지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2015.1
- 수록면
- 809 - 817 (9page)
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초록· 키워드
오류제보하기
Increasing grain weight and breeding for ideal plant architecture are two means to improve the productivity of rice. Quantitative trait locus (QTL) mapping was conducted on ten yield component traits using a recombinant inbred line population derived from an indica 9 indica cross (M201 9 JY293). Correlation analysis revealed that plant height, panicle length and flag leaf length, classified as plant morphology traits, were positively correlated with grain shape traits such as thousandgrain weight, grain length and grain width. Two tillering traits, total and effective tiller numbers, showed negative correlations with nearly all the other traits tested. A total of 37 QTLs were detected over the 2-year study period, and 14 of them were identified in both years. Four clustered QTLs corresponding to known genes/QTLs (GW2, GS3, qGL3 and qTGW3.3) were revealed on chromosomes 2 and 3, which had pleiotropic effects on grain weight and plant architecture traits. QTL mapping demonstrated that qGL3 was a major QTL controlling grain length and weight, as well as plant height, panicle length and flag leaf length in rice. Three new QTLs, qTGW3.0, qGL2.2 and qETN4, were detected in both years and worth attention in breeding for high-yield rice varieties.
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등록된 정보가 없습니다.
참고문헌 (42)
참고문헌 신청
Ashikari M / 2005 / Cytokinin oxidase regulates rice grain production / Science 309:741~745
Bai X / 2010 / Genetic dissection of rice grain shape using a recombinant inbred line population derived from two contrasting parents and fine mapping a pleiotropic quantitative trait locus qGL7 / BMC Genet 11:16
Churchill GA / 1994 / Empirical threshold values for quantitative trait mapping / Genetics 138:963~971
Fan C / 2006 / GS3, a major QTL for grain length and weight and minor QTL for grain width and thickness in rice, encodes a putative transmembrane protein / Theor Appl Genet 112:1164~1171
Fujino K / 2008 / NARROW LEAF 7 controls leaf shape mediated by auxin in rice / Mol Genet Genomics 279:499~507
Bai X / 2010 / Genetic dissection of rice grain shape using a recombinant inbred line population derived from two contrasting parents and fine mapping a pleiotropic quantitative trait locus qGL7 / BMC Genet 11:16
Churchill GA / 1994 / Empirical threshold values for quantitative trait mapping / Genetics 138:963~971
Fan C / 2006 / GS3, a major QTL for grain length and weight and minor QTL for grain width and thickness in rice, encodes a putative transmembrane protein / Theor Appl Genet 112:1164~1171
Fujino K / 2008 / NARROW LEAF 7 controls leaf shape mediated by auxin in rice / Mol Genet Genomics 279:499~507
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