Studies on Genetic Differentiation of Nineteen Maize Inbred Lines Based on Quantitative Traits and AFLPs

doi:10.3321/j.issn:1000-7091.2004.02.007

Abstract

Abstract: Total nineteen maize inbred lines including three new lines and sixteen elite lines were chosen and their genetic differentiation revealed by quantitative and AFLPs data were studied. The results show that cluster analysis were some consistent with their pedigree based on quantitative and AFLPs, but the AFLP was more compatible, all the parents of strong heterotic combination were divided into different group or sub-group;21-ES and A318 had much differentiation with other elite inbred lines on quantitative traits and AFLPs, so they were both classified into different two groups which included only one inbred line. The genetic distance based on the quantitative and AFLPs had a positive correlation with yield mid-parents heterosis of F1.

Key words: Maize, inbred line AFLP, Genetic distance, Cluster analysis, Heterosis

CLC Number:

S513.035.1

GAO Shi-bin, RONG Ting-zhao, LI Wan-chen, PAN Guang-tang. Studies on Genetic Differentiation of Nineteen Maize Inbred Lines Based on Quantitative Traits and AFLPs[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2004, 19(2): 24-27. doi: 10.3321/j.issn:1000-7091.2004.02.007.

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