| RAPD analysis on genetic diversity of nitavia in inner mongolia |
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| DOI：10.7606/j.issn.1000-7601.2007.01.47 |
| Key Words: Nitraria L. RAPD relationship genetic variation |
| Author Name | Affiliation | | WAN Tao | Inner Mongolia Agriulture University, Hohhot 010018, China | | CAI Ping | Xilinhaohe Animal Husbandry College,Xilinhaohe 026000,China | | YI Wei-dong | Inner Mongolia Agriulture University, Hohhot 010018, China | | ZHANG Xiao-ming | Hulunbeier University, Hailaer 021008, China | | ZHANG Chen-bo | Inner Mongolia Agriulture University, Hohhot 010018, China |
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| Abstract: |
| Four species of Nitraria were analyzed using random amplified polymorphic DNA(RAPD) markers.15 random primers amplified 118 loci have 95 polymorphic loci,about 80.5%.The differentees of Nei's gene diversity and Shannon's information index between each primers produced is big.Dendrogram was constructed using UPGMA.The result showed that the polarization of populations and gene fluxes are different in different species.The polarization and gene fluxes of populations of 3 Nitavias are lower except N.sphaerocarpa.The heredity coherence of each population is change from 0.8561 to 0.9694.The polarization in the populations is low,and they have the together ancestor.This is similar to morphology and cytology result,so RAPD is a useful supple mentary method in assessing genetic relationship among Nitraria species. |
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