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.
초록· 키워드
오류제보하기
The cultivation of early maturing rice in the plain areas in Korea is increasingly diversifying its cropping systems. Early maturingrice cultivars are usually vulnerable to bacterial blight (BB) and rice stripe virus (RSV) compared to mid- and mid-late maturing rice cultivars. To enhance the resistance of early maturing rice against BB and RSV, ‘IS592BB’ was developed by introgression of resistance genes, Xa3,Xa21, and Stvb-i into the genetic background of ‘Unkwang’, an early maturing rice cultivar with excellent agronomic characteristics. ‘IS592BB’was derived from a backcross between ‘Unkwang’ and the F1 cross between ‘Unkwang’ and ‘SR31206-12’ (‘Unkwang’/‘SR30075’) and selectedthrough the pedigree method, yield trials, and local adaptability tests. Using bioassay and marker-assisted selection to BB and RSV, Xa3,Xa21, and Stvb-i were pyramided in ‘IS592BB’. ‘IS592BB’ exhibited high-level and broad-spectrum resistance against BB, including the K3arace, the most virulent race in Korea, and also showed a resistance reaction to RSV. ‘IS592BB’ was found to be an early maturing ricecultivar with similar agronomic characteristics to ‘Unkwang’ such as early maturing, lodging tolerance with short culm, erect plant architecture,blast resistance, and high-yielding performance. In the genetic background analysis using 771 KASP (Kompetitive Allele-Specific PCR) markers,‘IS592BB’ was confirmed to be the near-isogenic line (NIL) of ‘Unkwang’ with a 93.6% recovery rate. ‘IS592BB’ was successfully introgressedwith the Xa3+Xa21+Stvb-i genes into ‘Unkwang’ without linkage drag negatively affecting its agronomic characteristics. ‘IS592BB’ wouldenhance the adaptability of early maturing rice in the plain area through its multiple disease resistance (Registration No. 7648).
목차
등록된 정보가 없습니다.
참고문헌 (26)
참고문헌 신청
AOAC / 2000 / Official methods for analysis
Cheo ZR / 1975 / Optimum conditions for alkali digestivity test in rice / Korean J Crop Sci 19:7
Kyeong-Seong Cheon / 2019 / Kompetitive Allele-Specific PCR Marker Development and Quantitative Trait Locus Mapping for Bakanae Disease Resistance in Korean Japonica Rice Varieties / Plant Breeding and Biotechnology 7(3):208~219
Jena KK / 2017 / Development of 25 near-isogenic lines(NILs)with ten BPH resistance genes in rice(Oryza sativa L. ) : production, resistance spectrum, and molecular analysis / Theor Appl Genet 130:2345~2360
Ji HS / 2018 / Mapping of a major quantitative trait locus for bakanae disease resistance in rice by genome sequencing / Mol Genet Genomics 293:579~586
Cheo ZR / 1975 / Optimum conditions for alkali digestivity test in rice / Korean J Crop Sci 19:7
Kyeong-Seong Cheon / 2019 / Kompetitive Allele-Specific PCR Marker Development and Quantitative Trait Locus Mapping for Bakanae Disease Resistance in Korean Japonica Rice Varieties / Plant Breeding and Biotechnology 7(3):208~219
Jena KK / 2017 / Development of 25 near-isogenic lines(NILs)with ten BPH resistance genes in rice(Oryza sativa L. ) : production, resistance spectrum, and molecular analysis / Theor Appl Genet 130:2345~2360
Ji HS / 2018 / Mapping of a major quantitative trait locus for bakanae disease resistance in rice by genome sequencing / Mol Genet Genomics 293:579~586
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