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ACTA HORTICULTURAE SINICA ›› 2006, Vol. 33 ›› Issue (4): 725-730.

• 研究论文 • Previous Articles     Next Articles

Studies on Genetic Polymorphism of Main Mango Cultivars via AFLP Markers

Lei Xintao1;Wang Jiabao2;Xu Xuerong1;Lin Shunquan3*   

  1. (1 Southern Subtropical Crops Research Institute, Chinese Academy of Tropical Agriculture Sciences, Zhanjiang, Guangdong 524091,China; 2 Institute of Tropical Bioscience, Chinese Academy of Tropical Agriculture Sciences, Haikou, Hainan 571101, China;3 Institute of B iotechnology in Horticultural Plants, South China Agriculture University, Guangzhou, Guangdong 510640, China)
  • Received:2005-08-24 Revised:2006-01-18 Online:2006-08-25 Published:2006-08-25

Abstract: In this article, the classification and the relationship s of 31 main domestic and overseas mango (Mangifera indica Linn. ) cultivars were investigated via amplified fragments length polymorphism (AFLP) markers. The results showed that the 142 pair primer combination screened totally amp lified 1 761 bands from the sampled mango cultivars, and 97% of all bands were polymorphic. For each pair of primers, there were 125.8 bands and 121.6 polymorphic bands and the polymorphic bands rate was 97%. Based on the AFLP markers, all the materials were divided into 7 group swith the threshold of 0148 of similarity coefficient. At the same time, the first group was divided into 6 subgroups with the threshold of 0.52 of similarity coefficient. Compared with morphologic markers, the mango classification system based on AFLP markers could reflect relationship among mango cultivars more efficiently.

Key words: Mango, Genetic polymorphism, AFLP