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Heterotic grouping of maize inbred lines using RFLP and SSR markers

Creator: Yuan Lixing
Creator: Fun Jun-Hua
Creator: Zhang Shi Huang
Creator: Liu Xin-Zhi
Creator: Peng Ze-Bin
Creator: Li Xin-Hai
Creator: Warburton, M.
Creator: Khairallah, M.
Year: 2001
Language: Chinese
Publisher: Institute of Crop Sciences
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Type: Article
Place of Publication: Beijing (China)
Pages: 149-156
Issue: 2
Volume: 27
Keywords: Simple Sequence Repeats
Keywords: Genetic Similarity
Keywords: Heterotic Groups
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Description: Five heterotic groups were determined among 29 maize inbred lines using RFLP and SSR markers. A total of 56 polymorphic probe enzyme combinations and 66 polymorphic SSR primers were identified among the inbred lines, which produced 187 and 232 alleles respectively. Mean polymorphism information content (PIC) for RFLPs (0.42) was lower than that for SSRs (0.54), but mean genetic similarity (GS) were similar (0.62 & 0.64). The five heterotic groups based on both RFLPs and SSRs were Sipingtou, Luda Red cob, LSC, BSSS, and PA groups. They were consistent with the group ing based on the available pedigree data. Moreover, inbreds with unknown pedigree were assigned to the established heterotic groups. The identification of PA group provided a valuable guidance for maize hybrid breeding.
Agrovoc: MAIZE
ISSN: 0496-3490
Journal: Acta Agronomica Sinica

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  • Maize
    Maize breeding, phytopathology, entomology, physiology, quality, and biotech

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