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논문 기본 정보

자료유형
학술저널
저자정보
구본일 (농촌진흥청 국립식량과학원) 전용희 (농촌진흥청 국립식량과학원) 원용재 (농촌진흥청 국립식량과학원) 안억근 (농촌진흥청 국립식량과학원) 정국현 (농촌진흥청 국립식량과학원) 현웅조 (농촌진흥청 국립식량과학원) 곽지은 (농촌진흥청 국립식량과학원) 이정희 (농촌진흥청 국립식량과학원) 김정주 (농촌진흥청 국립식량과학원) 박향미 (농촌진흥청 국립식량과학원) 이윤승 (농촌진흥청 국립식량과학원) 이점호 (농촌진흥청 국립식량과학원) 서정필 (농촌진흥청 국립식량과학원) 곽강수 (농촌진흥청 국립식량과학원) 최원영 (농촌진흥청 국립식량과학원)
저널정보
한국육종학회 한국육종학회지 한국육종학회지 제56권 제3호
발행연도
2024.9
수록면
361 - 370 (10page)
DOI
10.9787/KJBS.2024.56.3.361

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초록· 키워드

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Rice cultivar ‘Saeodae1’ was generated by crossing ‘Saeodae’, which has goodtaste and a medium-short round grain, and ‘Unbong51’ which has a combined disease resistanceand translucent grain. The aim of this was to develop an early maturing rice cultivarwith medium-short round grain and high quality rice which adapts to the mid-northern inlandplain, northern-middle highland, northern-east coastal region of Korea, and was undertakenby the rice breeding team of Cheolwon Substation, National Institute of CropScience (NICS), RDA, in 2022. In the normal growing season in the mid-northern inlandplain of Korea, the heading date of ‘Saeodae1’ was July 25 around the same time in ‘Odae’. ‘Saeodae1’ had a 75 cm culm length, 1 cm longer than that of ‘Odae’, and 75 spikelets perpanicle, similar to that of ‘Odae’. The ripened grain ratio (84.7%) of ‘Saeodae1’ was higherthan that (72.5%) of ‘Odae’. The head rice ratio (60.9%) of ‘Saeodae1’ was higher than thatof ‘Odae’, which is advantageous in securing yield. 1,000 grain weight (25.9 g) was similarto that of ‘Odae’, but it has a smaller degree of white core rice, leading to an improved consumerpreference. ‘Saeodae1’ exhibited resistance to blast and bacterial blight (K1, K2, K3races), but was susceptible to the K3a race of bacterial blight, stripe virus, dwarf and blackstreak dwarf viruses, and plant-hoppers. The milled rice of this variety was translucent,with a medium-short grain shape. The cooked rice grains of ‘Saeodae1’ exhibited a goodpalatability index (0.13) and similar amylose content (18.2%) to that of ‘Odae’. Grain millingcharacteristics, including head rice milling recovery ratio and head rice ratio (82.0%) werebetter than those of ‘Odae’. Average milled rice productivity of ‘Saeodae1’ was 5.59 t/haat six sites in the normal growing season (Registration No. 10182(2024.5.14.)).

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