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Jae Keun Sohn(孫再根),Jeong Suk Bae(裵丁淑) 한국육종학회 1995 한국육종학회지 Vol.27 No.4
Immature cotyledons of soybean, Glycine max (L.), were cultured to improve the efficiency of somatic embryogenesis. Varietal differences for the capacity of embryo formation were evaluated to select a promising cultivar with high efficiency of somatic embryogenesis. Embryogenic capacity was strongly influenced by genotypes of donor plants. A Korean soybean leading cultivar, Danyeobkong, was identified to have the highest frequency(28.7%) of somatic embryogenesis among nine soybean accessions. Efficiency of embryogenesis was also varied with the developmental stages of soybean seed serving as explant sources. The maximum frequency(16%) of embryogenesis was obtained from the immature seeds with size of 4~6㎜. Addition of 2, 4-D in the medium enhanced somatic embryogenesis from immature cotyledons, but it inhibited the formation of normal somatic embryos. The induction frequency of somatic embryo with normal morphology was higher in the presence of NAA(10㎎/L) than that of 2, 4-D. Most of somatic embryos formed on medium with 2, 4-D were developed to abnormal types. Somatic embryogenesis from immature cotyledons was promoted in the presence of 3% sucrose.
농업 형질 및 자엽의 색소 성분 특성에 기반한 녹색자엽 검정콩 자원의 유전적 다양성
이지윤(Ji Yun Lee),최홍집(Hong Jib Choi),손창기(Chang Ki Son),배정숙(Jeong Suk Bae),조현(Hyun Jo),이정동(Jeong-Dong Lee) 한국육종학회 2021 한국육종학회지 Vol.53 No.2
Understanding plant morphological and seed characteristics is an essential step for the utilization of genetic resources to improvetargeted traits in soybean breeding programs. The purpose of this study was to evaluate the agronomic traits and seed pigments of 469 blacksoybean germplasms with green cotyledons to identify useful resources using multivariate analyses, correlation, principal component analysis(PCA), and cluster analyses. The results showed that the range of flowering days from planting were 37.7-71.5 days, harvesting days fromplanting were 112.3-153.0 days, plant height was 49.6-151.6 cm, and 100-seed weight was 9.1-49.3 g. According to the correlation analyseswith agronomic traits, flowering and harvesting days were positively correlated with the plant height, number of nodes, and number of branches. Additionally, it was found that the chlorophyll a and total chlorophyll content had the greatest effect on the green color of the cotyledon. Based on the PCA, 13 quantitative traits were compressed into three components. The first three principal components accounted for 82.5%of the total variance. In this study, black soybean germplasms with green cotyledons were divided into four clusters by the K-means clusteranalysis (non-hierarchical procedure), based on the PCA. The cluster analysis showed that chlorophyll a and plant height had a significanteffect on the clustering of the black soybean germplasms used in this study. This study provides opportunities to easily select useful geneticresources for the development of new black soybean cultivars.
숙기가 빠르고 종실 수량이 많은 트리티케일 신품종 '신성'
한옥규,박형호,박태일,오영진,송태화,김대욱,채현석,홍기흥,배정숙,김기수,윤건식,이성태,구자환,권순종,안종웅,김병주,Han, Ouk-Kyu,Park, Hyung-Ho,Park, Tae-Il,Oh, Young-Jin,Song, Tae-Hwa,Kim, Dea-Wook,Chae, Hyun-Seok,Hong, Ki-Heung,Bae, Jeong-Suk,Kim, Ki 한국초지조사료학회 2016 한국초지조사료학회지 Vol.36 No.2
'신성'은 2015년에 농촌진흥청 국립식량과학원에서 육성되었다. 계통은 1998년 멕시코의 국제밀옥수수연구소(CIMMYT)에서 'ASNO'와 'ARDI_3'의 잡종에 'RIZO_7'을 교잡한 잡종과 'RONDO'과 'ERIZO_11'를 교잡한 잡종에 'KISSA_4'를 교잡한 잡종 간의 복교잡을 실시하여 작성되었으며, 고세대 계통인 'CTSS98Y00019S-0MXI-B-3-3-5'는 2010년부터 2012년까지 3년간 생산력검정시험을 실시하였다. 이 계통은 숙기가 빠르고 건물수량이 많아 '익산47호'로 계통명을 부여하고 2013년부터 2015년까지 3년간에 걸쳐 제주, 익산, 청원, 예산, 강진, 대구 및 진주 등 7개 지역에서 지역적응시험을 실시하였다. 그 결과 '익산47호'는 기존품종에 비해 출수가 빠르고, 도복과 습해 등 내재해성이 강하며, 종실 생산성이 우수하여 2015년 8월 농촌진흥청 농작물 직무육성 신품종선정위원회에서 직무육성품종으로 결정되었고, 품종명이 '신성'으로 명명되었으며, 그 특성은 다음과 같다. 신품종 '신성'은 담녹색 잎, 황색 줄기, 갈색의 종실을 가졌다. 출수기가 전국 평균 4월 24일로 표준품종인 '신영' 보다 3일 빨랐다. '신성'은 '신영'과 대등하게 한해와 도복에 강하였으며, 습해, 흰가루병 및 잎녹병 등에 저항성이었다. 건물수량은 ha당 평균 15톤으로 15.5톤인 '신영'에 비해 3% 낮았다. '신성'은 '신영'에 비해 조단백질 함량이 6.7%로 높았으며, NDF, ADF 및 TDN도 각각 34.6%, 58.6%, 61.6%으로 '신영'과 대등한 수준이었다. '신성'은 '신영'에 비해 1수립수, $m^2$당 수수가 많고 $1{\ell}$중이 무거워 종실수량이 ha당 7.2톤으로 '신영'의 5.8톤 보다 25%가 많았다. 적응지역은 1월 최저평균기온이 $-10^{\circ}C$ 이상인 지역이면 전국 어느 곳에서나 재배가 가능하다. 'Shinseong', a winter forage triticale cultivar (X Triticosecale Wittmack), was developed at the Department of Rice and Winter Cereal Crop, NICS, RDA in 2015. The cultivar 'Shinseong' was selected from the cross RONDO/2$^*$ERIZO_11//KISSA_4/3/ASNO/ARDI_3//ERIZO_7 by CIMMYT (Mexico) in 1998. Subsequent generations were handled in pedigree selection programs at Mexico from 1999 to 2004, and a line 'CTSS98Y00019S-0MXI-B-3-3-5' was selected for earliness and good agronomic characteristics. After preliminary and advance yield testing in Korea for 3 years, the line was designated 'Iksan47'. The line was subsequently evaluated for earliness and forage yield in seven locations, Jeju, Iksan, Cheongwon, Yesan, Gangjin, Daegu, and Jinju from 2013 to 2015 and was finally named 'Shinseong'. Cultivar 'Shinseong' has the characteristics of light green leaves, yellow culm and spike, and a medium grain of brown color. The heading date of cultivar 'Shinseong' was April 24 which was 3 days earlier than that of check cultivar 'Shinyoung'. The tolerance or resistance to lodging, wet injury, powdery mildew, and leaf rust of 'Shinseong' were similar to those of the check cultivar. The average forage dry matter yield of cultivar 'Shinseong' at milk-ripe stages was $15MT\;ha^{-1}$, which was 3% lower than that ($15.5MT\;ha^{-1}$) of the check cultivar 'Shinyoung'. The silage quality of 'Shinseong' (6.7%) was higher than that of the check cultivar 'Shinyoung' (5.9%) in crude protein content, while was similar to the check cultivar 'Shinyoung' in acid detergent fiber (34.6%), neutral detergent fiber (58.6%), and total digestible nutrients (61.6%). It showed grain yield of $7.2MT\;ha^{-1}$ which was 25% higher than that of the check cultivar 'Shinyoung' ($5.8MT\;ha^{-1}$). This cultivar is recommended for fall sowing forage crops in areas in which average daily minimum mean temperatures in January are higher than $-10^{\circ}C$.
이지윤(Ji Yun Lee),손창기(Chang Ki Son),배정숙(Jeong Suk Bae),조현태(Hyeon Tae Cho),최홍집(Hong Jib Choi),이정동(Jeong-Dong Lee),조현(Hyun Jo) 한국육종학회 2022 한국육종학회지 Vol.54 No.4
A black soybean cultivar, “Saebaram” with green cotyledons, was developed and released by the Gyeongsangbuk-do Agricultural Research and Extension Services (GBARS) in 2019. It was developed from a single cross between “Seonheuk” and “RCS640” in 2011. The preliminary yield trial and advanced yield trial were conducted at GBARS from 2015 to 2016. The regional yield trial (RYT) was conducted in seven locations from 2017 to 2019 in Korea. “Saebaram” had purple flowers, grey pubescence, light brown pods, a black seed coat, an ellipse seed shape, and a large seed size (42.8 g/100 seeds). The seed size was significantly larger than that of the check cultivar “Cheongja 3” (36.2 g/100 seeds). Moreover, it was moderately resistant to bacterial pustule (caused by Xanthomonas axonopodis pv. glycines) and soybean mosaic virus (strain G6H). “Saebaram” had dark green cotyledons, whereas “Cheongja 3” had light green cotyledons. The total chlorophyll contents (chlorophyll a and chlorophyll b) in the green cotyledons of “Saebaram” and “Cheongja 3” were 76.1 μg/g and 30.1 μg/g, respectively. Furthermore, the RYT showed that “Saebaram” had 287 kg/10a, which was 10% higher than that of “Cheongja 3” (261 kg/10a). This black soybean cultivar with improved yield, large-size seeds, and dark green cotyledons is expected to have a high commercial value for Korean farmers (Registration No. 9155).
이지윤(Ji Yun Lee),손창기(Chang Ki Son),배정숙(Jeong Suk Bae),조현태(Hyeon Tae Cho),최홍집(Hong Jib Choi),이정동(Jeong-Dong Lee),조현(Hyun Jo) 한국육종학회 2022 한국육종학회지 Vol.54 No.4
A black soybean cultivar ‘Gyeongheukcheong’ was developed by Gyeongsangbuk-do Agricultural Research and Extension Services. ‘Gyeongheukcheong’ was selected from a cross between ‘RCS640’ and ‘Geomjeongsaeol’ in 2011. The cultivar was evaluated in multiple performance and yield trials in seven locations from 2017 to 2019. ‘Gyeongheukcheong’ has a gray pubescence, light brown pod, and dark green cotyledon, whereas ‘Cheongja 3’ has a brown pubescence, brown pod, and light green cotyledon. The seed weight and maturity of ‘Gyeongheukcheong’ was similar to that of ‘Chungja 3’. ‘Gyeongheukcheong’ was resistant to soybean mosaic virus (strain G6H), moderately resistant to bacterial pustule (caused by Xanthomonas axonopodis pv. glycines), and resistant to root rot. Total chlorophyll content (sum of chlorophyll a and b) in the green cotyledon of ‘Gyeongheukcheong’ was 48.0 μg/g, which was higher than that of ‘Cheongja 3’ (30.1 μg/g). The regional yield trial showed that ‘Gyeongheukcheong’ had a similar or significantly higher average yield than ‘Chungja 3’ in locations with single (similar) and double (19% higher) cropping systems, respectively. ‘Gyeongheukcheong’ represents a consumer-friendly black soybean with dark green cotyledons and high yield potential (Registration No. 9065).
이선영 ( Sun-young Lee ),이종연 ( Jong-yun Lee ),배정숙 ( Jeong-suk Bae ) 한국정보처리학회 2006 한국정보처리학회 학술대회논문집 Vol.13 No.1
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