질소 소비료 적성 고양식미 벼 신품종 ‘청해진미’

• Published in: Korean journal of breeding Vol. 42; no. 3; pp. 307 - 312
• Main Authors: 오명규(Myung-Kyu Oh), 김연규(Yeon-Gyu Kim), 김명기(Myeong-Ki Kim), 조영찬(Young-Chan Cho), 황흥구(Hung-Goo Hwang), 홍하철(Ha-Cheol Hong), 최임수(Im-Soo Choi), 김정주(Jeong-Ju Kim), 이점호(Jeom-Ho Lee), 백만기(Man-Kee Baek), 최용환(Yong-Hwan Choi), 정종민(Jong-Min Jeong), 양창인(Chang-In Yang), 오세관(Sea-Kwan Oh), 최인배(In-Bea Choi), 원용재(Yong-Jae Won), 천아름(A-Reum Chun)
• Format: Journal Article
• Language: Korean
• Published: 한국육종학회 30.06.2010; The Korean Breeding Society
• Subjects: 농학; High-eating quality; Cheonghaejinmi; Low nitrogen fertilizer; Rice
• ISSN: 0250-3360; 2287-5174

‘청해진미’는 질소 소비료 적응 고품질 품종을 육성할 목적으로 1995년 하계에 국립식량과학원 답작과 벼품종개발연구팀에서 소비료 적응 특성을 가진 삼지연을 모본으로 병해충저항성 계통 SR14694-57-4-2-1-3-2-2와 양조특성이 우수한 이리 402호를 부본으로 3원 교잡하여 계통육종법에 따라 우량계통을 육성하였다. 선발된 우량계통에 대해 2005~2006년 2년간 생산력 검정시험 결과, 중만생이고 도정 특성과 쌀 외관 및 밥맛이 양호한 SR216 ‘Cheonghaejinmi’ is a new japonica rice variety developed from three-way cross between Samjiyeon/SR14694-57-4-2-1 -3-2-2//Iri402 by the rice breeding team of National Institute of Crop Science, RDA. Heading date of this variety is August 18, 4 days later than that of ‘Sobibyeo’ in middle plain areas. It has culm length of 78 cm, 125 spikelets per panicle, 92.5% of ripened grain rate, and 23.9 g of 1000-brown rice weight. It showed 12 days of heading delay, and 63% spikelet fertility in cold-water irrigation stress. ‘Cheonghaejinmi’ is susceptible to blast disease, bacterial blight, virus diseases and plant hoppers. The nitrogen use efficiency of this variety is higher than that of Sobibyeo in low nitrogen application level. Milled rice of ‘Cheonghaejinmi’ exhibits translucent, clear non-glutinous endosperm and medium short grain. It has 5.9% protein content, 20.3% amylose content, and 0.28 palatability index of cooked rice compared to -0.11 of Hwaseongbyeo. The milled rice yield of ‘Cheonghaejinmi’ was about 5.31 MT/ha at low nitrogen application level of ordinary season culture. This variety had 98.8% whole grain in milled rice and 76% milling recovery of whole grain. ‘Cheonghaejinmi’ would be adaptable to middle plain areas and middle-western coastal areas in Korea.