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홍동술(Dongsool Hong),김호영(Hoyoung Kim),박완수(Wansoo Park),백인열(Inyoul Baek) 대한기계학회 2011 대한기계학회 춘추학술대회 Vol.2011 No.10
Digital Cameras are becoming increasingly compact and developing with high performances. However, the internal space for hear sink design in a camera becomes smaller due to the compact size. Also, as cameras are hand-held products, the surface temperature, an element for the emotional quality consumers feel, should meet the production standards, and the producers are making efforts to lower the temperature. Accordingly, the surface temperature of the camera case becomes important, so securing thermal technologies is needed to solve the problem regarding the lack of internal space and the quality appealing to customers emotionally. As a result of the simulation to lower the surface temperature of the case, adjusting thermal conductivity and radiation, the temperature decreased by 10 degrees Celsius under thermal conductive plastic case. The adjustment of radiation from the Main Frame hardly affected the result.
Rameswor Maharjan,Soondo Bae,Hwijong Yi,Youngnam Yoon,Yunwoo Jang,Inyoul Baek 한국응용곤충학회 2017 한국응용곤충학회 학술대회논문집 Vol.2017 No.10
The Azuki bean weevil, Callosobruchus chinensis L., is a common insect pest of stored products in the world. Radio-frequencydependent oviposition, development and adult performances of C. chinensis were examined at five radio-frequencies of0 (control), 5, 10, 20, and 30 kHz on azuki bean, cowpea, and mung bean seeds. The effects were studied on two successivegenerations of C. chinensis. The results showed that radio-frequency application have significant effects on the life variablesof C. chinensis. Radio-frequency exposures on three seed species not only impacted on developmental time, adult longevityand adult weight but negative effects were also transmitted to the successive generations. Longer developmental time andthe least adults of C. chinensis were emerged with shorter longevity in case of radio-frequency treatment than untreated.Decreasing the radio-frequency level further reduced the adult longevity and increased time for development of adults.The least adult emergence and short longevity was recorded for 5 kHz treatment. Radio-frequency treatments have alsoaffected on the adult performance such as weight of adult. The life variables of C. chinensis are discussed in terms oftargeting susceptibilities to radio-frequencies in storage as an alternative to chemical treatments.
녹색자엽 검정종피 내도복 다수성 콩 중간모본 “중모3009호”
한원영(Won-Young Han),김현태(Hyun-Tae Kim),고종민(Jong-Min Ko),윤홍태(Hong-Tae Yun),백인열(InYoul Baek),이병원(Byung-Won Lee),이영훈(Young-Hoon Lee),하태정(Tae-Jung Ha),신상욱(Sang-Ouk Shin),이석기(Suk-Ki Lee),정찬식(Chan-Sik Jung),최 한국육종학회 2016 한국육종학회지 Vol.48 No.1
A new soybean variety, ‘Joongmo 3009’ (Milyang 222) was developed at the National Institute of Crop Science (NICS) in 2012. ‘Joongmo 3009’ was released by pedigree selection from the cross between ‘Cheongja 2(Milyang 121)’ and ‘Daemangkong’. It has determinate growth habit, white flower, brown pubescence, brown pod color, green seed coat, green cotyledon, spherical seed shape, oval leaf shape and large seed size (29.3 grams per 100 seeds). It was late 16 days in maturing date than the check cultivar ‘Cheongjakong’. The average yield of ‘Joongmo 3009’ was 2.91 ton per hectare, which was higher 36 percentage than the check variety, in the regional yield trials carried out in three adaptable locations of Korea from 2010 to 2012. The number of breeder’s right is ‘5474’
콩에서 발생하는 강낭콩일반모자이크바이러스(BCMV)와 땅콩위축바이러스(PSV)의 저항성 평가
이영훈, 윤영남, 강범규, 김현영, 최만수, 구성철, 김현태, 윤홍태, 이수헌, 백인열 忠北大學校 農業科學硏究所 2014 農業科學硏究 Vol.30 No.2
It has been reported several viral diseases in soybean. The occurrence of Bean common mosaic virus and Peanut stunt virus are able to induce severe problem because the main breeding target for viral disease was focused on Soybean mosaic virus. BCMV is a spcies of the genus Potyvirus of the family Potyviridae. BCMV reduces yield by as much as 80% and also adversely affects seed quality in common bean. BCMV has a worldwide distribution because of its high rates 35% of transmission via seeds produced by plants systemically infected prior to bloom. PSV is a species of the genus Cucumovirus of the family Bromoviridae. PSV has been reported to be economically damaging on beans worldwide. Although the virus is reportedly seed transmissible at very low rates, infected plants rarely produce pods with normal viable seeds. The most satisfactory management method of viral diseases such as BCMV and PSV is the use of resistant cultivars and healthy seed. For the overcome of genetic resistance by new virus such as BCMV and PSV, virus diseases monitoring and researches need to study deeply and continually. In this study, we conducted the resistance screen on BCMV and PSV for selection of resistance cultivars. We inoculated on 128 cultivars with PSV and BCMV respectively. These cultivars were classified through pathogenic response such as resistance, necrosis and susceptibility. In addition, 99 and 66 resistant cultivars were confirmed against PSV and BCMV respectively.
Performance of Korean Soybean Varieties in Indonesia
( Heru Kuswantoro ),( Sutrisno ),( Won Young Han ),( Poong Yeon Lee ),( Yang Hee Cho ),( And Inyoul Baek ) 한국국제농업개발학회 2014 韓國國際農業開發學會誌 Vol.26 No.2
Expression of new germplasm is very important in breeding program because the characters are the reflection of the genes and the environment. The objective of this study is to evaluate the expression of agronomic characters of 20 Korean soybean varieties in Indonesia. The experiment was conducted at greenhouse of the Indonesian Legumes and Tuber Crops Research Institute in Malang during May to August 2012. The materials were consisted of 20 Korean soybean varieties, and four Indonesian soybean varieties as check. The experimental design was randomized completely block with three replications. Result showed that there were significant differences among germplasm for the characters of days to flowering, days to maturity, plant height, number of branches per plant, number of reproductive nodes per plant, number of filled pods per plant, number of seeds per plant, seed yield per plant, and 100-seed weight, but there were no differences on number of unfilled pods per plant. Usually, all of Korean varieties have shorter plant height than the Indonesian soybean varieties. Based on seed yield per plant, the best perfomance were showed by Daewonkong, Detam 1, Jangmikong, and Songhakkong, i.e. 12.8 g, 11.6 g, 11.4 g, and 11.3 g per plant respectively. The seed yields of these varieties were higher than the Indonesian popular variety of Anjasmoro (8.8 g).
RT-LAMP를 이용한 콩황화일반모자이크바이러스의 진단
배대현, 이영훈, 김봉섭, 윤영남, 강범규, 최만수, 구성철, 김현태, 윤홍태, 이수헌, 백인열 忠北大學校 農業科學硏究所 2014 農業科學硏究 Vol.30 No.2
Soybean yellow common mosaic virus (SYCMV) has been recently reported, it has been occurred a lot with Soybean mosaic virus (SMV) and Soybean yellow mottle mosaic virus (SYMMV) in soybean field. SYCMV belongs to genus of Sobemovirus and induced viral symptoms with yellowing, mottle and mosaic. A reverse transcription loop-mediated isothermal amplification (RT-LAMP) method allowed one-step detection of gene amplification by simple procedure and needed only a simple incubator for isothermal template. This RT-LAMP method allowed direct detection of RNA from virus-infected plants without thermal cycling and gel electrophoresis. In this study, we designed RT-LAMP primers named SYCML-F3/B3/FIP/BIP from coat protein gene sequence of SYCMV. After the reaction of RTLAMP, products were identified by electrophoresis and with the detective fluorescent dye, SYBR Green I. under daylight and UV light. Optimal reaction condition was at 63 for 60min and the primers of RTLAMP showed the specificity for only SYCMV tested in this study.
Distribution aspects of organisms by NGS analysis in soybean breeding field
Yeong-Hoon Lee,Dae-Hyeon Bae,Young-Nam Yoon,Man-Soo Choi,Hyun-Young Kim,Beom-Kyu Kang,Hyun-Tae Kim,Hong-Tae Yun,Su-Heon Lee,Jea-Sun Moon,InYoul Baek 한국육종학회 2014 한국육종학회 심포지엄 Vol.2014 No.07
Generally, the virus was detected by the ELISA using the serological method and RT-PCR based on the genetic information. Recently, NGS (next-generation nucleotide sequencing) has been used in genome analysis and diseases diagnostics. To identify distribution aspects of viruses, we collected diseased samples twice in soybean breeding field. After extraction of total RNA from the collected bulk samples, RNA was sequenced by the NGS method. The NGS data were analyzed using the bioinformatics software. With newly produced NGS data, the identification of distribution aspects of organisms in field was estimated in this study. Sequence based identification method should be more accurate diagnostic tools of the target diseases and be able to predict occurrence of potential and new pathogens. NGS method will also provide the basic data by identifying the distribution of using bacteria. In this study, we analyzed the extracted RNA from the collection of approximately 3000 samples. Consequently, we confirmed the following types: the 7,089 kinds of bacteria including Burkholderiaceae, the 13,397 kinds of Eukaryota, the 952 kinds of viruses from the first bulk samples, the 4,160 kinds of bacteria including Burkholderiaceae, the 10,475 kinds of Eukaryota, and the 576 kinds of viruses from the second bulk samples
Detection of Soybean mosaic virus by RT-LAMP
Dae-Hyeon Bae,Yeong-Hoon Lee,Bong-Sub Kim,Young-Nam Yoon,Man-Soo Choi,Hyun-Young Kim,Beom-Kyu Kang,Hyun-Tae Kim,Hong-Tae Yun,Su-Heon Lee,InYoul Baek 한국육종학회 2014 한국육종학회 심포지엄 Vol.2014 No.07
Soybean mosaic virus (SMV) is a prevalent pathogen that causes significant yield reduction in soybean production worldwide. SMV belongs to potyvirus and causes typical symptoms such as mild mosaic, mosaic and lethal necrosis. SMV is seed-borne and also transmitted by aphid. Eleven SMV strains, G1 to G7, G5H, G6H, G7H, and G7a were reported in soybean varieties in Korea. A reverse transcription loop-mediated isothermal amplification (RT-LAMP) method allowed one-step detection of gene amplification by simple procedure and needed only a simple incubator for isothermal template. This RT-LAMP method allowed direct detection of RNA from virus-infected plants without thermal cycling and gel electrophoresis. In this study, we designed RT-LAMP primers named SML-F3/B3/FIP/BIP from coat protein gene sequence of SMV. After the reaction of RT-LAMP, products were identified by electrophoresis and with the detective fluorescent dye, SYBR Green I. under daylight and UV light. Opmtimal reaction condition was at 58℃ for 60min and the primers of RT-LAMP showed the specificity for nine SMV strains tested in this study.