KOREAN JOURNAL OF CROP SCIENCE (한국작물학회지)

The Korean Society of Crop Science (한국작물학회)
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Discrimination of Korean Soybean Cultivars by SSR Markers

SSR 마커에 의한 한국 콩 품종의 판별

  • 김성훈 (충북대학교 농업생명환경대학) ;
  • 정종욱 (농촌진흥청 농업생명공학연구원) ;
  • 문중경 (농촌진흥청 작물과학원) ;
  • 우선희 (충북대학교 농업생명환경대학) ;
  • 조용구 (충북대학교 농업생명환경대학) ;
  • 정승근 (충북대학교 농업생명환경대학) ;
  • 김홍식 (충북대학교 농업생명환경대학)
  • Published : 2006.12.31
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Abstract

The objective of this study was to develop a technique for the cultivar discrimination using SSR markers in soybean. A total of 91 soybean cultivars developed from 1913 to 2002 in Korea were evaluated by five polymorphic SSR markers (Sat_043, Sat_036, Sat_022, Sat_088 and Satt045). Five SSR markers generated a total of 64 alleles and the number of alleles for each SSR marker ranged from 10 to 15 with average of 12.8. Polymorphic information contents (PIC) by five markers of 91 cultivars were ranged from 0.790 to 0.905 with average of 0.857. A total of 82 cultivars (90%) among 91 soybean cultivars could be individually discriminated by combination of five SSR markers through five step analysis. A cultivar, Buseok, by Sat_043 at the first step, 34 cultivars including Hojangkong by Sat_036 at the second step, 29 cultivars including Dankyeongkong by Sat_022 at the third step, 12 cultivars including Sinpaldalkong 2 by Sat_088 at the fourth step, and 6 cultivars including Saebyeolkong by Satt045 at the fifth step were discriminated. Soybean cultivars which were not discriminated by SSR markers could be discriminated by morphological characteristics.

SSR 마커를 이용하여 우리나라 콩의 품종판별 기술을 확립하기 위하여 1913년부터 2002년까지 국내에서 육성된 콩 91개 품종에 대하여 5개의 SSR마커(Sat_043, Sat_036, Sat_022, Sat_088 및 Satt045)를 이용하여 판별하였다. 판별용으로 이용된 SSR 5개 마커의 총 대립인자수는 64개이었고, 범위는 $10{\sim}15$개이었으며, 평균 대립인자 수는 12.8개이었다. PIC값은 $0.790(Satt045){\sim}0.905(Sat_043)$의 범위이었으며, 평균 PIC값은 0.857이었다. SSR 마커 5개의 조합으로 5단계의 판별을 통하여 총 91품종 중에서 82품종이 구별되어 약 90%가 판별되었다. 판별 1단계에서 Sat_043으로 판별하였을때 부석의 1품종이, 2단계의 Sat_036으로는 호장콩 등 34품종이, 3단계의 Sat_022로는 단경콩 등 29품종이, 4단계의 Sat_088로는 신팔달콩2호 등 12품종이, 5단계의 Satt045로는 새별콩 등 6품종이 판별되었다. 서로 간에 판별되지 않은 품종들은 형태적 특성에 의하여 구별이 가능하였다.

Keywords

References

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