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KOREAN JOURNAL OF BREEDING SCIENCE

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Korean Journal of Breeding Science: 2021 Editorial Board
Korean Journal of Breeding Science: 2021 Editorial Board
Soon-Wook Kwon
KOREAN JOURNAL OF BREEDING SCIENCE Vol.53 NO.4/ 2021
1-1 (1 pages)
자연과학>생활/식품과학
Korean Journal of Breeding Science
Korean Journal of Breeding Science
Soon-Wook Kwon
KOREAN JOURNAL OF BREEDING SCIENCE Vol.53 NO.4/ 2021
1-1 (1 pages)
자연과학>생활/식품과학
한국육종학회지 Vol.53 No.4 목차
한국육종학회지 Vol.53 No.4 목차
편집부
KOREAN JOURNAL OF BREEDING SCIENCE Vol.53 NO.4/ 2021
1-4 (4 pages)
자연과학>생활/식품과학
유전자교정 기반 신육종기술의 글로벌 특허동향
Global Patent Trends in New Breeding Technology for Crop Improvement
고세리(Serry Koh),최유리(Youri Choi),이주영(Joo Young Lee),장지영(Jiyoung Jang),최규환(Kyuwhan Choi)
KOREAN JOURNAL OF BREEDING SCIENCE Vol.53 NO.4/ 2021
337-354 (18 pages)
자연과학>생활/식품과학
Abstract
New Breeding Technology (NBT) refers to gene editing technologies that are used to develop crop plants with beneficial traits,from biotic/abiotic resistance to nutritional enhancement, including zinc finger nucleases (ZFN), transcription activator-like effector nucleases,clustered regularly interspaced short palindromic repeats (CRISPR)/CRISPR-associated protein 9, meganucleases, and oligo directed mutagenesis. A total of 1,119 valid NBT patents were analyzed in this study to examine global trends in the patent and market expansion strategies formajor patent applicants. Based on the claims specified, valid patents in each patent office were analyzed through the applicant’s country oforigin, field of technology, and plant/crop species. Patents claiming applications of CRISPR-based technology to major crop plants, includingrice, corn, wheat, tomato, and canola, have rapidly increased in the China National Intellectual Property Administration (CNIPA) since 2013. The patent family size (PFS) can be used as an indicator of intellectual property (IP)-based market expansion strategies and target marketsof interests of patent applicants. Many university- and research-oriented institution Chinese applicants showed low PFS (2.1) because theyfiled patents mostly in CNIPA. In contrast, high PFS of US and German (DE) applicants such as Corteva Agriscience (US), KWS SAATAG (DE), Cellectics (FR), and Syngenta Participations AG (CH) represented their active strategies for global gene-edited crop market expansion. Corteva Agriscience (US, 238 patents) was the global leader in patents using NBT, ranging from ZFN to CRISPR-based technologies appliedto most major crops, including corn, soybean, and wheat.
복숭아 NGS 분석에 의한 다형성 SSR 마커 개발과 활용
Anticipated Polymorphic SSRs and Their Application Based on Next Generation Sequencing of Prunus Persica
김정선(Jung Sun Kim),구윤숙(Yoon Suk Ku),박신기(Sin-Gi Park),김세희(Se Hee Kim),박현우(Hyun Woo Park),원소윤(So Youn Won)
KOREAN JOURNAL OF BREEDING SCIENCE Vol.53 NO.4/ 2021
350-372 (23 pages)
자연과학>생활/식품과학
Abstract
Prunus persica “Mihong” cultivar is a domesticated white peach that was generated from the crossing between “Yumyeong” and“Chiyomaru” cultivars in the Republic of Korea in 1995. We launched “Mihong” genome sequencing in 2018 and “Mihong” reached to 200scaffold and 241 Mb sequences using long-read sequencing and Hi-C technology. F1 populations of ”Kawanakajima Hakuto,” “Mihong,”“Changhowon Hwangdo,” and “Yumi” were developed in NIHHS. These four cultivars were sequenced and assembled using the SOAPdenovoversion 2.04. First, we surveyed the SSRs in “Mihong” assembly sequences and extracted the ±300 bp flanking sequences containing SSRs. Second, the assembly sequences of three cultivars were aligned and mapped against “Mihong” ±300 bp flanking sequences using BLASTn(version 2.2.29+). We anticipated the differential length in SSRs among the four cultivars. We sorted the primers with a standard deviationover 4.5 (STEV > 4.5) among the four cultivars. In addition, we surveyed the primers having difference in over 10 bp with “KawanakajimaHakuto” and “Mihong” for polymorphic markers in the mapping population. All primer pairs were designed to generate amplicons of 150-200bp in coating SSR regions using primer3 (version 3-2.2.3). We selected 260 SSR markers with a physical distance of average per 1 Mb. These SSR markers accounted for 74% polymorphism in the four genotypes. Finally, a F1 population of “Kawanakajima Hakuto” and “Mihong”covered 884.5 cM with 465 SNPs and 86 SSRs and this genetic map matched correctly to the HI-C pseudomolecule of P. persica.
Waxy 유전자 좌위 분자마커를 이용한 아밀로스 함량별 벼 품종 분류
Classification of Korean Rice Cultivars through Amylose Content Using Molecular Markers Targeting the Waxy Locus
이소명(So-Myeong Lee),권영호(Young-Ho Kwon),강주원(Ju-Won Kang),이지윤(Ji-Yoon Lee),조수민(Sumin Jo),신동진(Dongjin Shin),차진경(Jin-Kyung Cha),박동수(Dong-Soo Park),조준현(Jun-Hyeon Cho),이종희(Jong-Hee Lee)
KOREAN JOURNAL OF BREEDING SCIENCE Vol.53 NO.4/ 2021
361-372 (12 pages)
자연과학>생활/식품과학
Abstract
A total of 285 Korean rice cultivars were used for amylose content and genetic analyses using KASP markers related to the amylosecontent. We used three polymorphic KASP markers targeting the Waxy (Wx) gene and compared the genotyping efficiency with previouslyreported molecular markers. The rice cultivars were raised in Miryang, Korea, for one period. Genetic analysis of the rice cultivars revealedthat the three KASP markers on the Wx gene were functional for genomic selection of SNPs related to amylose content variation. Therefore,the three KASP markers targeting different Wx alleles can be used for genomic selection. In addition, KASP markers were more efficientthan previously reported molecular markers that target the same alleles. These findings can be beneficial for the breeding and genomic selectionof high-quality rice in Korea.
배 ‘만풍배’와 ‘대원홍’ 종간 교배 후대에서 주요 과실 형질 유전 분석
Genetic Analysis of Fruit Traits in Interspecific Hybrids Derived from a Cross between ‘Manpungbae’ and ‘Oharabeni’ Pear (Pyrus spp.)
김금선(Keumsun Kim),정해원(Haewon Jung),김윤경(Yoon-Kyeong Kim),강아랑(Ahrang Kang),신일섭(Il Sheob Shin)
KOREAN JOURNAL OF BREEDING SCIENCE Vol.53 NO.4/ 2021
373-379 (7 pages)
자연과학>생활/식품과학
Abstract
Interspecific hybridization is a valuable approach to generate genetic variation and to introgress desirable genes. The objective ofthe current study was to estimate the heritability and correlation coefficient of several fruit traits for three years (from 2016 to 2018) usinga set of 178 interspecific F1 populations developed from a cross between ‘Manpungbae’ (Pyrus pyrifolia) and ‘Oharabeni’ (P. pyrifolia × P. communis). For ‘Manpungbae’, the average values of fruit weight, length, diameter, fruit shape index, and soluble sugar content for the threeyears were 967.8 g, 109.0 mm, 125.7 mm, 0.87, and 13.4 °Brix, respectively. The average values for ‘Oharabeni’ were 268.2 g, 75.2 mm, 81.4mm, 0.93, and 9.9 °Brix, respectively. The average values and heritability for three years in F1 progenies were 222.0 g and 85.55%, 67.3mm and 84.14%, 75.4 mm and 81.18%, 0.89 and 79.33%, and 10.7 °Brix and 77.75%, respectively. Among the five fruit traits we surveyed,the Pearson’s correlation coefficients between three traits (weight, length, and diameter) were highly significantly positive (over 0.8) for thethree years.
다양한 비생물적 스트레스에 의해 유도되는 RsMYB1 프로모터의 특성분석
Characterization of the RsMYB1 Promoter Induced by Various Abiotic Stresses
김다혜(Da-Hye Kim),양주희(Ju-Hee Yang),이주희(JuHee Rhee),이종렬(Jong-Yeol Lee),임선형(Sun-Hyung Lim)
KOREAN JOURNAL OF BREEDING SCIENCE Vol.53 NO.4/ 2021
380-391 (12 pages)
자연과학>생활/식품과학
Abstract
Plants grown under stress conditions generate excessive reactive oxygen species resulting in cell death. Therefore, plants activatethe protection mechanism via antioxidant accumulation. Anthocyanins are flavonoid-derived secondary metabolites with high antioxidantproperties. In this study, we analyzed and characterized the promoter region of RsMYB1, a positive regulator of anthocyanin biosynthesis. The RsMYB1 promoter was designed with four different fragment lengths (MP1, -1034; MP2, -830; MP3, -633; and MP4, -430 bp), andthen each RsMYB1 promoter region was fused into a GUS gene for Arabidopsis transformation. The expression patterns of the RsMYB1 promoterconstructs were analyzed at different developmental stages and under various abiotic stresses. The GUS expression pattern steadily increasedwith plant growth, and coincided with enzyme activity and a histochemical GUS assay. In response to drought, salt, sucrose, and low temperature,the GUS transcript level was highly expressed in MP4 in parallel with GUS enzyme activity. These assays indicated that the proximal region(-430 to -1 bp) of RsMYB1 was the core sequence that was induced by salt and low temperature. The expression level of RsMYB1 in theleaves of radish was highly activated and was consistent with the anthocyanin content under salt and low temperature conditions. These resultssuggest that induction of the RsMYB1 gene can activate the biosynthesis of anthocyanins, which are expected to help plants adapt to stressconditions due to their antioxidant activity.
저항성 유전자 도입과 벼 후대계통의 열악형질간의 관계분석
Effect of Resistance Genes on the Occurrence of Rice Undesirable Characters in a Wide Cross
이창민(Chang-Min Lee),박현수(Hyun-Su Park),백만기(Man-Kee Baek),서정필(Jung-Pil Suh),정오영(O-Young Jeong),윤성중(Song-Joong Yun),김석만(and Suk-Man Kim)
KOREAN JOURNAL OF BREEDING SCIENCE Vol.53 NO.4/ 2021
392-404 (13 pages)
자연과학>생활/식품과학
Abstract
Interspecific and intersubspecific crosses have been an important strategy for rice breeding programs to obtain useful charactersby expanding genetic diversity. However, the wide cross routinely causes undesirable characters in rice, such as spikelet sterility and poorquality. In this study, we developed near-isogenic lines of R-gene (Xa4+xa5+Xa21+Pi40+Bph18) introgression population to investigate thegenetic relationship between the occurrence of poor characters and R-genes induced by MAS. The ANOVA analysis revealed that Pi40, Bph18,and Xa4 were associated with spikelet fertility (SF), ratio of ripened grain (RRG), third internode length (TIL), panicle extraction (PE), andprotein content (Pro), whereas others showed no association with the 14 traits tested. In the three-way ANOVA, the impact of two R-genes(Pi40 and Bph18) on the poor characters was independent, with no interaction with others. Quantitative trait locus (QTL) analysis identifiedQTLs for PE and TIL traits near Pi40, and in particular, QTLs for five traits (SF, RRG, TIL, PE, and Pro) were negatively affected aroundBph18. The occurrence of a poor character in R-gene pyramiding lines could be associated with linkage drag caused by the Bph18 gene. We speculate that the development of DNA markers that effectively eliminate poor characters will not only improve breeding efficiency usingMAS, but will also help improve traits of japonica rice through wide crossing.
멜론 덩굴쪼김병균(Fusarium oxysporum f. sp. melonis) race 2에 대한 멜론 유전자원 저항성 평가
Evaluation of Melon Germplasms Resistance to Fusarium oxysporum f. sp. melonis race 2
황애진(Aejin Hwang),노형준(Hyungjun Noh),허온숙(Onsook Hur),노나영(Nayoung Ro),이정윤(Jung-Yoon Yi),이재은(Jae-eun Lee),김빛샘(Bichsaem Kim),김지현(Ji Hyeon Kim)
KOREAN JOURNAL OF BREEDING SCIENCE Vol.53 NO.4/ 2021
404-410 (7 pages)
자연과학>생활/식품과학
Abstract
Fusarium wilt is a serious disease that causes damping-off, serious wilt symptoms, or death in melon. The aim of this study wasto evaluate the resistance of melon germplasm to Fusarium wilt and select promising disease-resistant accessions for further applications. Resistanceto Fusarium wilt was examined in 216 melon germplasms by the root-dipping inoculation method with Fusarium oxysporum f. sp. melonis fungalisolate KACC43206 (race 2). Inoculated seedlings were incubated for four weeks and assessed for disease symptoms using indices ranging fromindex 1 (no symptoms) to 5 (plant wither). A total of 34 accessions showed a disease index < 2.0. Disease indices of 10 accessions were 1.0four weeks after inoculation. The resistant accessions of melon are expected to help in breeding commercial varieties with Fusarium wilt resistance.
한국 재래종 콩 유전자원의 이소플라본 함량과 수량관련형질에 대한 연차간 비교
Yearly Variation of Isoflavone Composition and Yield-Related Traits of 35 Korean Soybean Germplasm
윤혜명(Hyemyeong Yoon),이정윤(Jungyoon Yi),케베데 타예 데스타(Kebede taye Desta),신명재(Myong-Jae Shin),이윤정(Yoonjung Lee),이수경(Sukyeung Lee),왕샤오한(Xiaohan Wang),최유미(Yu-Mi Choi),이성우(Sungwoo Lee)
KOREAN JOURNAL OF BREEDING SCIENCE Vol.53 NO.4/ 2021
411-427 (17 pages)
자연과학>생활/식품과학
Abstract
In this study, composition and agronomic traits, including yield-related traits, were investigated and compared among 35 Korean landracegermplasm for two years (2019 and 2020). The contents of 12 isoflavones were measured using high-performance liquid chromatography, and agronomictrait data were collected according to the Rural Development Administration criteria. Comparing isoflavone composition between the two years,all isoflavones, except glycitein, were generally higher in 2019. The values of yield-related and major agronomic traits decreased in most accessionsin 2020. ANOVA showed highly significant differences (p<0.001) in genotypes, years, and genotype-by-year interaction for all isoflavones, the numberof pods per plant, and 100-seed weight. The number of seeds per pod, days to flowering, and days to maturity also showed significant differencesamong genotypes, as well as between the two years. Correlation analysis revealed that daidzin and genistin were positively correlated with theirmalonylated form. Malonyl daidzin was also positively correlated with malonyl genistin levels. The accessions with the least variation in the totalisoflavone content were IT 153844 (907.5 μg/g, 898.6 μg/g) and IT 252252 (663.2 μg/g, 636.4 μg/g). Some of the evaluated landraces will bea promising genetic source for developing soybean varieties with high levels of environmental stability in isoflavone content and agronomic traits.
한국 재래종 벼 유묘기 뿌리 발달 전장유전체연관분석
Genome-Wide Association Study of Root Development at the Seedling Stage in Korean Landrace Rice
서정환(Jeonghwan Seo),장홍지아(Hongjia Zhang),이아림(Ah-Rim Lee),이원도(Wondo Lee),조유현(Yoo-Hyun Cho),권순욱(Soon-Wook Kwon),이주현(Joohyun Lee)
KOREAN JOURNAL OF BREEDING SCIENCE Vol.53 NO.4/ 2021
424-431 (8 pages)
자연과학>생활/식품과학
Abstract
Root development at the seedling stage is an important trait for the early growth of rice. In this study, the root length and weightof 211 Korean landrace rice at the seedling stage were evaluated, and the average root length and weight were 6.94 cm and 48.18 mg, respectively. Principal component analysis (PCA) of 211 accessions based on 70,849 SNPs presented three subgroups. Two quantitative trait loci (QTLs)associated with root length were detected on chromosomes 3 and 6 using genome-wide association study (GWAS). Four haplotypes wereidentified using associated SNPs for the two root length QTLs. The average root length of Hap2 and Hap 3 was 7.32 cm and 6.56 cm,respectively, and were significantly different. Gene expression analysis in the candidate regions of QTLs for root length at the seedling stageshowed that several genes were expressed in the root. QTLs associated with root length at the seedling stage identified in this study maybe applied to improve the root length trait and detect candidate genes.
Fluidigm 시스템을 이용한 고추 유전자원의 주요병 유전형 평가
Evaluation of Genotypes for Major Diseases of Pepper Genetic Resources Using the Fluidigm System
금보라(Bora Geum),노나영(Na Young Ro),허온숙(On sook Hur),왕샤오한(Xiaohan Wang),최유미(Yu-Mi Choi),고호철(Hocheol Ko),이수경(Sukyeung Lee)
KOREAN JOURNAL OF BREEDING SCIENCE Vol.53 NO.4/ 2021
432-449 (18 pages)
자연과학>생활/식품과학
Abstract
In this study, genotype analysis was conducted using the Fluidigm system with 13 SNP markers related to anthracnose, powderymildew, phytophthora root rot, cucumber mosaic virus (CMV), potyvirus, and tobacco mosaic virus (TMV) resistance. A total of 25,350 datapoints were obtained, 8.2% of which indicated resistance genotypes. Resources having perfect resistance genotype to each disease-related molecularmarker set were 58 accessions for anthracnose, 57 for powdery mildew, 246 for phytophthora root rot, and 765 for CMV. There was no resourcehaving a perfect resistance genotype of all three potyvirus-related molecular SNP markers including pvr1, pvr2 (123457), and pvr2 (689). Thirty-sevenaccessions for pvr1, 349 accessions for pvr2 (123457), and 23 accessions for pvr2 (689) were identified as resources with resistance genotype. No resource with the TMV-resistance genotype was found in this study. The resources with complex resistance genotypes of anthracnose and powderymildew were 55 accessions, and they were mainly Capsicum baccatum. Among these, seven accessions had a three-disease combined resistancegenotype with phytophthora root rot. Thirty-six accessions, 16 accessions, and nine accessions each had resistance genotypes of the three potyvirus-relatedmarkers. These resources also had CMV and phytophthora root rot resistance genotypes, and they were mainly Capsicum chinense. The statisticalanalysis considering the evaluated resistance genotypes, revealed that the anthracnose resistance genotype showed a tendency to be linked withpowdery mildew resistance genotype. The potyvirus-related marker pvr1 was positively correlated with Phytophthora root rot markers.
작물 표현체 플랫폼 기반 벼 이미지 분석 조건 확립
Determination of the Conditions for Image Analysis of Rice Based on a Crop Phenomic Platform
이채원(Chaewon Lee),최인찬(Inchan Choi),이홍석(Hongseok Lee),김년희(Nyunhee Kim),안은숙(Eunsook An),김송림(Song Lim Kim),백정호(Jeongho Baek),지현소(Hyeonso Ji),윤인선(In-Sun Yoon),김경환(Kyung-Hwan Kim)
KOREAN JOURNAL OF BREEDING SCIENCE Vol.53 NO.4/ 2021
450-457 (8 pages)
자연과학>생활/식품과학
Abstract
Fast and accurate selection is essential for breeding to cope with rapid climate changes and a steeply increasing population. Consequently, technologies for high-throughput phenotyping (HTP) are emerging. These technologies, unlike conventional phenotyping methods,enable us to evaluate agronomic traits in a fast and massive manner. Thus, the HTP facility was built to acquire and analyze crop imagesusing RGB sensors at the National Institute of Agricultural Sciences, Republic of Korea. By testing various conditions to acquire images,we determined the conditions for phenotyping using the RGB sensor as follows: exposure 30,000 ms, gamma 75, and gain 100 using LEDlights in a blue background. Based on this condition, images from 96 individual plants of rice Dongjin cultivar were obtained every weekto measure plant height and shoot area, which are directly associated with yield. The results obtained from the image analysis were comparedwith the manually collected results. The r2 value between the projected plant height obtained from image analysis and the plant height obtainedfrom manual measurement was 0.989. Furthermore, the r2 value between the projected shoot area obtained from image analysis and the shootarea obtained from manual measurement was 0.981. These results show that image analysis is highly reliable and can be used for crop phenotyping. Therefore, we expect that the new method we developed will be used for breeding in the near future.
저온에서 녹기연장의 한국잔디 ‘한라그린 7’ 품종 개발
Development of ‘Halla Green 7’: A Zoysiagrass Cultivar with Greening Period Extending Phenotype at Lower Temperatures
양대화(Dae-Hwa Yang),선현진(Hyeon-Jin Sun),정옥철(Ok-Cheol Jeong),강홍규(Hong-Gyu Kang),송인자(In-Ja Song),진일두(Il-Doo Jin),강시용(Si-Yong Kang),이효연(Hyo-Yeon Lee)
KOREAN JOURNAL OF BREEDING SCIENCE Vol.53 NO.4/ 2021
458-466 (9 pages)
자연과학>생활/식품과학
Abstract
The ‘Halla Green 7’ cultivar is a hybrid of Zoysia matrella and Zoysia japonica. The inflorescences of Z. matrella lines werecollected from Jeju Island near the border between Z. matrella and Z. japonica wild plants, respectively. After their harvest, the seeds weresown and various interspecific lines were obtained. In 2021, a line with greening period extending phenotype during the low temperaturesof winter was registered under the cultivar name of ‘Halla Green 7’ (Registration No. 245). The main morphological characteristics of the‘Halla Green 7’ variety are as follows: genetically short length of plant (12.2±0.58 cm), very wide angle of leaf (68.6°), short length ofleaf blade (8.38±0.37 cm), medium-leaf (3.29±0.09 mm), and very low leaf sheath (2.18±0.19 cm). The short length of leaf sheath makesit easy to manage the turf grass with low height. A very wide leaf angle has a high photosynthetic efficiency. The ‘Halla Green 7’ cultivaris morphologically classified as Z. matrella × Z. japonica hybrid line by medium-width of leaf blade and the presence of trichomes on theleaf surface. The colors of the leaf blade, leaf sheath, and stolon are green, light green, and light purple, respectively. During the low temperatureperiod of winter, chlorophyll content of the leaves of ‘Halla Green 7’ shows a 10.1-fold from that of the control Z. japonia ‘Yaji’ and about4.2-fold from that of the control Z. matrella Zm-6. This greening period extending phenotype is expected to contribute to the industrializationof zoysiagrass (Registration No. 245).
한국잔디 ‘한라그린 10’ 품종의 개발
Development of Cultivar ‘Halla Green 10’ in Zoysiagrass
양대화(Dae-Hwa Yang),정옥철(Ok-Cheol Jeong),선현진(Hyeon-Jin Sun),강홍규(Hong-Gyu Kang),진일두(Il-Doo Jin),이효연(Hyo-Yeon Lee)
KOREAN JOURNAL OF BREEDING SCIENCE Vol.53 NO.4/ 2021
467-474 (8 pages)
자연과학>생활/식품과학
Abstract
This superior zoysiagrass line was selected from the zoysiagrass genetic resources collected in the Republic of Korea. Inflorescencesof Zoysia matrella lines were collected near the border between wild Zoysia japonica and wild Z. matrella on Jeju Island. Various Z. matrella× Z. japonica lines were obtained using the seeds from the collected inflorescences. In 2021, one of the lines that extended the greeningperiod during the low temperatures of winter was registered under the name of ‘Halla Green 10’. The main morphological characteristicsof this cultivar, which were analyzed using the test guidelines of the Korea Forest Service, are as follows: short length of plant (12.01±0.57cm), short length of leaf blade (8.83±0.68 cm), and short length of leaf sheath (1.71±0.20 cm). The short length of leaf sheath makes iteasy to manage the turf grass with low height. Due to the presence of trichomes on the leaf surface and medium-leaf type (leaf blade width:3.0±0.16 mm), ‘Halla Green 10’ is morphologically classified as Z. matrella × Z. japonica. As the leaf angle is very wide at 77.7°, it hasa high photosynthetic efficiency. The colors of the leaf sheath, leaf blade, and stolon are light green, green, and light purple, respectively. In particular, during the low temperature period of winter, the chlorophyll content of the leaves of ‘Halla Green 10’ shows about 7.5-foldfrom that of the control Z. japonia ‘Yaji’ and about 3.2-fold increase from that of the control Zm-6. Extending the greening period phenotypeis expected to be commercially useful (Registration No. 246).
고온피해와 도복에 강하여 재배 안전성이 높은 인삼 품종 ‘선명’
‘Sunmyoung’: A Variety with High Production Stability Due to Its Resistance Against High Temperature and Lodging Stresses
이준수(Joon Soo Lee),김윤수(Yun Soo Kim),심성례(Sung Lye Shim),박철수(Chol Soo Park)
KOREAN JOURNAL OF BREEDING SCIENCE Vol.53 NO.4/ 2021
475-481 (7 pages)
자연과학>생활/식품과학
Abstract
‘Sunmyoung’ is a high-yielding variety that is resistant to damage from lodging and high temperatures. Out of the 30 lines collectedfrom a farmhouse in Yeoju in 2001, individual plants of ‘Sunmyoung’ were selected from a testing plot with artificial high-temperature stressand were further bred using the pure line separation breeding method. Preliminary and advanced yield trials were conducted in Suwon andYeoju from 2005-2013, and regional adaptability trials were conducted in Yeoju and Anseong from 2014-2016. The rates of high-temperaturestress for two- and three-year old ‘Sunmyoung’ were lower than those of the ‘Sunil’ variety by 46.2% and 34.1%, respectively. The lengthof the stem and small leaflets of Sunmyoung were 6.2 cm and 5.1 cm shorter than those of Sunil, and the width of the leaflets was shorterthan that of Sunil by 3.9 cm-indicating a higher resistance of ‘Sunmyoung’ against lodging damage. In the regional adaptability test, theyield of Sunmyoung was 523 kg/10a, which was 5% higher than that of ‘Sunil’ (498 kg/10a). The content of ginsenoside in ‘Sunmyoung’was 19.2 mg/g, which was lower than that of ‘Sunil’ (22.38 mg/g). Since ‘Sunmyoung’ is more resistant to high temperature stress (than‘Sunil’), lodging stress, Rhizoctonia solani, and Alternaria panax leaf spot, and has a decent production stability with higher yields, it isexpected to contribute towards the quality improvement of raw materials in ginseng production (Registration No. 7495).
내건 내서성 감자 ‘아리랑 2호’
Arirang-2’: A Potato Variety Tolerant to Drought and Heat Stress
박영은(Young-Eun Park),조지홍(Ji-Hong Cho),장동칠(Dong-Chil Chang),최장규(Jang-Kyu Choi),박현진(Hyun-Jin Park),서진희(Jin-Hee Seo),이규빈(Gyu-Bin Lee),임주성(Ju-Sung Im)
KOREAN JOURNAL OF BREEDING SCIENCE Vol.53 NO.4/ 2021
482-488 (7 pages)
자연과학>생활/식품과학
Abstract
In 2018, a new potato variety, ‘Arirang-2’, was released by the Highland Agriculture Research Institute in Pyeongchang, Korea. To create new varieties with better tuber formation at high temperature under long day, a cross was performed between high-temperaturetolerant ‘Eigenheimer’ and drought tolerant ‘Daegwan 1-116’ in 2011. The shoot (57.9 cm) of ‘Arirang-2’ was taller than ‘Superior’ and‘Sante’, and its tuber skin and flesh were red and light-yellow colored, respectively. Average number of tubers per plant of ‘Arirang-2’ was9.1 while ‘Superior’ and ‘Sante’ had 5.4 and 14.1 tubers, respectively. Average weight of tuber of ‘Arirang-2’ was 98.1 g, which was slightlyheavier than that of ‘Superior’ (90.0 g), and much heavier than that of ‘Sante’ (38.9 g). Total weight of tuber per plant of ‘Arirang-2’ was892 g, which was remarkably higher than that of ‘Superior’ (486 g) and ‘Sante’ (549 g). Total yield (TY) of ‘Arirang-2’ measured in Gangwon-Do,Korea was around 5,022 kg/10a while that of ‘Superior’ was 3,036 kg/10a. In Kazahstan, total yield of ‘Arirang-2’ was 4,657 kg/10a andthat of ‘Sante’ was 4,155 kg/10a. Marketable tuber yield (MTY) of ‘Arirang-2’ was 3,119 kg/10a in Gangwon-Do, Korea while that of ‘Superior’was only 2,147 kg/10a. In Kazahstan, MTY of ‘Arirang-2’ was 3,162 kg/10a, which was 60% higher than that of ‘Sante’ (1,974 kg/10a). ‘Arirang-2’ is resistant to early blight (Alternaria solani) and late blight (Phytophthora infestans) compared to ‘Superior’ and ‘Sante’, andit shows tolerance to drought or high temperature. ‘Arirang-2’ was approved as a new potato cultivar by The Korea Seed and Varieties Serviceon March 3, 2021 (Registration No. 8444).
담적색 종피색의 내도복 신품종 팥 ‘홍경’ 육성
An Adzuki Bean (Vigna Angularis) Cultivar ‘Honggyeong’ with Bright Red Seed-Cort Color and Resistance to Lodging Stress
송석보(SeokBo Song),최명은(MyeongEn Choe),추지호(JiHo Chu),김지영(JiYong Kim),이병원(ByongWon Lee),한상익(SangIk Han)
KOREAN JOURNAL OF BREEDING SCIENCE Vol.53 NO.4/ 2021
489-494 (6 pages)
자연과학>생활/식품과학
Abstract
In 2008, a new adzuki bean (Vigna angularis) cultivar, ‘Honggyeong’, was developed using artificial cross between ‘Milyang 7(SA9709-2B-8-2-4-4-1)’ and ‘SA0001’ at the National Institute of Crop Science, RDA, Korea. It was selected for further yield trials-named‘Miryang 36’. This cultivar was prominent and showed desirable agronomic traits, such as lodging tolerance, high yield, and high antioxidantactivity during the regional adaptation yield trials (RYT) from 2016-2018. ‘Honggyeong’ was finally released as a new cultivar in 2018 andits distinct phenotypic traits included a semi-determinate growth habit, yellow flowers, green embryonic axis, bright red seed-cort color, whitehilum, and large seeds (18.4 g per 100 seeds). The average yield of ‘Honggyeong’ was 2.06 MT/ha in the regional yield trials (RYT), whichwas slightly higher than that of the check cultivar (1.89 MT/ha), ‘Chungju’ (Registration No. 7934).
조생종 고품질 완전단감 ‘원추’ 육성
Breeding of Early Maturing and High-Quality Sweet Persimmon: ‘Wonchu’
마경복(Kyeong-Bok Ma),양상진(Sang-Jin Yang),조예슬(Ye-Seul Jo),조광식(Kwang-Sik Cho),강삼석(Sam-Seok Kang)
KOREAN JOURNAL OF BREEDING SCIENCE Vol.53 NO.4/ 2021
495-499 (5 pages)
자연과학>생활/식품과학
Abstract
In 2005, a new persimmon (Diospyros kaki L. Thunb.) cultivar ‘Wonchu’ was derived by crossing ‘Shinsyu’ and ‘Taishu’, and itwas finally selected in 2015. In the Yeoung-am province, the average maturing date of the fruit of this cultivar was October 3rd. The quantitativecharacteristics of the fruit of ‘Wonchu’ include a larger size (324 g on average) and presence of high soluble-solids (approximately 15.1 °Brix). The flesh of the fruit is juicy, has a crispy texture, and tastes good. The shape of the fruit is round oblate (when looked from the side),and the color of its skin is orange. Physiological disorders, such as fruit cracking or fine skin cracking, rarely occur (Registration No. 8579).
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