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
오류제보하기
Rice is not only one of major crops grown in the world but also the staple food in Asia. However, in modernagriculture, the genetic diversity in rice gene pool is diminishing by selection breeding. Hence, rice is readily threatened by bioticand abiotic stresses. Rice blast is one of the major threats to stable rice production. The best approach to prevent rice blast isdevelopment of rice cultivars harboring resistance gene against blast disease. National Institute of Crop Science (NICS) in Koreadeveloped a mutant line, Namil(SA)-bl5, which has inherited short culm and rice blast resistance by treatment of sodium azide(SA). To localize favorable mutated allele types, two mapping populations were constructed by using F2 progenies derives crossesbetween Namil(SA)-bl5 and Milyang23 and Namil (wild type) and Milyang23. Each F2 progenies were evaluated in terms ofculm length and resistance level against a rice blast isolate, 94-254 along with their parental lines. Association analyses betweenmarker genotype on 68 SSR anchor markers and evaluated phenotype of progeny lines were adopted to localize the putativechromosomal locations involved to culm length and blast resistance. Association analyses localized two major loci on thechromosomes of middle-low region of 6 (R2=15.8%) and the distal region of 7 (R2=20.0%), and a major locus on the middleof chromosome 12 (R2=46.6%) for the reduced culm length and increased resistance level against rice blast, respectively.
목차
등록된 정보가 없습니다.
참고문헌 (25)
참고문헌 신청
Chen Mingjiang / 2013 / Genetic analysis and fine mapping of a semi-dwarf gene in a centromeric region in rice (Oryza sativa L.) / BREEDING SCIENCE 63 (2) : 164 ~ 168
Cho YG / 1994 / The semidwarf gene, sd-1, of rice (Oryza sativa L.). II. Molecular mapping and marker-assisted selection / Theor. Appl. Genet 89 : 54 ~ 59
Foster KW / 1978 / Inheritance of semidwarfism in rice, Oryza sativa L / Genetics 88 : 559 ~ 574
Han SS / 1994 / Regional and annual fluctuation of race distribution of rice blast fungus (Pyricularia grisea Sacc.) during 1986～1992 in Korea / Korean J. Plant Pathol 10 :
Han SS / 1995 / Incidence of panicle blast, race distribution during 1993～1994 and pathogenicity of new races of Pyricularia grisea in Korea / Korean J. Plant Pathol 11 : 23
Cho YG / 1994 / The semidwarf gene, sd-1, of rice (Oryza sativa L.). II. Molecular mapping and marker-assisted selection / Theor. Appl. Genet 89 : 54 ~ 59
Foster KW / 1978 / Inheritance of semidwarfism in rice, Oryza sativa L / Genetics 88 : 559 ~ 574
Han SS / 1994 / Regional and annual fluctuation of race distribution of rice blast fungus (Pyricularia grisea Sacc.) during 1986～1992 in Korea / Korean J. Plant Pathol 10 :
Han SS / 1995 / Incidence of panicle blast, race distribution during 1993～1994 and pathogenicity of new races of Pyricularia grisea in Korea / Korean J. Plant Pathol 11 : 23
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