지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
초록· 키워드
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Rice doubled haploid (DH) lines derived from crosses of the indica cultivar 93-11 and japonica line Milyang352 were used in genetic mapping and QTL analysis studies of days to heading (DTH), an important trait that controls rice yield and biomass. QTL mapping was conducted using the inclusive composite interval mapping method. We used 234 single-nucleotide polymorphic markers in the whole-genome region, including 100 KASP markers and 134 Fluidigm markers, to construct a genetic map. DH populations were raised in Milyang, Korea, over three different periods. Two major DTH QTLs, qDTH3-1 and qDTH7, were detected under natural conditions in Milyang, and explained 14.88%~24.56% and 24.20%~37.39% of the phenotypic variation, respectively, in 93-11 ×Milyang352 DH populations. During three different rice cultivation periods, qDTH3-1 and qDTH7 were repeatedly detected with significant logarithm of the odds scores and phenotypic variability explained. The findings of this study will make a valuable contribution to breeding high-yielding and early-maturing rice in Korea.
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참고문헌 (31)
참고문헌 신청
천경성 / 2018 / Single Nucleotide Polymorphism (SNP) Discovery and Kompetitive Allele-Specific PCR (KASP) Marker Development with Korean Japonica Rice Varieties / Plant Breeding and Biotechnology 6(4):391~403
Doi K / 2004 / Ehd1, a B-type response regulator in rice, confers short-day promotion of flowering and controls FT-like gene expression independently of Hd1 / Genes Dev 18:926~936
Dong Y / 2004 / Mapping of QTLs for leaf developmental behavior in rice(Oryza sativa L. ) / Euphytica 138:169~175
Fujino K / 2020 / A novel genotype DATTO5developed using the five genes exhibits the fastest heading date designed in rice / Korean J Breed Sci 70:193~199
Gao H / 2014 / Days to heading 7, a major quantitative locus determining photoperiod sensitivity and regional adaptation in rice / Proc Natl Acad Sci USA 111:16337~16342
Doi K / 2004 / Ehd1, a B-type response regulator in rice, confers short-day promotion of flowering and controls FT-like gene expression independently of Hd1 / Genes Dev 18:926~936
Dong Y / 2004 / Mapping of QTLs for leaf developmental behavior in rice(Oryza sativa L. ) / Euphytica 138:169~175
Fujino K / 2020 / A novel genotype DATTO5developed using the five genes exhibits the fastest heading date designed in rice / Korean J Breed Sci 70:193~199
Gao H / 2014 / Days to heading 7, a major quantitative locus determining photoperiod sensitivity and regional adaptation in rice / Proc Natl Acad Sci USA 111:16337~16342
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