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서지반출
Evaluation of QTL Related SSR Marker Universality in Korean Rice Breeding Populations
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  • Evaluation of QTL Related SSR Marker Universality in Korean Rice Breeding Populations
  • Evaluation of QTL Related SSR Marker Universality in Korean Rice Breeding Populations
저자명
Song. Moon-Tae,Lee. Jeom-Ho,Lee. Sang-Bok,Ku. Ja-Hwan,Cho. Youn-Sang,Song. Myung-Hee,Park. Sung-Ho,Hwang. Hung-Goo
간행물명
Korean journal of crop science
권/호정보
2003년|48권 1호|pp.56-64 (9 pages)
발행정보
한국작물학회
파일정보
정기간행물|ENG|
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
서지반출

기타언어초록

If a quantitative trait loci (QTL) marker identified in a population is applicable to different populations (marker universality), this will not only reduce the labor and cost in marker assisted selection (MAS), but accelerate the application of molecular markers to real breeding programs. Present study aims to evaluate the defined QTL related markers from a population to a different breeding population for the MAS. Four rice breeding populations were subjected to seventy-five simple sequence repeat (SSR) markers which were already identified for their polymorphism information content (PIC) in the parents of the crossings. Among them, eight markers were evaluated for their correlation between presence of marker alleles and phenotypic expression in breeding populations. A reasonable level of polymorphism for the mapped markers originated from any sources of rice accessions was observed between crosses of any sources (marker repeatability). However, correlation between presence of markers and expression of the traits in rice breeding populations was not significant except for minor portion of traits and markers examined (failure of marker universality). In the present study, various strategies were discussed to develop new markers with universality of breeding application.