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안억근(Eok Keun Ahn),이상복(Sang Bok Lee),원용재(Yong Jae Won),이점호(Jeom Ho Lee),장재기(Jae Ki Chang),정응기(Eung Gi Jeong),정국현(Kuk Hyun Jung),이정희(Jeong Heui Lee),조영찬(Young chan Cho),정종민(Jong Min Jeong),서정필(Jung Pil 한국육종학회 2018 한국육종학회지 Vol.50 No.3
‘Yeongwoo’, a mid-late flowering, high dry matter yielding rice (Oryza sativa L.) cultivar with high feed value and multiple disease-insect resistance, was developed for whole crop silage (WCS) use. It was derived from a cross between a high biomass and brown planthopper (Bph) resistant ‘SR25848-C99-1-2-1’ and high yielding Tong-il type, ‘Yongmun’ which had diseases resistance. This cultivar had about 117 days growth period from seeding to heading, 99 cm culm length, 26 cm panicle length, 11 panicles per hill, 125 spikelets per panicle, and 1,000-grain weight of 23.6 g as brown rice in the central plain region, Suwon. This wide and long leafy WCS rice variety was weak to cold stresses, similarly to ‘Nokyang’ but was resistant to lodging in the field, strong to viviparous germination, and good under low temperature germination. In addition, ‘Yeongwoo’ was resistant to leaf and neck blast, bacterial blight (race K1, K2, K3, K3a), rice stripe virus, Bph, and small Bph. Its average dry matter yield for three years reached 20.0 MT/ha, 32% higher than that of ‘Nokyang’. This cultivar had 5.3% crude protein and 71.7% total digestible nutrients, which was slightly lower than that of ‘Nokyang’. In the Korean peninsula, ‘Yeongwoo’ grew well in the central and southern plain and was could be harvested between 15 to 30 days after heading to improve the feeding value and digestion rate of livestock (Grant No. 6800).
안억근(Eok-Keun Ahn),원용재(Yong-Jae Won),홍하철(Ha-Cheol Hong),박향미(Hyang-Mi Park),정국현(Kuk-Hyun Jung),현웅조(Ung-Jo Hyun),장재기(Jae-Ki Chang),이정희(Jeong-Heui Lee),이점호(Jeom-Ho Lee),서정필(Jung-Pil Suh) 한국육종학회 2022 한국육종학회지 Vol.54 No.2
‘Miwoo’ is a mid-late maturing, high-biomass-yielding rice (Oryza sativa L.) cultivar with high feed value and resistance to multiple diseases and insect pests. It was developed for use as whole crop silage (WCS) from a cross between ‘Suweon519’, a line with high biomass yield and multiple disease resistance, and ‘Suweon518’, a medium flowering, high yielding Tong-il type line, which is resistant to blast (BL), bacterial blight (BB) (race K1), rice stripe virus (RSV) and brown planthopper (BPH). In the central plain region of Suwon, ‘Miwoo’ cultivar exhibited a growth period of approximately 122 days from seeding to heading, culm length of 99 cm, panicle length of 28 cm, 12 panicles per hill, 143 spikelets per panicle, and 1,000-grain weight of 25.9 g as brown rice. This mid-late-flowering rice variety was resistant to lodging during the yellowing ripening stage, an optimal period for harvesting. In addition, ‘Miwoo’ was strongly resistant to leaf and neck blast, BB (race K1, K2, K3, K3a), RSV, BPH and small BPH. Its average dry matter yield over 3 years reached 19.9 MT/ha, which is 36% higher than that of ‘Nokyang’. ‘Miwoo’ is a high-amylose cultivar with 70.7% total digestible nutrients (similar to that of Nokyang) and grows well on the central and southern plains of the Korean Peninsula. It should be harvested 30 days after heading to improve its feed value and digestion rate in livestock. (Registration No. 7683)
이모작 적응 조생 복합내병충성 고 바이오매스 사료용 벼 ‘조우’
안억근(Eok-Keun Ahn),원용재(Yong-Jae Won),이점호(Jeom-Ho Lee),정응기(Eung-Gi Jeong),박향미(Hyang-Mi Park),홍하철(Ha-Cheol Hong),장재기(Jae-Ki Chang),현웅조(Ung-Jo Hyun),정국현(Kuk-Hyun Jung),이정희(Jeong-Heui Lee) 한국육종학회 2021 한국육종학회지 Vol.53 No.2
‘Jowoo’, an early maturing, high biomass yielding rice (Oryza sativa L.) cultivar with high feed value and multiple disease-insectresistance, was developed for winter forage crop-whole crop silage (WCS) rice double cropping. It was derived from a cross between a highbiomass and multiple disease resistant line ‘Suweon519’ and an early flowering, high yielding Tong-il type variety ‘Gaya’ that harbored Bph3and BPH26, conferring brown planthopper (Bph) broad resistance. This cultivar had a growth period of approximately 106 days from seedingto heading, 97 cm culm length, 24 cm panicle length, 12 panicles per hill, 120 spikelets per panicle, and 1,000-grain weight of 22.1 g asbrown rice in the central plain region of Suwon. This early flowering rice variety was tolerant to premature germination and cold stresses,especially showed higher grain fertility than ‘Nokyang’ at a cold-water (17℃) irrigated screening nursery. Further, ‘Jowoo’ exhibited high lodgingresistance in the yellowing ripening stage, an optimal period for harvest. In addition, ‘Jowoo’ was resistant to leaf and neck blast, bacterialblight (race K1, K2, K3, K3a), rice stripe virus, and small Bph and was also moderately resistant to Bph. Its average dry matter yield forthree years reached 18.2 MT/ha, the highest among early flowering rice varieties and 19% higher than that of ‘Nokyang’. This cultivar had72.2% total digestible nutrients, which is also higher than that of ‘Nokyang’. In the Korean peninsula, ‘Jowoo’ grows well in the centraland southern plains and can be harvested 30 days after heading. This helps improve its feeding value and digestion rate in livestock (GrantNo. 8133).
종실과 잎이 매끄러운 중만생 고 바이오매스 사료용 벼 ‘중모1038’
안억근(Eok-Keun Ahn),이점호(Jeom-Ho Lee),양창인(Chang-Ihn Yang),정응기(Eung-Gi Jeong),이상복(Sang-Bok Lee),원용재(Yong-Jae Won),최용환(Yong-Hwan Choi),손지영(Ji-Young Shon),신영섭(Young-Seop Shin),윤미라(Mi-Ra Yoon),이규성(Gyu-Sung L 한국육종학회 2016 한국육종학회지 Vol.48 No.3
‘Jungmo1038 , a mid-late maturing, high dry matter yielding rice (Oryza sativa L.) cultivar with glabrous leaf and hull, was developed for whole crop silage (WCS) use. It was derived from a cross between ‘SR24592-HB2319’ with high biomass, smooth leaf and hull and good germinability in low temperature and new plant type (NPT), ‘IR73165-B-6-1-1‘ which had low tillering trait, large panicle, dark green leaf, thick and sturdy stem and vigorous root system. This cultivar had about 125 days growth period from seeding to heading, 99㎝ culm length, 20㎝ panicle length, 13 panicles per hill, 119 spikelets per panicle and 1,000-grain weight of 23.3 g as brown rice in central plain region, Suwon. This hairless WCS rice variety was weak to cold stresses similar to ‘Nokyang’ but was resistant to lodging in the field, strong to viviparous germination and good to low temperature germination. In addition, ‘Jungmo1038’ was resistant to leaf and neck blast but susceptible to bacterial blight, rice stripe virus and brown planthopper. Its average dry matter yield for three years reached 17.2 MT/ha, 21% higher than that of ‘Nokyang’. This glabrous cultivar had 6.6% crude protein and 62.4% total digestible nutrients a little low compared to ‘Nokyang’. In Korea peninsular, Jungmo1038 grows well in central and southern plain and is good to harvest between 15 to 30 days after heading to improve its feeding value and digestion rate of livestock(Grant No. 5634).
안억근(Eok-Keun Ahn),이점호(Jeom-Ho Lee),이상복(Sang-Bok Lee),양창인(Chang-Ihn Yang),최용환(Yong-Hwan Choi),장재기(Jae-Ki Chang),정종민(Jong-Min Jeong),이규성(Gyu-Sung Lee),김명기(Myeong-Ki Kim),김준환(Jun-Hwan Kim),원용재(Yong-Jae W 한국육종학회 2015 한국육종학회지 Vol.47 No.2
‘Jungmo1029’, a late-maturing, high biomass and multiple disease resistant rice (Oryza sativa L.) cultivar, was developed for whole crop silage (WCS) use. It was derived from a cross between ‘Gillim collection1’ with high biomass and ‘Junam’ which has some of diseases resistant genes. This elite cultivar had about 127 days growth period from seeding to heading, 105 cm culm length, 11 panicles per hill, 163 spikelets per panicle and 1,000-grain weight of 21.5 g as brown rice. This WCS rice variety was weak to cold stresses similar to ‘Nokyang’ but was tolerant to lodging in the field. In addition, ‘Jungmo1029’ was resistant to leaf and neck blast, bacterial blight except race K3a and rice stripe virus but susceptible to brown planthopper. Its average dry matter yield for three years reached 17.1 MT/ha, 14% higher than that of ‘Nokyang’. This stay green cultivar had good quality for WCS with low acid detergent fiber and high total digestible nutrients similar to ‘Nokyang’. ‘Jungmo1029’ was suitable for cultivation in the central and southern plain area of the South Korean peninsula and required to harvest 15~30 days after heading to improve the digestibility of cattle (Registration No. 5104).
안억근(Eok-Keun Ahn),현웅조(Ung-Jo Hyun),정국현(Kuk-Hyun Jung),원용재(Yong-Jae Won),홍하철(Ha-Cheol Hong),박향미(Hyang-Mi Park),장재기(Jae-Ki Chang),이정희(Jeong-Heui Lee),이점호(Jeom-Ho Lee),성낙식(Nak-Sig Sung),서정필(Jung-Pil Suh) 한국육종학회 2021 한국육종학회지 Vol.53 No.4
‘Keunpum’ is a mid-late maturing, high yielding, giant embryo rice (Oryza sativa L.) cultivar which is adapted to central plainsand was developed to be used as (germinated) brown rice. It is resistant to multiple diseases with a good grain quality. This cultivar wasderived by crossing a giant embryo rice variety ‘Keunnun’ and a mid-late maturing, multi-disease resistant rice cultivar ‘Samkwang’-it hasgood palatability of cooked rice. The growth period of this cultivar is approximately 117 d from seeding to heading, with a culm lengthof 88 ㎝, panicle length of 20 ㎝, 13 panicles per hill, 136 spikelets per panicle, and 1,000-grain weight of 19.1 g brown rice. This varietyhas low tolerance to cold stress and premature germination similar to ‘Keunnun’ but exhibits high resistance to lodging. In addition, ‘Keunpum’is resistant to bacterial blight (race K1, K2, K3), rice stripe virus, and is moderately resistant to leaf and neck blast. Its average milled riceyield for three years reached 5.34 MT/ha, which is 10% higher than that of ‘Keunnun’. In the brown and germinated brown rice of thiscultivar, the total dietary fiber content are 6.45% and 6.71%, and the GABA (γ-amino butyric acid) content are 6.61 and 39.47 mg/100g, respectively. In addition, the total contents of polyphenol, flavonoid, and tannin were higher in ‘Keunpum’ brown rice than in ‘Keunnun’. The DPPH and ABTS radical scavenging activities were 75.23, 116.08 mg TE/100g, respectively. These functional components and antioxidantactivities play an important role in inhibiting diseases and the aging process of the human body. Therefore, it is expected to be used asa basic data in the manufacture of secondary processed products using germinated brown rice (Grant No. 7684).
박혜영,이지윤,안억근,김현주,심은영,곽지은,천아름,우관식,박지영,김미정,Park, Hye-Young,Lee, Ji-Yoon,Ahn, Eok-Keun,Kim, Hyun-Joo,Sim, Eun-Yeong,Kwak, Jieun,Chun, Areum,Woo, Koan Sik,Park, Ji Young,Kim, Mi Jung 한국식품영양학회 2020 韓國食品營養學會誌 Vol.33 No.3
When producing rice products, it is very important to select suitable raw materials. Therefore, in this study, the quality characteristics of 16 rice cultivars were quantified to determine the criteria for evaluating the machinability of raw rice. The L value, which can affect the color of porridge prepared from rice, was the greatest for Hwaseonchalbyeo (84.17). The water-binding capacity, related to water interaction, was high in Hyangcheola (113.2%), and water solubility was high in Shingil (22.3%). Dodamssal (42.3%, 70.7 RVU) and Hwaseonchalbyeo (4.7%, 27.8 RVU) showed lower final viscosity compared to the cultivars in which the amylose content was medium groups (16.4~21.2%, 173.6~277.2 RVU). Specifically, cultivars with high or low amylose content had a low viscosity. The characteristics of the distribution of raw rice quality data were confirmed through 11 histograms. Furthermore, amylose content vs. water solubility, water solubility vs. peak viscosity, and peak viscosity vs. final viscosity showed high correlations (r=0.542, -0.569, and 0.836 respectively, p<0.01), and clear cultivar discrimination by the standard error of the mean (0.765~10.811). In conclusion, amylose content, water solubility, and peak viscosity were considered the most suitable characteristics for the quality evaluation of raw rice.
박혜영,이지윤,안억근,김현주,최혜선,박지영,심은영,송하나,김홍식,Park, Hye-Young,Lee, Ji-Yoon,Ahn, Eok-Keun,Kim, Hyun-Joo,Choi, Hye Sun,Park, Jiyoung,Sim, Eun-Yeong,Song, Hana,Kim, Hong-Sig 한국식품영양학회 2021 韓國食品營養學會誌 Vol.34 No.5
The effect of 16 cultivars on the quality of the rice porridge was investigated. The 'Geunnun' had the highest water absorption rate, but the 'Segyejinmi' yield (w/w) was the highest. The total sugar content of the rice porridge was 0.29~8.10%, showing significant variation among the cultivars. High amylose 'Dodamssal' and 'Hwaseonchalbyeo' glutinous rice displayed rotational viscosities of <20,000 cP. Rotational viscosities for boiled rice cultivars were 30,000~40,000 cP, representing an intermediate level, and the rotational viscosities of 'Geonyang2' and 'Hanareum4' were over 50,000 cP. These results suggest that the viscosity of rice porridge varies significantly among raw material cultivars. Among other variables affecting the texture profile of rice porridge, there were significant differences in hardness and gumminess among the cultivars. As a raw material, 'Baekokchal', a kind of glutinous rice, is known to be whiter than the non-glutinous rice, but after processing to porridge, it showed the lowest L value (71.1). Starch degrading enzyme activity was not significant in most types of rice porridges within 30 or 60 minutes. Therefore, enzymatic starch degradation is thought to be completed within 30 minutes. Among the tested raw materials, 'Miho' was 73.5 ㎍/mg, indicating the best digestibility in vitro.
현미죽 적합 품종 선정을 위한 현미 품종별 이화학적 특성
이진영,박혜영,이병원,박현수,안억근,김민영,이유영,김미향,이병규,김현주,Lee, Jin Young,Park, Hye Young,Lee, Byung Won,Park, Hyun-Su,Ahn, Eok-Keun,Kim, Min Young,Lee, Yu Young,Kim, Mi Hyang,Lee, Byung Kyu,Kim, Hyun-Joo 한국식품영양학회 2020 韓國食品營養學會誌 Vol.33 No.2
We investigated the physicochemical properties of brown rice by cultivar to select cultivar suitable for making brown rice porridge. The moisture content of the brown rice ranged from 8.79~11.78% with the highest varieties being 'Geonyangmi'. The crude ash and crude lipid content ranged from 1.02~1.65% and 1.65~3.26%, while the rest were similar except for 'Daebo'. Crude protein also had the lowest 'Daebo' and generally glutinous rice showed higher crude protein content than common rice. The hardness showed that 'Seolgaeng' and 'Keunnun' were the lowest, and 'Haiami' was the highest. In the RVA analysis, the setback was in the range -80.61~22.44 and was low in the order of 'Wolbaek', 'Baekjinju'', and 'Dongjinchal'. As a result of water binding capacity (WBC) measurement, 'Sindongjin', 'Geonyang' and 'Samkwang', were high in common rice, and 'Dongjinchal' and 'Hwaseonchal' were high in glutinous rice. Generally, solubility and swelling power in common rice was found to be lower than in glutinous rice. As a result, 'Samkwang' is considered suitable for brown rice porridge production because of high WBC, breakdown, and low setback.
이정희 ( Jeong Heui Lee ),안억근 ( Eok Keun Ahn ),하운구 ( Woon Goo Ha ),정응기 ( Eung Gi Jeong ),원용재 ( Yong Jae Won ),전용희 ( Yong Hee Jeon ),이상복 ( Sang Bok Lee ),정국현 ( Kuk Hyun Jung ),장재기 ( Jae Ki Chang ),이점호 ( J 한국국제농업개발학회 2015 韓國國際農業開發學會誌 Vol.27 No.2
To evaluate pre-harvest sprouting(PHS) characteristics of four Korean japonica rice cultivar, ‘MS11’, ‘Japonica1’, ‘Japonica2’ and ‘Jinmi’, which were developed in order to be adapted to tropical region, one Tongil-type, ‘Segyejinmi’ and one indica, ‘IR72’, we examined the viviparous germination rate(VGR) in growth chamber and field condition at International Rice Research Institute, the Philippines and National Institute of Crop Science, Korea, respectively. As results, VGR of three japonica rice cultivars were higher than that of ‘Segyejinmi’, Tongil-type and ‘IR72’, indica. And the VGR of ‘MS11’, ‘Japonica1’ were lower than that of ‘Jinmi’, parent of former two rice cultivar, meaning that it has more improved than its parent. In particular, among japonica rice cultivar, VGR of ‘MS11’ was the lowest both in temperate and tropical regions and that of ‘Japonica2’ was the highest both areas. However, VGR of those cultivar raised, VGR of tolerant two was still higher than that of indica cultivar. These results showed that in terms of viviparity, PHS tolerant ‘MS11’ and ‘Japonica1’ were suitable for and ‘Japonica2’ was inappropriate to cultivation in the tropical regions.