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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2017.1
- 수록면
- 843 - 853 (11page)
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We assessed genetic and phenotypic variation in 105 maize germplasm accessions from RDA-Genebank of Korea and performed association analyses for 11 agronomical traits and 100 simple sequence repeats (SSR). Genetic diversity (GD) analysis revealed a total of 1104 alleles at the 100 SSR loci. The average number of alleles per locus was 11.0. The average GD and polymorphic information content values were 0.73 and 0.70, respectively. The average major allele frequency was 0.41. Population structure analysis indicated that these maize accessions comprised two major groups and one admixed group based on a membership probability threshold of 0.80. The two major groups contained 35 and 46 maize accessions. A mixed linear model of association analysis revealed five marker-trait associations with a significance level of P ≤ 0.01 involving five SSR markers. A general linear model showed 72 marker-trait associations involving 42 SSR markers. We confirmed the presence in the general linear model associations of the five significant marker-trait associations (SMTAs) identified in the mixed linear model. For these SMTAs, two loci were associated with stem diameter and one locus each was associated with ear row number, leaf width, and leaf length. These results should prove useful for breeding new inbred lines by selecting parental lines using molecular markers and will help to preserve maize genetic resources in Korea.
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참고문헌 (52)
참고문헌 신청
Akagi H / 1997 / Highly polymorphic microsatellites of rice consist of AT repeats, and a / Theor Appl Genet 94:61~67
Arnold JM / 1974 / Influence of nitrogen, phosphorus, and potassium applications on stalk quality characteristics and yield of corn / Agron J 66:605~608
Borba TCO / 2010 / Association mapping for yield and grain quality traits in rice (Oryza sativa L.) / Genet Mol Biol 33:515~524
Bostein D / 1980 / Construction of a genetic linkage map in man using restriction fragment length polymorphisms / Am J Genet 32:314~331
Bradbury PJ / 2007 / TASSEL: software for association mapping of complex traits in diverse samples / Bioinformatics 23(19):2633~2635
Arnold JM / 1974 / Influence of nitrogen, phosphorus, and potassium applications on stalk quality characteristics and yield of corn / Agron J 66:605~608
Borba TCO / 2010 / Association mapping for yield and grain quality traits in rice (Oryza sativa L.) / Genet Mol Biol 33:515~524
Bostein D / 1980 / Construction of a genetic linkage map in man using restriction fragment length polymorphisms / Am J Genet 32:314~331
Bradbury PJ / 2007 / TASSEL: software for association mapping of complex traits in diverse samples / Bioinformatics 23(19):2633~2635
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