Song Li¹ , Delin Shi² , Dengji Lou¹ , Yundong Shi¹

1 School of Chemical Biology and Environment, Yuxi Normal University, Yuxi, 653100, China
2 Yuxi Seed Management Station, Yuxi, 653100, China
Author    Correspondence author
Maize Genomics and Genetics, 2022, Vol. 13, No. 2   doi: 10.5376/mgg.2022.13.0002
Received: 24 Feb., 2022    Accepted: 03 Mar., 2022    Published: 21 Mar., 2022

This article was first published in Molecular Plant Breeding in Chinese, and here was authorized to translate and publish the paper in English under the terms of Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Li S., Shi D.L., Lou D.J., and Shi Y.D., 2022, Genetic diversity analysis of maize in Baoshan Yunnan by SSR markers, Maize Genomics and Genetics, 13(2): 1-7 (doi:10.5376/mgg.2022.13.0002)

The genetic diversity of 15 maize and it’s popularization grown in Baoshan city were carried out based on SSR primers recommended by Chinese agricultural industry standard (NY/T1432-2014). The results showed that 17 pairs of SSR primers presented polymorphic, and 72 alleles were detected. The number of alleles detected by each pair of primers was 3 to 6, with an average of 4.3. The effective number of alleles was 1.219 to 1.750, with an average of 1.448. The Nei’s genetic diversity index was 0.176 to 0.418, with an average of 0.283. The Shannon information index was 0.315 to 0.605, with an average of 0.444. The SSR polymorphic information (PIC) distribution ranges from 0.512 to 0.812, with an average of 0.686. The cluster analysis showed that the genetic similarity coefficient ranged from 0.417 to 0.819, with an average of 0.632, when the genetic similarity coefficient was 0.65, 15 varieties were divided into 5 groups. The results can provide theoretical and technical support for breeding and promotion of Baoshan maize varieties in Yunnan province.

Maize (Zea mays L.); SSR markers; Cluster analysis; Genetic diversity