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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2015.1
- 수록면
- 216 - 225 (10page)
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초록· 키워드
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In order to estimate genetic diversity of Korean rice landraces, rice characters and SSR markers of 76 rice germplasms were analyzed. Of 12 rice characters, amylose content (AC) showed as largest variance (4.9 to 28.9%), whereas grain length (GL) showed as the lowest variance (4.4 to 5.9 mm). In principal component analyses (PCA), the first principal component explained 60.3% of total variance, in which culm length (CL) and growth period (GP) showed as positive variance and AC showed as negative variance. The second principal component explained an additional 22.4% of the total variance, in which GP and AC showed highly positive variables and CL showed a negative variable. Forty nine SSR markers produced a total of 473 alleles with an average of 9.65 alleles. Polymorphism information content (PIC) was in the range of 0.11 to 0.93. Average observed heterozygosity ranged from 0.12 to 0.39, with an average value of 0.61. As a result of STRUCTURE analysis, 76 Korean rice landraces showed two subpopulations. In clustering analysis, rice characters and SSR markers were clustered into four groups and three groups, respectively. However, they were not significant different from each other. These results provided insight into the characteristics of Korean rice landraces, thus improving our knowledge on rice breeding.
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참고문헌 (45)
참고문헌 신청
Archak S / 2003 / Comparative assessment of DNA fingerprinting techniques (RAPD, ISSR and AFLP)for genetic analysis of cashew (Anacardium occidentale L.) accessions of India / Genome 46:362~369
Asre PA / 2011 / Morphological and molecular based diversity studies of some cassava (Manihot esculenta Crantz) germplasm in Ghana / Afr. J. Biotech 10:13900~13908
Association of Official Agricultural Chemists / 2005 / Official Methods of Analysis of AOAC International / AOAC International Gaithersburg
Bajracharya J / 2006 / Rice landrace diversity in Nepal: Variability of agromorphological traits and SSR markers in landraces from a high-altitude site / Field Crop Res 95:327~335
Bar-Hen A / 1995 / Relationship between genetic markers and morphological traits in a maize inbred lines collection / Euphytica 84:145~154
Asre PA / 2011 / Morphological and molecular based diversity studies of some cassava (Manihot esculenta Crantz) germplasm in Ghana / Afr. J. Biotech 10:13900~13908
Association of Official Agricultural Chemists / 2005 / Official Methods of Analysis of AOAC International / AOAC International Gaithersburg
Bajracharya J / 2006 / Rice landrace diversity in Nepal: Variability of agromorphological traits and SSR markers in landraces from a high-altitude site / Field Crop Res 95:327~335
Bar-Hen A / 1995 / Relationship between genetic markers and morphological traits in a maize inbred lines collection / Euphytica 84:145~154
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