›› 2019, Vol. 31 ›› Issue (7): 1029-1036.DOI: 10.3969/j.issn.1004-1524.2019.07.01

• Crop Science • Previous Articles     Next Articles

Genetic diversity analysis of sweet maize inbred lines in Southern Zhejiang by SSR markers

YUE Gaohong, PAN Binrong*, LIU Yongan, MEI Xixue, XU Likui, ZHANG Zongchen, ZHOU Zhihui   

  1. Southern Zhejiang Key Laboratory of Crop Breeding, Crop Research Institute of Wenzhou Academy of Agricultural Sciences, Wenzhou 325006, China
  • Received:2019-01-14 Online:2019-07-25 Published:2019-08-07

Abstract: To evaluate the genetic diversity of sweet maize inbred lines and to guide new sweet maize varieties breeding, 37 sweet maize inbred lines from Southern Zhejiang were analyzed using SSR molecular markers. The results showed that 209 alleles were detected by 37 polymorphic SSR markers, with an average of 5.65 alleles per SSR marker. Polymorphism information content (PIC) values of SSR markers were 0.62-0.95, with an average of 0.82 per primer pair. Similarity coefficients among inbred lines ranged from 0.12 to 0.94, with an average of 0.40, which suggested these sweet maize inbred lines had abundant genetic diversity. The 37 sweet maize inbred lines were classified into three groups by UPGMA method, which was consistent with the pedigree analysis and geographical distribution.

Key words: Southern Zhejiang, sweet maize, inbred lines, SSR marker, genetic diversity

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