‘다청’은 국립식량과학원 벼맥류부에서 2008년도에 육성한 중만생 고품질 복합내병충성 품종으로 주요특성과 수량성을 요약하면 다음과 같다. 1. 남서해안지, 호남 및 영남평야지 보통기 보비재배에서 평균 출수기가 8월 19일로 ‘남평벼’보다 2일 늦은 중만생종이다. 2. 간장은 87 cm로 ‘남평벼’보다 크며, 수당립수는 많고 등숙비율이 다소 낮은 중립종에 속한다. 3. 위조현상은 나타나지 않았으며 성숙기 하엽노화가 늦고 수발아는 ‘남평벼’보다 잘 되는 편

국내에서 육성된 178개 품종을 이용하여 12개 이삭형질에 대한 검토 결과는 다음과 같다. 통일형이 자포니카형보다 이삭길이는 길었고 이삭목은 두꺼웠다. 또한 수당립수, 총지경수, 2차 지경수, 2차 지경 총립수, 2차 지경 평균립수 및 1차 지경당 2차 지경수 각각에서 많았다. 반면에 자포니카형이 통일형보다 이삭추출은 양호하였고 1차 지경 평균립수도 약간 많았다. 12개 이삭형질 값을 가지고 평균 연결법을 이용하여 178개 품종을 대상으로 군집분석을 한

"보석"은 국립식량과학원 벼맥류부에서 2008년도에 육성한 조생 고품질 내냉성 품종으로 주요특성과 수량성을 요약하면 다음과 같다. 1. 보통기 보비재배에서 평균 출수기가 7월 29일, 남부중산간지에서는 7월 26일로 오대벼보다 3일정도 빠른 조생종이다. 2. 오대벼에 해 주당수수와 수당립수는 많고, 등숙비율은 다소 높으나 현미천립중은 오대벼보다 가벼운 편이다. 3. 위조현상은 없고 성숙기 하엽노화가 늦고 수발아는 오대벼 보다 잘되는 편이다. 유묘기 내냉

벼 내염성 유묘검정에서 실용성, 경제성, 정밀성이 우수한 검정체계를 확립하고벼 자포니카 내염성 중간모본 및 품종개발을 위한 내염성 유전자원 및 품종을 선발 이용하고자 본 시험을 수행하였다. 1. 증류수 이용 Yoshida 양액에 NaCl를 첨가한 염처리는 0.3%, 0.5%, 0.7%로 희석한 바닷물로 Yoshida 양액을 제조한 염처리 보다 유묘 내염성 계통을 선발하는데 효율적이었다. 2. 수돗물로 양액 제조 처리는 증류수로 양액 제조 처리와 유묘 내

‘Saenuri’ is a new japonica rice variety developed and registered by the rice breeding team of Department of Rice and Winter Cereal Crop, NICS, RDA in 2007. This variety was derived from a cross between Gyehwa17 with lodging tolerance and high yield potential, and HR14026-B-68-6-1-5 with resistance to diseases and good eating quality. This variety has about 124 days growth duration from transplanting to harvesting in west-southern coast, Honam and Youngnam plain of Korea. It is about 78 cm in culm length and tolerance to lodging. In reaction to biotic and abiotic stresses, it shows moderately resistance to blast, and resistance to bacterial blight pathogen races from K1 to K3 and stripe virus, but susceptible to other major diseases and insect pests. The milled rice of “Saenuri” exhibits translucent, relatively clear non-glutinous endosperm and midium short grain. It has similar amylose content of 19.0% and lower protein content of 6.1%, and good palatability of cooked rice compared with Nampyeongbyeo. The milled rice yield performance of this variety is about 5.71MT/ha in local adaptability test for three years. “Saenuri” would be adaptable to west-southern coast, Honam and Youngnam plain of Korea.

“Unmi” is a new japonica rice variety developed by the rice breeding team of Honam Agricultural Research Institute, NICS, RDA in 2007. This variety was developed from a across between Samcheonbyeo with lodging and cold tolerance and HR17870 derived from the cross of Iksan435 (Sobibyeo) and Sangju17 with resistance to diseases and good quality. This variety has about 110 days of growth duration from transplanting to harvesting in northern plain, northern and southern mid-mountainous areas of South Korea. It is about 68 cm in culm length and tolerant to lodging. In reaction to biotic and abiotic stresses, it shows moderate resistance to blast, and to bacterial blight pathogen races from K1 to K3, but susceptible to other major diseases and insect pests. The milled rice of “Unmi” is translucent and has relatively clear non-glutinous endosperm and medium short grain. It has about 17.3% amylose content, 6.3% of protein and similar palatability of cooked rice compared with Odaebyeo. The milled rice yield performance of this variety is about 5.16 MT/ha under the standard fertilizer level of the ordinary transplanting cultivation. “Unmi” would be adaptable for ordinary transplanting in the northern plain, northern and southern mid-mountainous area of South Korea.

“wangkeumbora”is a new japonica rice cultivar developed from a three way cross of Jinbubyeo, Odaebyeo and Fukei126 at Honam Agricultural Reaserch Institute (HARI), NICS, RDA, in 2006. This cultivar has about 110 days growth duration from transplanting to harvesting under Korean climate condition. The milled kernel of “wangkeumbora”is translucent with non- glutinous endosperm. Amylose content of “wangkeumbora”is about 19.3%. “wangkeumbora”has better palatability of cooked rice compared with “daebyeo”and shows high resistant reaction to the blast, but susceptible to major diseases and insect pests. The milled rice yield of "Hwangkeumbora" is about 5.37 MT/ha under the standard fertilizer level of the ordinary transplanting cultivation. “wangkeumbora”would be adaptable for ordinary transplanting in northern plain, mid-mountainous and southern mountainous of Korea.

‘nnuri’is a japonica rice cultivar developed from the cross between ‘ilyang 165’and HR14732-B-67-2-3 at Honam Agricultural Research Institute (HARI), NICS, RDA, in 2005. This cultivar has a short grain shape and about 121 days growth duration from transplanting to harvesting in Korean climate condition. In reaction to biotic and abiotic stresses, it shows resistance to blast, bacterial blight pathogen from K1 to K3 and stripe virus, but susceptible to other major diseases and insect pests. The milled kernel of ‘nnuri’is translucent with non-glutinous endosperm. It has about 18.6% of amylose content and better palatability of cooked rice compared with ‘hucheongbyeo’cultivated in Kyunggi province. The milled rice yield of ‘nnuri’is about 5.94 MT/ha under the standard fertilizer level of the ordinary transplanting cultivation. ‘nnuri’would be adaptable to southern plain of Cheonan, middle-northern plain, and southern mid-mountainous of Korea.

‘'Sinunbong 1’' is a japonica rice cultivar developed from the cross between “"Sangjubyeo”", high yield cultivar and ‘'Unbong 17’', cold tolerance at Honam Agricultural Research Institute (HARI), NICS, RDA, in 2005. This cultivar has a short grain shape and about 111 days growth duration from transplanting to harvesting in Korean climate condition. This cultivar shows high resistant reaction to the blast, but susceptible to bacterial blight and strip virus. This variety has cold tolerance, compared to Odaebyeo. The milled kernels of ‘'Sinunbong 1’' are translucent with non-glutinous endosperm. It has about 19.2% of amylose content and better palatability of cooked rice compared with ‘'Odaebyeo’'. The milled rice yield of ‘'Sinunbong 1’' is about 5.46 MT/ha under the standard fertilizer level of the ordinary transplanting cultivation. ‘'Sinunbong 1’' would be adaptable to the northern plain, mid-mountainous, southern mountainous of Korea.

‘'Hwangkeumnuri’' is a japonica rice variety developed and registered by the rice breeding team of Honam Agricultural Research Institute, NICS, RDA in 2006. This variety was derived from a cross between ‘'Milyang 165’' (Junambyeo) with good quality and high yield and HR14732-B-67-2-3 with multi-disease resistance. This variety has about 125 days growth duration from transplanting to harvesting in west-southern coast, Honam and Youngnam plain of Korea. It is about 76 cm in culm length and tolerance to lodging. In reaction to biotic and abiotic stresses, it shows resistance to blast, bacterial blight pathogen from K1 to K3 and stripe virus, but susceptible to other major diseases and insect pests. The milled rice of ‘'Hwangkeumnuri’' exhibits translucent, relatively clear non-glutinous endosperm and midium short grain. It has similar amylose content of 18.9% and lower protein content of 6.2%, and good palatability of cooked rice compared with ‘'Nampyeongbyeo’'. The milled rice yield performance of this variety is about 5.74 MT/ha in local adaptability test for three years. ‘'Hwangkeumnuri’' would be adaptable to west-southern coast, Honam and Yeongnam plain of Korea.

Hopyeongbyeo is an anther culture derived Japonica rice (Oriza sativa L.) cultivar from the cross between Hitomebore and Hwajinbyeo by the rice breeding team of Honam Agricultural Research Institute (HARI), NICS, RDA, in 2003. This cultivar has a about 126 days growth duration from transplanting to harvesting. The short and round grain shape of Hopyeongbyeo is translucent with non-glutinous endosperm. Amylose content of rice grain is about 17.8% and high palatability of cooked rice compared with Nampyeongbyeo. This cultivar shows resistant to bacterial blight pathogenes of K1. The milled rice yield of Hopyeongbyeo is about 5.13MT/ha at ordinary transplanting culture in the local adaptability test. Hopyeongbyeo would be adaptable for the southern plain area of Korea.