Genetic Diversity Analysis of 20 Maize Landraces by SSR Markers

doi:10.7668/hbnxb.2009.01.028

Abstract

Abstract: Genetic diven;ity of 20 maize landraces was analyzed with 28 SSR markers. 124 alleles in all were cletectedand the averse number of alleles was 4. 43. 2- 9 polymorphic fragments eramplified staldy by each SSR marker. Ge-netic dissimilarity coefficients ranged from 0. 56 to 0. 85. These maize germplasms could he clustered into 3 groups. The10 maize landraces from Shanxi Province were clustered into one group. Hvever, the other 10 maize landraces fromHenan provin cerwere detected in 3 groups, slxwing a high genetic diversity. The result indicated that these maize larrdraces could he conserved selectively and used in maize improvement.

Key words: Maize( Zea mays L.), Landrace, SSR, Genetic diversity

CLC Number:

S513.03

WANG Li-feng, LI Hui-yong, TANG Bao-jun, CHENG Ze-qiang, WANG Zhen-hua, TIE Shuang-gui. Genetic Diversity Analysis of 20 Maize Landraces by SSR Markers[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2009, 24(1): 125-126. doi: 10.7668/hbnxb.2009.01.028.

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http://www.hbnxb.net/EN/Y2009/V24/I1/125

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