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현종내,김미정,김양길,이미자,최재성,김현태,한상익,고종민,임시규,박종철,김정곤,서세정,김대호 강성주,김성택 한국육종학회 2009 한국육종학회지 Vol.41 No.3
"다호"은 맥주보리 고품질 내재해성 신품종을 개발하기 위하여 1997년에 작물과학원에서 대립이면서 색택이 양호한 밀양 85호를 모본으로 하고 바이러스저항성인 수원 335호를 부본으로 인공교배1 하여 육성한 품종으로 2007년 12월에 농작물 직무육성 신품종 선정 위원회에서 "다호"이라 명명하여 맥주보리 호위축병저항성 중간모본으로 국가품종보호출원 하고 그 특성은 다음과 같다. 다호는 2조형 맥주보리로서 출수기와 성숙기가 빠른 중생종이며 호위축병은 진주 A new malting barley variety, "Daho", was developed from the cross between "Milyang85 and Suwon335" at the Department of Rice and Winter Cereal Crop (DRWCC) NICS, in 2007. An elite line, YMB2064-B-8-2-4-1-1, was selected in 2004 and designated as "Milyang134". It showed good agronomic performance in the regional adaptation yield trials (RYT) from 2005 to 2007 and was released with the name of "Daho", having high yielding and BaYMV resistance. The average heading and maturing dates of "Daho" were April 19 and May 27, which were 2 days later and 1 day earlier than those of "Jinyang", leading variety, at the regional adaptation yield trials (RYT), respectively. "Daho" had longer culm length (84 cm), more spikes per m^2 (915) and higher 1,000 grain weight (39.2 g) than those of "Jinyang" in paddy field condition. "Daho" was showed resistance to BaYMV at the regions of Naju, Jinju, and Milyang but moderately resistance at Iksan. However, the response of "Daho" to other environmental stresses was similar to "Jinyang". The yields of "Daho" at upland and paddy fields were about 5.20 MT/ha, 4.81 MT/ha, respectively, which is about 38%, 25% higher than those of "Jinyang" in the regional adaptation yield trials (RYT), respectively. It has higher grain assortment, germination capacity, water sensitivity and Kolback index but lower malt extract, diastatic power and filtration speed than those of "Jinyang".
김경훈,강천식,박종철,신상현,현종내,박철수 한국육종학회 2012 한국육종학회지 Vol.44 No.4
수발아 평가와 GI 평가는 정의 상관을 나타내었고, GI 평가는 년차간 변이를 나타내지 않아서 향후 수발아 저항성 계통 평가에 활용이 가능하지만 품종과 연차간 상호작용에서 변이가 나타나기 대문에 향후 지속적인 평가를 통하여 활용여부를 결정해야 할 것으로 생각한다. 수강밀과 우리밀은 수발아율과 GI 모두 낮게 나타나서 수발아 저항성 자원으로 활용될 수 있으며, 국내 밀 품종에는 없지만 수발아 저항성 외국 자원에서 나타나는 Vp-1Bb와 Vp-1Bf는 수발아 저항성 증진을 위해 도입을 고려해야 할 것이다. 염색체 4AL에 존재하며 외국 밀 품종에서 효과적으로 활용되고 있는 SSR 마커인 ZXQ118와 Xhbe03를 이용하여 국내 밀 품종을 평가한 결과, 국내 밀 품종의 변이 폭이 다양하지 않아 이들 표지 인자를 이용하여 수발아 저항성 품종을 구별하기는 어려웠기 때문에 앞으로 국내 밀에서 수발아 저항성 계통 선발에 활용이 가능한 마커 개발에 대한 연구가 필요하다. Pre-harvest sprouting (PHS) of wheat (Triticum aestivum L.) reduces the quality and economic value of grain. Therefore improving PHS tolerance is one of the most important traits of wheat breeding program. The objectives of this study were to evaluate PHS resistance of 28 Korean wheat cultivars and to identify molecular markers associated with PHS resistance to improve the breeding process. PHS was evaluated using both mist spray in the humid chamber and artificial rain fall in the greenhouse and germination index (GI) also was determined for two years. Both evaluation of PHS and GI were significantly influenced by genotype and the interaction between year and genotype, but GI was appeared to be more stable across the year than evaluation of PHS. GI was positively correlated with both percentage of PHS induced by mist spray (r = 0.612, P < 0.001) and artificial rain (r = 0.659, P < 0.001). Sukang and Uri could be used for artificial crossing to improve PHS resistance in Korean wheat breeding program because these cultivars showed lower values in both PHS evaluations and GI compared to other varieties. One STS (sequence tagged sites) and two SSR (simple sequence repeat) markers were also applied to evaluate the suitability for PHS resistance selection. The frequencies of Viviparous-1B (Vp-1B) alleles which were detected by STS marker associated with PHS resistance, were Vp-1Ba (57.1%) > Vp-1Bc (25.0%) > Vp-1Bd (10.7%). However, variation of Vp-1B alleles did not related to PHS resistance in Korean wheat cultivars. Two SSR markers, ZXQ118 and Xhbe03 which located on chromosome 4AL, showed less variation than Vp-1B alleles. These SSR makers did not correlate with PHS resistance and GI, although white grain with 504 bp at ZXQ118 and 146bp at Xhbe03 showed higher percentage of PHS and GI value than red grain. Therefore, it will need to develop an efficient and reliable co-dominant marker in the evaluation of Korean wheat cultivars for PHS tolerance.
현종내,김미정,김양길,이미자,최재성,김현태,한상익,고종민,임시규,박종철,김정곤,서세정,김대호 강성주,김성택 한국육종학회 2009 한국육종학회지 Vol.41 No.3
"오름"은 맥주보리 고품질 내재해성 신품종을 개발하기 위하여 1997년에 작물과학원 에서 보리 호위축병 저항성인 'Kinuyudaka'를 모본으로 하고 단간이며 내도복성인 '삼도보리'를 부본으로 인공교배하여 육성한 품종으로, 2006년 12월에 농촌진흥청 농작물 직무육성 신품종 선정 위원회에서 "오름"이라 명명하여 국가품종목록에 신품종으로 등록하였으며 그 특성은 다음과 같았다. "오름"은 2조형 맥주보리로서 출수기와 성숙기가 빠른 중생종이고 간장은 75 A new malting barley variety, "Oreum", was developed from the a cross between 'Kinuyutaka' and 'Samdobori' at the Honam Agricultural Research Institute (HARI) in 2006. An elite line, YMB2077-2B-24-1-2, was selected in 2003 and designated as 'Milyang132'. It showed good agronomic performance in the regional adaptation yield trials (RYT) from 2004 to 2006, and was released with the name of "Oreum" having high yielding and BaYMV resistance. The average heading and maturing dates of "Oreum" were April 18 and May 24, which were 2 days later than 'Jinyang', a leading variety, at RYT. "Oreum" had longer culm length (75 cm), more spikes per m^2 (990), and lighter 1,000 grain weight (35.2 g) than those of 'Jinyang' in paddy field conditions. It was showed resistance to BaYMV at the regions of Naju, Jinju and Milyang but moderate resistance at Iksan. However, the response to other environmental stresses of was similar to 'Jinyang' The yield potential of "Oreum" was about 5.43 MT/ha, 4.93 MT/ha in upland and paddy fields which was about 80%, 35% higher than Jinyang in the regional adaptation yield trials (RYT), respectively. It has good malting quality including high grain assortment, germination capacity ratio, water sensitivity and high the malt production and the extract and short filtration speed than those of 'Jinyang'.