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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2017.1
- 수록면
- 115 - 122 (8page)
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Leafspot is one of the major diseases of peanut (Arachis hypogaea L.) that can cause more than 50% yield loss. The objective of this study was to identify and map quantitative trait loci (QTLs) for resistance to leafspot disease. An F2:6 recombinant inbred line (RIL) population, derived from a released cultivar Tamrun OL07 and a highly tolerant breeding line Tx964117, were used as a mapping population. A total of 90 RILs were planted for disease phenotyping in Yoakum, Texas in 2010 and 2012. A genetic map spanning the 20 linkage groups was developed using 1,211 SNP markers based on double digest restriction-site associated DNA sequencing (ddRAD-seq). A total of six quantitative trait loci (QTLs) were identified, with LOD score values of 3.2-5.0 and phenotypic variance explained ranging from 11%-24%. Major QTLs identified in this study may be used as potential targets for peanut improvement to leafspot disease through molecular breeding.
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참고문헌 (24)
참고문헌 신청
Baird NA / 2008 / Rapid SNP discovery and genetic mapping using sequenced RAD markers / PLoS One 3:e3376
Baring MR / 2006 / Registration of 'Tamrun OL07' Peanut / Crop Sci 46:2721~2722
Bernier J / 2007 / A large-effect QTL for grain yield under Rreproductivestage drought stress in upland rice / Crop Sci 47:507~516
Burow MD / 2014 / Introgression of homeologous quantitative trait loci (QTLs) for resistance to the root-knot nematode [Meloidogyne arenaria (Neal) Chitwood] in an advanced backcross-QTL population of peanut (Arachis hypogaea L.) / Mol. Breed 34:393~406
Chiteka ZA / 1988 / Components of resistance to late leafspot in peanut. I. Levels and variability-Implications for selection / Peanut Sci 15:25~30
Baring MR / 2006 / Registration of 'Tamrun OL07' Peanut / Crop Sci 46:2721~2722
Bernier J / 2007 / A large-effect QTL for grain yield under Rreproductivestage drought stress in upland rice / Crop Sci 47:507~516
Burow MD / 2014 / Introgression of homeologous quantitative trait loci (QTLs) for resistance to the root-knot nematode [Meloidogyne arenaria (Neal) Chitwood] in an advanced backcross-QTL population of peanut (Arachis hypogaea L.) / Mol. Breed 34:393~406
Chiteka ZA / 1988 / Components of resistance to late leafspot in peanut. I. Levels and variability-Implications for selection / Peanut Sci 15:25~30
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