AFLP Analysis of Genetic Diversity of Cucumber Germplasm

doi:10.3321/j.issn:1000-7091.2007.03.006

Abstract

Abstract: The genetic diversity of 23 cucumber materials were analyzed by AFLP technique. 543 DNA bands were amplified by 18 pairs of AFLP primers, of which there were 106 polymorphic bands, and the percentage of polymorphic bands was 19.5%. The dendrogram of 23 cucumber materials was generated by UPGMA (Unweighred Pair-group Method Arithmetic Average) method, and was divided into 3 groups. The first group was the clustering of wide species, the second group included stateside type, Netherlandish type, and the type possessed the origin of Netherland. The third group included all of the Chinese type materials and two Russian type materials. The genetic similarity and cluster analysis showed that the relationship between wild germplasms and cultivars was far, and the classification result based on AFLP markers was basically consistent with that on their morphological characters.

Key words: Cucumber, AFLP, Genetic diversity

CLC Number:

S642.03

ZHANG Gui-hua, HAN Yi-ke, YANG Rui-huan, DU Sheng-li, WANG Ming. AFLP Analysis of Genetic Diversity of Cucumber Germplasm[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2007, 22(3): 21-24. doi: 10.3321/j.issn:1000-7091.2007.03.006.

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