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
‘Jungmo1022’, a japonica rice cultivar, was developed by a cross between ‘Jinbu31’ (IT212616) and ‘Gyodong23’ (IT213764) bythe rice breeding team at the National Institute of Crop Science, Korea, in 2000. ‘Jinbu31’ is tolerant to cold, and ‘Gyodong23’ is earlymaturing with high yield potential. The growth period of ‘Jungmo1022’ in paddy fields was 116 days on the North-middle highland in Korea,shorter than that of ‘Jinbu’. The culm length of ‘Jungmo1022’ was 67 cm, which was 2 cm shorter than that of ‘Jinbu’. There were 91spikelets per panicle in ‘Jungmo1022’. The elite line was developed by shuttle breeding in a cold screening field at Chuncheon and highlandJinbu sites in order to screen for cold tolerant varieties. Forty-five lines with more than 50% fertility were selected from the F2 generationin the cold screening field, and the line SR28990-B-2-2-2 was selected by the pedigree breeding method through F3-F7 generations cultivatedon the North-middle highland in Jinbu. During the yield trial conducted in 2008-2009 yield trial, an early heading, high-yielding, and coldtolerant line ‘Jinbu 48’ was selected for the local adaptability tests conducted from 2010 to 2012. The early maturing and cold-tolerant ‘Jinbu48’ was superior to ‘Jinbu’ in exhibiting shorter heading delay, reduced culm length, and spikelet fertility under cold temperature. The newline showed a milled rice productivity of 5.69 MT/ha at Jinbu sites under North-middle highland cultivation and was registered as a newcultivar ‘Jungmo1022’ (Registration No. 5563).
목차
등록된 정보가 없습니다.
참고문헌 (14)
참고문헌 신청
Cho SY / 1993 / An early, cold tolerance and high quality rice variety ‘Jinbubyeo’ / RDA J Agri Sci 35:62~69
현웅조 / 2019 / 중북부고령지 적응 조생종 내냉성, 고품질 벼 ‘진한’ / 한국육종학회지 51(4):489~495
Ito N / 1971 / Male sterility caused by cooling treatment at the meiotic stage in rice. 3. Male abnormality at anthesis / Proc Crop Sci Soc Japan 39:60~64
Jeong EG / 2000 / Cold tolerance in rice varieties of North Korea / Korean J Breed Sci 32:45~50
Jeong EG / 1997 / Influence of low temperature at reproductive stage on rice grain quality / Korean j of Crop Sci 42:805~809
현웅조 / 2019 / 중북부고령지 적응 조생종 내냉성, 고품질 벼 ‘진한’ / 한국육종학회지 51(4):489~495
Ito N / 1971 / Male sterility caused by cooling treatment at the meiotic stage in rice. 3. Male abnormality at anthesis / Proc Crop Sci Soc Japan 39:60~64
Jeong EG / 2000 / Cold tolerance in rice varieties of North Korea / Korean J Breed Sci 32:45~50
Jeong EG / 1997 / Influence of low temperature at reproductive stage on rice grain quality / Korean j of Crop Sci 42:805~809
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