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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2013.9
- 수록면
- 230 - 235 (6page)
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이 논문의 연구 히스토리 (2)
2013
Evaluation of Genetic Structure of Amaranth Accessions from the United States
Qiang He
,
Yong-Jin Pa
,
k
Weed&Turfgrass Science
2013.09
학술저널
Evaluation of Genetic Structure of Amaranth Accessions from the United States
Qiang He
,
Kyeong-Ho Yeon
,
Cheol-Soon Pa
외 5명
한국잡초학회 별책(학술대회 초록집)
2013.04
학술대회자료
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초록· 키워드
오류제보하기
Amaranths (Amaranthus sp.), an endemic American crop, are now grown widely across the world. This study used 14 simple sequence repeat (SSR) markers to analyze the genetic diversity of 74 amarnth accessions from the United States, with eight accessions from Australia as controls. One hundred twenty-two alleles, averaging eight alleles per locus, were observed. The average major allele frequency, expected heterozygosity, and polymorphism information content (PIC) were 0.44, 0.69, and 0.65, respectively. The structure analysis based on genetic distance classified 77 accessions (94%) into three clusters, while five accessions (6%) were admixtures. Among the three clusters, Cluster 3 had the highest allele number and PIC values, while Cluster 2 had the lowest. The lowest FST was between Clusters 1 and 3, indicating that these two clusters have higher gene flow between them compared to the others. This finding was reasonable because Cluster 2 included most of the Australian accessions. These results indicated satisfactory genetic diversity among U.S. amaranths. These findings can be used to design effective breeding programs involving different plant characteristics.
목차
ABSTRACT
Introduction
Materials and Methods
Results and Discussion
References
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