. Genetic polymorphisms of 20 populations of M. sieversii and 2 populations of M. niedzwetzkyana in Xinjiang, China were analyzed using RAPD markers. We present geographical distribution data as well as the discovery of a rare king old tree. Different types of pollen grain morphology were analyzed. |
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| Keywords: | Genetic polymorphism Malus niedzwetzkyana Dieck Malus sieversii (Ledeb.) Roem. RAPD |
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