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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‘Hwaweon 4’ was developed from a cross between the African upland cultivar, ‘Moroberekan’ and ‘Ilpumbyeo’ based on marker-aided backcross selection. The recurrent parent ‘Ilpumbyeo’ is a high grain quality cultivar with medium to late maturity. ‘Hwaweon 4’ is nearly isogenic to ‘Ilpumbyeo’ except a small Moroberekan introgressed segment on chromosome 4harboring the resistance gene for blast. The preliminary and replicated yield trial was conducted at Chungnam National University in 2006 and 2007. The local adaptability test was carried out by the National Seed Management Office (NSMO) from 2008 to 2009. This cultivar was registered to NSMO with a cultivar designated as ‘Hwaweon 4’. This cultivar averaged 76 cm in culm length and has medium growth duration. Milled rice of ‘Hwaweon 4’ is translucent and the grain quality traits are comparable to those of the recurrent parent. It has low protein content. The yield potential of ‘Hwaweon 4’ in grain was about 6.31 MT/ha at the ordinary fertilizer level for two years. This variety showed highly resistance reaction at the blast nursery test at four locations and also at the sequential planting method. This resistance is due to the resistance gene designated as Pi45(t) on chromosome 4 introgressed from the donor parent, ‘Moroberekan’. The Pi45(t) gene would be useful inenhancing resistance to blast in rice breeding program.
목차
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참고문헌 (13)
참고문헌 신청
Bonman JM / 1992 / Breeding Rice for Resistance to Pests / Ann. Rev. in Phytopathol 30 : 507 ~ 528
Bryan GT / 2000 / A single amino acid difference distinguishes resistant and susceptible alleles of the rice blast resistance gene Pi-ta / Plant Cell 12 : 2033 ~ 2045
Chen X / 2006 / A B-lectin receptor kinase gene conferring rice blast resistance / Plant J 46 : 794 ~ 804
International Rice Research Institute / 1996 / Standard evaluation system for rice, 4th ed / International Rice Research Institute
Jeung JU / 2007 / A novel gene, Pi40(t), linked to the DNA markers derived from NBS-LRR motif confers broad spectrum of blast resistance in rice / Theor. Appl. Genet 115 : 11
Bryan GT / 2000 / A single amino acid difference distinguishes resistant and susceptible alleles of the rice blast resistance gene Pi-ta / Plant Cell 12 : 2033 ~ 2045
Chen X / 2006 / A B-lectin receptor kinase gene conferring rice blast resistance / Plant J 46 : 794 ~ 804
International Rice Research Institute / 1996 / Standard evaluation system for rice, 4th ed / International Rice Research Institute
Jeung JU / 2007 / A novel gene, Pi40(t), linked to the DNA markers derived from NBS-LRR motif confers broad spectrum of blast resistance in rice / Theor. Appl. Genet 115 : 11
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