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KOREAN JOURNAL OF BREEDING SCIENCE

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벼줄무늬잎마름병 신규 저항성 보유 유전자원 탐색
Identification of Germplasm Harboring a Novel Gene Against Rice Stripe Virus Resistance
이샛별(Sais-Beul Lee),허연재(Yeon-Jae Hur),조준현(Jun-Hyun Cho),이지윤(Ji-Yoon Lee),권영호(Yeongho Kwon),조수민(Sumin Jo),신동진(Dongjin Shin),이종희(Jong-Hee Lee),김태헌(Tae- Heon Kim),강주원(Ju-Won Kang),박노봉(No-Bong Park),송유천(You-Cheon Song),고종민(Jong-Min Ko),박동수(Dong-Soo Park)
KOREAN JOURNAL OF BREEDING SCIENCE Vol.51 NO.4/ 2019
285-289 (5 pages)
자연과학>생활/식품과학
Abstract
Rice stripe virus (RSV) is one of the major constraints in rice production which is transmitted by the small brown plant hopper, Laodelphax striatellus. Identifying new resistance genes from diverse sources is important for rice breeding programs to enhance the resistance level and/or to overcome the breakdown of resistance genes. This study was conducted to identify novel sources of resistance against RSV. We used five RSV resistant varieties that do not harbor Stv-bi. The presence of known genes for RSV resistance was identified using the InDel7 marker for Stv-b i, two Indel (Sid primer set) markers for Stv-b, and DNA sequence analysis for OsSOT1. We revealed that two varieties, 02428 (IT236925) and Tung Ting Wan Hien 1, are novel RSV resistance sources.
Agrobacterium을 이용한 제초제 저항성 옥수수 형질전환체 생산
Production of Transgenic Maize Plants with Herbicide Resistance Through Agrobacterium-mediated Transformation
홍준기(Joon Ki Hong),이강섭(Gang-Seob Lee),박기진(Ki Jin Park),김주곤(Ju-Kon Kim),장희정(Hee Jeung Jang),서은정(Eun Jung Suh),김경환(Kyung-Hwan Kim),이연희(Yeon-Hee Lee)
KOREAN JOURNAL OF BREEDING SCIENCE Vol.51 NO.4/ 2019
290-297 (8 pages)
자연과학>생활/식품과학
Abstract
Maize is the most important grain crop in the world. Genetic engineering technology has been used to enhance its various agronomical traits. The transformation of maize is a crucial step in the application of gene technologies to improve maize. The choice of genotype and explant material influences the transformation efficiency and the production of stable transgenic plants. Immature embryos of Hi IIA were infected with Agrobacterium tumefaciens LBA4404 including superbinary vectors (bar and GUS or GFP genes). The transformation efficiency was based on transgenic calli induction from immature embryos on the selection medium with 3 mg/L bialaphos. The transformation efficiency varied from 1.01 to 2.74%. The integration and expression of bar, GUS, and GFP genes were confirmed in T0 and T1 generations of transgenic plants using genomic PCR and the bar strip test. In addition, herbicide resistance in T1 transgenic plants was observed when leaves and whole plants were treated with Basta. These results suggest that the successful Agrobacterium-mediated transformation of Hi IIA will improve further opportunities for functional genomic and genome editing studies in maize.
근적외선분광분석에 의한 육성계통 벼 유전자원의 아밀로스 및 단백질 성분함량에 관한 통계분석
Statistical Analysis of Amylose and Protein Content in Breeding Line Rice Germplasm Collected from East Asian Countries Based on Near-infrared reflectance spectroscopy
오세종(Sejong Oh),최유미(Yu Mi Choi),윤혜명(Hyemyeong Yoon),이명철(Myung Chul Lee),신명재(Myoung-Jae Shin),유은애(Eunae Yoo),현도윤(Do Yoon Hyun),채병수(Byungsoo Chae)
KOREAN JOURNAL OF BREEDING SCIENCE Vol.51 NO.4/ 2019
298-317 (20 pages)
자연과학>생활/식품과학
Abstract
A statistical analysis of 9,771 non-glutinous rice in breeding line germplasm collected from Korea (2,836), China (2,136), Japan(1,219), and the Philippines (1,213) was conducted using normal distribution, variability index value (VIV), analysis of variation (ANOVA) and Ducan’s multiple range test (DMRT) based on the data obtained from NIRS analysis. According to the normal distribution, the average protein content was 7.9%, and non-glutinous rice ranging over 10% amylose had 23.6% average content. Most resources were between 5.3 and 10.5% in protein content, and 15.7 and 31.5% in amylose content. The VIV was 0.54 for protein, and 0.83 for amylose. The average amylose content was 25.18%, 24.54%, 22.08%, and 21.47% in Filipino, Chinese, Korean, and Japanese resources, respectively, wheereas the average protein content was found to be 8.19%, 7.79%, 7.58%, and 7.42% in Filipino, Chinese, Korean, and Japanese resources, respectively. The ANOVA of amylose and protein content showed significant differences at the level of 0.01. The F-test value was 412.2 for amylose content, and 108.4 for protein when compared with the critical value of 3.78. The DMRT of amylose and protein content showed significant differences (p<0.01) among resources from different countries. The Filipino resources had the highest level of amylose and protein content, whereas; the lowest level of amylose and protein content were found in Japanese when compared with resources of other origins. These results are recommended as helpful materials in the field of breeding.
방사선 유도 내염성 증진 사료용 옥수수 돌연변이체 특성 분석
Characterization of a Gamma Radiation-Induced Salt-Tolerant Silage Maize Mutant
조철오(Chuloh Cho),김경화(Kyung Hwa Kim),최만수(Man-Soo Choi),전재범(Jaebuhm Chun),서미숙(Mi-Suk Seo),정남희(Namhee Jeong),진민아(Mina Jin),손범영(Beom-Young Son),김둘이(Dool-Yi Kim)
KOREAN JOURNAL OF BREEDING SCIENCE Vol.51 NO.4/ 2019
318-325 (8 pages)
자연과학>생활/식품과학
Abstract
Salt stress is a significant factor limiting growth and productivity in crops. However, little is known about the response and resistance mechanism to salt stress in maize. The objective of this research was to develop an enhanced salt tolerant silage maize by mutagenesis with gamma radiation. To generate gamma radiation-induced salt-tolerant silage maize, we irradiated a KS140 inbred line with 100 Gy gamma rays. Salt tolerance was determined by evaluating plant growth, morphological changes, and gene expression under NaCl stress. We screened 10 salt-tolerant maize inbred lines from 2,248 M2 mutant populations and selected a line showing better growth under salt stress conditions. The selected 140RS516 mutant exhibited improved seed germination and plant growth when compared with the wild-type under salt stress conditions. Enhanced salt tolerance of the 140RS516 mutant was attributed to higher stomatal conductance and proline content. Using whole-genome re-sequencing analysis, a total of 328 single nucleotide polymorphisms and insertions or deletions were identified in the 140RS516 mutant. We found that the expression of the genes involved in salt stress tolerance, ABP9, CIPK21, and CIPK31, was increased by salt stress in the 140RS516 mutant. Our results suggest that the 140RS516 mutant induced by gamma rays could be a good material for developing cultivars with salt tolerance in maize.
국내 고추 품종 간 대사산물 함량과 항산화 활성 비교
Comparison of Metabolite Levels and Antioxidant Activity Among Pepper Cultivars
이태규(Tae Gyu Yi),박예리(Yeri Park),최익영(Ik-Young Choi),박남일(Nam-Il Park)
KOREAN JOURNAL OF BREEDING SCIENCE Vol.51 NO.4/ 2019
326-340 (15 pages)
자연과학>생활/식품과학
Abstract
Red peppers (Capsicum spp.) are one of the most widely consumed vegetables in Korea; thus, improving the beneficial properties of peppers may have important public health implications. Peppers contain various active phenolic compounds, including capsaicinoids; therefore, developing cultivars with high levels of these and other functional compounds is of major interest. We analyzed and compared the physiological activities and functional compounds on 15 cultivars of red peppers, including 5 commonly consumed cultivars that were collected from markets in Korea, and 10 important breeding cultivars that were registered with the National Agrobiodiversity Center (RDA, Korea). Comparisons of polyphenol content showed that polyphenol levels were higher in the green stages of the 10 registered peppers than in the same stage of ‘Noggwang Gochu’ peppers collected from the market. Based on ABTS (2,2 -azino-bis-3-ethylbenzo-thiazoline-6- sulfonic acid) radical scavenging activity, all stages of the 10 registered peppers had higher antioxidative activity than did the green and red stages of ‘Noggwang Gochu.’ Overall, ‘Hongsinho Gochu’ and ‘House Put Gochu’ had the highest antioxidant activity levels and the highest functional content among breeding cultivars. Among landraces, ‘Jeonbuk Wanju’ red peppers had both the highest functional ingredient levels and the highest antioxidant activity levels.
이질배수성 게놈 돌산갓의 복이배체(4n) 식물 생산
Insight on Doubled Haploid Production with an Amphidiploid Species ‘Dolsangat’ in Brassica Juncea
김정선(Jung Sun Kim),서미숙(Mi-Suk Seo),문미선(Mi-Sun Moon),원소윤(So Youn Won),권수진(Soo-Jin Kwon)
KOREAN JOURNAL OF BREEDING SCIENCE Vol.51 NO.4/ 2019
341-350 (10 pages)
자연과학>생활/식품과학
Abstract
Amphidiploid Brassica juncea (AABB, 2n=36) contains the synthesized genome of the diploid ancestors of Brassica rapa (AA, 2n=20) and Brassica nigra (BB, 2n=16), proven the ‘triangle of U’ model. Varieties of the B. juncea include vegetables, oilseed crops, and medicinal plants in South Asia, China, and other regions. ‘Dolsangat’, one of the cultivars of B. juncea is widely used as the main ingredient for ‘KatKimchi’, a kind of Korean traditional food Kimchi. To develop an efficient polyploidization protocol of B. juncea, we used twenty accessions. Among them, we could induce the amphidiploid plants with 0.23% in natural. A successful of polyploidization, it is essential of chromosome doubling regent treatment of B. juncea. At first, we tried to colchicine treatment in the embryo stage and it was very harmful to the embryo and could get few plants. The second, we made the regeneration plants from embryo to rooting phase and shocked them in 0.34% colchicine contained distilled water. We could induce amphidiploid plants with a success rate of 63.4%. Also, we surveyed glucosinolate content and JB1, Alsami, and JD6 showed high total contents. These plants will use for genetic materials for breeding, genetic and molecular studies.
국내 재래종 벼 유전자원의 중배축 신장 특성 평가
Evaluation of Mesocotyl Elongation Ability in Korean Rice Landraces (Oryza sativa L.)
박소연(So-Yeon Park),장성규(Seong-Gyu Jang),이주현(Joohyun Lee),권순욱(Soon-Wook Kwon)
KOREAN JOURNAL OF BREEDING SCIENCE Vol.51 NO.4/ 2019
351-356 (6 pages)
자연과학>생활/식품과학
Abstract
Rice landrace germplasms are highly valuable because of their wide genetic variation. Their traits have not been selected by modern breeders but by nature, thus, these traits and the gene associated with them have tremendous potential to improve modern rice cultivars. The first step to utilize this potential is to conduct a thorough evaluation of the target traits to select superior germplasm for a breeding program. Here, with 386 Korean landrace germplasms, we evaluated mesocotyl elongation traits which possibly promote direct seedling cultivation in rice. Mesocotyl length ranged from 0 mm to 28 mm. Among the tested landraces, we selected and reported the top 20 performing landraces whose mesocotyl length were larger than 16 mm. The previously reported agronomic traits for the selected 20 landraces were also listed for breeders to promote the utilization of these germplasms in breeding programs.
미국 USDA에서 도입한 수박 유전자원의 특성
Characterization of Watermelon (Citrullus lanatus) Accessions Introduced from USDA
이경준(Kyung Jun Lee),이정로(Jung-Ro Lee),조규택(Gyu-Taek Cho),신명재(Myoung-Jae Shin),김성훈(Seong-Hoon Kim),이수경(Sookyeong Lee),한세희(Sea-Hee Han),현도윤(Do Yoon Hyun)
KOREAN JOURNAL OF BREEDING SCIENCE Vol.51 NO.4/ 2019
357-366 (10 pages)
자연과학>생활/식품과학
Abstract
In this study, watermelon accessions introduced from the USDA were characterized for 12 morphological characteristics of leaf, flower, fruit, and seed, according to the National Agrobiodiversity Center descriptor list. In addition, to confirm the genetic composition of each watermelon accession, genetic profiling was performed using 20 simple sequence repeat (SSR) markers. A total of 154 watermelon accessions from the USDA were collected from 31 different countries, among which, 12.3% (19 accessions) were from Turkey. Morphological characterization revealed that the accessions displayed a large diversity. Genetic profiling using 20 SSR markers showed that six accessions (K192117, K192028, K193400, K192376, K192499, and K192800) were expected to be inbred lines among the 154 watermelon accessions. The 12 characters scored were analyzed using discriminant analysis of principal components (DAPC). The result revealed 68.1% of the total variability and indicated variations among accessions, mainly based on fruit stripes and fruit shape along the longitudinal section. The accessions were divided into eight groups according to DAPC, although the geographical origin was not a great source for the grouping. Our results will be helpful for the efficient management of germplasms and in understanding and selecting watermelon accessions for the breeding process.
국내 일대잡종 수수 품종개발을 위한 잡종강세 및 조합능력 검정
Heterosis and Combining Ability of F1 Hybrid Grain Sorghum in Korea (Sorghum bicolor L.)
최명은(MyeongEun Choe),곽도연(Kwak Do-Yeon),고지연(Ko Jee-Yeon),송석보(Song Seok-Bo),한상익(Sang-Ik Han),추지호(Jiho Chu)
KOREAN JOURNAL OF BREEDING SCIENCE Vol.51 NO.4/ 2019
367-375 (9 pages)
자연과학>생활/식품과학
Abstract
A few inbred grain-sorghum varieties, developed and grown in Korea, have low productivity. Several hybrid cultivars have been demonstrated to be more productive and resistant to unfavorable environmental conditions than pure line varieties. However, very limited studies have been conducted on hybrid sorghum in Korea. Information on combining ability of Korean landraces based on parental materials is of great importance for increasing the productivity of sorghum through hybrid breeding programs. This study was conducted to determine the combining abilities of Korean sorghum landraces and cultivars. Two cytoplasmic male-sterile lines (A.Arg-1 and A03017) were crossed with 13 male-fertile lines to generate 26 experimental grain-sorghum hybrids. The hybrids were evaluated at two locations (Daegu and Miryang) in Korea in 2018. They were planted in three replications and standard agronomic practices were followed at both sites. There were significant (p=0.001) variations among genotypes for yield and secondary traits. For each trait, general combining ability (GCA) and specific combining ability (SCA) effects were estimated using the line-tester method. A positive heterosis for grain yield was observed in several hybrids. The A03017 × Sodamchal hybrids exhibited considerable heterosis of up to 54.1%. The lines 18AYT-S04 and Sodamchal displayed positive significant GCA effects for grain yield, and A03017 × Sodamchal crosses showed the highest positive SCA effects. The crosses, A.Arg-1 × 18OYT-S17, A.Arg-1 × Sodamchal and A.Arg-1 × 18OYT-S01 had high grain yields with waxy endosperms, and could be recommended for grain-sorghum breeding programs in Korea.
국내 장수형 밀 계통을 이용한 수량 관련 양적 형질 유전자좌 분석
Mapping of QTL for Yield Traits in Recombinant Inbred Lines Derived from Korean Wheat with Long Spike Length
강성욱(Seong-Wook Kang),김경민(Kyeong-Min Kim),강택규(Taek-Gyu Kang),강천식(Chon-Sik Kang),전재범(JaeBuhm Chun),박철수(Chul Soo Park),조성우(Seong-Woo Cho)
KOREAN JOURNAL OF BREEDING SCIENCE Vol.51 NO.4/ 2019
376-385 (10 pages)
자연과학>생활/식품과학
Abstract
Association analysis was conducted to identify quantitative trait locus (QTL) of yield potential traits, days to heading date, culm length, spike length and kernels per spike in the genetic mapping population (94 F10 recombinant inbred line) produced from a cross between two Korean wheat cultivars, Taejoong which has a large kernel number line, a longer spike length, and a higher kernel number per spike and Keumkang. Yield potential traits, days to heading date, culm length, spike length and kernels per spike were evaluated in 2017 and 2018 under upland conditions. Days to heading date were biased toward late heading date (skewness=-0.3), and spike length was biased toward short spike length (skewness=0.7). A genetic map was constructed with 57 microsatellite marker loci and two QTLs were detected for spike length. The first QTL on chromosome 2A, qSL-1 was detected by Xcfd5 and Xpsp3050 and explained 20.7% of phenotypic variation. The second QTL on chromosome 5B, qSL-2 was detected by Xwmc656 and Xwmc415 and explained 40.8% of phenotypic variation. These QTLs were applied to validate the relationships between genotypes of QTLs and 29 Korean wheat cultivars cultivated for nine years, from 2010 to 2018. The Korean wheat cultivars were classified into 6 types according to the genotypes of Xcfd5-Xpsp3050 and Xwmc656-Xwmc415. The same genotypes as Keumkang showed a higher frequency and shorter spike length than that of Taejoong in Korean wheat cultivars.
국내 육성 품종별 숙지황의 품질 특성
국내 육성 품종별 숙지황의 품질 특성
김예진(Yae Jin Kim),한신희(Sin Hee Han),마경호(Kyungho Ma),홍충의(Chung-Oui Hong),한종원(Jong-Won Han),이상훈(Sang Hoon Lee),장재기(Jae Ki Chang),이준수(Jun soo Lee),정헌상(Heon-Sang Jeong)
KOREAN JOURNAL OF BREEDING SCIENCE Vol.51 NO.4/ 2019
386-394 (9 pages)
자연과학>생활/식품과학
Abstract
Rehmannia glutinosa, one of the major medicinal crops in Korea, can be classified into three types: fresh, dried and prepared Rehmannia root. In this study, the quality characteristics of prepared rehmannia root were evaluated using four different cultivars that are commonly used in the market. In making prepared rehmannia root, roots of Jihwang 1, Kokang, Togang, and Dagang were dried, soaked in rice wine, and steamed nine times. At each stage, physiochemical properties were analyzed, including yield, which is one of the most important industrial factors to consider. The yield was the highest in Togang at 23.61% and the lowest in Dagang at 21.16%. These yield values showed a highly negative correlation with the moisture content of roots. The fructose and glucose contents were increased during the 3rd, 4th and 5 th steaming but then decreased. The sucrose, raffinose, and stachyose content gradually decreased during the first three steaming and were not detected during the 4th steaming. Additionally, the catalpol content was not detected after the 4th steaming. On the contrary, the 5-hydroxymethylfurfural content was not detected in the raw root but increased during the steaming. Jihwang1 and Togang exceeded the 0.1% Korean Pharmacopoeia standard after the 5th steaming, reaching it faster than did the other cultivars. Overall, Togang was the optimal cultivar considering the overall characteristics of its high yield and short steaming time. These results could provide useful information for the industrial use of prepared Rehmannia root based on the requirements and characteristics of each cultivar.
도열병 내구 저항성 자포니카 벼품종 팔공의 저항성 관련 유전좌위 분석
Molecular Mapping of the Blast Resistance Loci in the Durable Resistance Japonica Rice Cultivar, Palgong
백만기(Man-Kee Baek),조영찬(Young-Chan Cho),박현수(Hyun-Su Park),정종민(Jong-Min Jeong),김우재(Woo-Jae Kim),남정권(Jeong-Kwon Nam),김춘송(Choon-Song Kim),권순욱(Soon-Wook Kwon),김보경(Bo-Kyeong Kim)
KOREAN JOURNAL OF BREEDING SCIENCE Vol.51 NO.4/ 2019
395-403 (9 pages)
자연과학>생활/식품과학
Abstract
Rice blast caused by the fungus Magnaporthe grisea (anamorphic: Pyricularia oryzae) is an important disease in rice and development of resistant varieties to blast is one of the most important goals in rice breeding programs. A japonica rice variety, Palgong, has shown resistance to the Korean blast pathogen since it was developed in 1996. Nine blast resistance quantitative trait loci (QTLs) in Palgong alleles were identified on chromosomes 2, 4, 7, and 11. Four QTLs of qBn2.3, qBn4.2, qBn11.1, and qBn11.2 explained 28–56.7% of total phenotypic variation, while five QTLs of qBn2.2, qBn2.4, qBn4.1, qBn7.1, and qBn7.2 explained 9.7–18.8%. In a previous study, one to four resistance genes were located on the loci qBn2.2, qBn2.3, qBn4.2, qBn11.1, and qBn11.2, however, resistance genes were not located on the loci qBn2.4, qBn4.1, and qBn7.1. A major QTL, qBn11.2, explaining 56.7% of total phenotypic variation was related to the durable resistance of Palgong. Additionally, rice stripe virus resistance of Palgong was assumed to be based on the Stvb-i gene, which is located on a major QTL qBn11.2.
한아름2호 × 운광 재조합 집단을 이용한 수량 관련 형질 QTLs 분석
QTL Analysis of Yield Traits Using Hanareum2/Unkwang Recombinant Inbred Lines
이지윤(Ji-Yoon Lee),강주원(Ju-Won Kang),조준현(Jun-Hyeon Cho),이종희(Jong-Hee Lee),여운상(Un-Sang Yeo),송유천(You-Chun Song),박동수(Dong-Soo Park),고종민(Jong-Min Ko)
KOREAN JOURNAL OF BREEDING SCIENCE Vol.51 NO.4/ 2019
404-414 (11 pages)
자연과학>생활/식품과학
Abstract
The rice recombinant inbred lines derived from Hanareum2 and Unkwang (HURILs) cross were used in genetic mapping and QTL analysis studies using the inclusive composite interval mapping (ICIM) method. In this study, we constructed the genetic map using 241 SNP markers based on the SNPs in the whole genome region between these varieties. As a result, the total genetic distance and average distances were 1,142 cM and 4.7 cM, respectively. Both heading date and plant height are important traits related to grain yield in rice. Twelve heading date QTLs were detected under natural condition in Korea. A major QTL qDTH3-2 for heading date and qCL1-2 for plant height explained 25.8~27.4% and 30.8~56.9% of the phenotypic variations in the HURIL populations. Four panicle traits, grain number (GN), panicle length (PL), number of panicle per plant (NPP), grain filling ratio (GFR) were evaluated for QTL effects in HURILs population during two years. Results showed that a total of twelve QTLs for GN, PL, NPP, and GFR were detected on chromosome 2, 3, 4, 6, 7, 8. A major QTL qGNP4 for GN was detected in HURIL populations with LOD score 7.7-19.3 and explained 6.7-17.69% of phenotypic variations. Twenty-five QTLs for the four traits TGW, GL, GW, and GT were identified in the HURIL populations for two years (2014~2015). The three QTLs, qTGW8, qGL8-2, and qGW8-2, shared the same interval between id8007093 and id8007764 on chromosome 8 with explained 4.8-4.1%, 4.2-6.8%, and 5.3-10.5% of phenotypic variations, respectively. Furthermore, two QTLs, qTGW3-2 and qGL3-2, were detected in the same chromosomal interval at the same position. These findings will benefit breeding design for development of high yielding variety in rice.
자포니카 벼의 담수발아 내성에 대한 QTL 분석
QTL Analysis for Tolerance to Anaerobic Germination in Japonica Rice (Oryza Sativa L.)
김진희(Jinhee Kim),모영준(Youngjun Mo),하수경(Su-Kyung Ha),김우재(Woo-Jae Kim),김보경(Bo-Kyeong Kim),정지(웅Ji-Ung Jeung),정종민(Jong-Min Jeong)
KOREAN JOURNAL OF BREEDING SCIENCE Vol.51 NO.4/ 2019
415-423 (9 pages)
자연과학>생활/식품과학
Abstract
Hypoxia caused by water seeding of rice inhibits germination and often leads to serious problems in seedling establishment and early growth. To solve this problem, it is necessary to develop rice cultivars that can stably germinate and grow under anaerobic environments. In this study, we performed QTL analysis on anaerobic germination (AG) tolerance using 139 recombinant inbred lines (RILs) derived from a cross between Milyang23 and Gihobyeo, and identified two QTLs (qAG2.1, qAG2.2) on chromosome 2. The LOD scores at qAG2.1 and qAG2.2 were 3.30 and 5.31, respectively. The phenotypic variances explained by the QTLs were 9.19% and 14.99%, respectively. The japonica cultivar Gihobyeo provided alleles for AG tolerance at both QTLs. While the chromosomal location of qAG2.2 overlapped with previously identified QTLs for AG tolerance, qAG2.1 was detected in a locus that has not been reported previously. The RILs carrying favorable type alleles for the AG tolerance at both QTLs (qAG2.1 + qAG2.2) expressed 41.0% survival rate under the AG condition, which was significantly higher than those of the RILs carrying single QTL, qAG2.1 (22.0%) or qAG2.2 (26.2%). As the favorable alleles for the two QTLs found in this study derived from the japonica cultivar Gihobyeo, it is expected that they would accompany less linkage drag such as shattering and lodging compared to those derived from indica or landraces. The result of this study would provide useful information for improving AG tolerance of japonica rice cultivars that can be used for water seeding cultivation.
조생종 추석용 단감 ‘초시’ 육성
‘Chosi’, Early Maturing Sweet Persimmon (Diospyros kaki Thunb.) for ‘Chuseok’
마경복(Kyeong-Bok Ma),조광식(Kwang-Sik Cho),강삼석(Sam-Seok Kang),김윤경(Yoon-Kyeong Kim),황해성(Hae-Sung Hwang),최장전(Jang-Jeon Choi),한점화(Jeom-Hwa Han)
KOREAN JOURNAL OF BREEDING SCIENCE Vol.51 NO.4/ 2019
424-427 (4 pages)
자연과학>생활/식품과학
Abstract
A persimmon (Diospyros kaki L. Thunb.) cultivar, ‘Chosi’, which was a cross between ‘Johongsi’ and ‘Nishimurawase’ in 2000, was finally selected in 2010. ‘Chosi’ persimmon fruits were harvested in Sept. 19 in Naju, with a medium fruit size of 161 g, on average, and high soluble solids of approximately 15.3 ºBx. The flesh tastes good, with a crispy texture, and the juice is rich. The shape of the fruit is round oblate, and the skin color is orange; the appearance is graceful. Physiological disorders, such as stylar-end cracking or skin fine cracking, rarely occur in this cultivar. (Registration No. 7075)
단경 노랑 종피 녹두 품종 ‘진황’
A New Mungbean Cultivar, ‘Jinhwang’, with a Short Stem and Yellow Seed Coat
김동관(Dong-Kwan Kim),최진경(Jin-Gyung Choi),김선곤(Seon-Gon Kim),이경동(Kyung-Dong Lee),서민정(Min-Jung Seo),강범규(Beom-Kyu Kang)
KOREAN JOURNAL OF BREEDING SCIENCE Vol.51 NO.4/ 2019
428-433 (6 pages)
자연과학>생활/식품과학
Abstract
A mungbean (Vigna radiata (L.) Wilczek) cultivar Jinhwang was derived from a cross between Samgang and KM9901-3B-15-2-4 and developed at the Jeollanamdo Agricultural Research and Extension Services (JARES) in 2013. Jinhwang has an erect growth habit, heart leaflets, green hypocotyls, light yellow corolla, and a dull yellow seed surface. The stem length of Jinhwang was 61 cm, which was 5 cm shorter than that of the control cultivar Owool. The 1000-seed weight was 52 g, which was 3 g heavier than that of Owool. Jinhwang has similar field resistance to mungbean mottle virus, cercospora leaf spot, powdery mildew, and lodging to the control cultivar. The hard seed rate of Jinhwang was 6.2%, which was 1.8%p higher than that of Owool. The sprout yield ratio was the same as that of the control cultivar. The average seed yield of Jinhwang was 1.68 ton/ha, which was 5% greater than that of Owool. (Registration No. 5873)
기계수확용 다수성 조생 수수 ‘청풍’
‘Cheongpung’ - Early maturing sorghum (Sorghum bicolar L.) variety with high yield and machine harvesting-adaptability
윤건식(Geon-Sig Yun),이재웅(Jae-Wung Lee),황세구(Se-Gu Hwang),김익제(Ik-Jei Kim),홍성택(Seong-Taeg Hong),최명은(Myeong-Eun Choe),최규환(Gyu-Hwan Choi),김용순(Yong-Soon Kim),김홍식(Hong-Sig Kim)
KOREAN JOURNAL OF BREEDING SCIENCE Vol.51 NO.4/ 2019
434-439 (6 pages)
자연과학>생활/식품과학
Abstract
To improve their income, farmers should cultivate sorghum varieties with high productivity, short breeding period, and easy double cropping. To increase purchases by consumers, the sorghum variety must have health-related functions. To meet these demands, the Cheongpung variety has been raised through net separation from the traditional species of the Chungbuk region as a sorghum variety that can be harvested by machine, have the highest yield in the country, and have the most abundant antioxidant content. The seed coat of ‘Cheongpung’ was reddish-brown, and had the characteristic of early maturation; it required only 107 days from sowing to harvest. Its culm length was 89 cm, the smallest among domestic cultivated varieties. It could also be harvested by machine without difficulty. Compared with the ‘Hwanggeumchal’ variety, the number of ear per plant in ‘Cheongpung’ was approximately 1.3, but each ear piece weighed 66.2 g, weighing 3.8 g, and the thousand-grain weight was 1.4 grams higher than the rough-grain weight. A local adaptation test in five regions nationwide for two years led to a ‘Cheongpung’ yield of 359 kg/10a, which was the highest among domestic cultivated varieties. In addition, the polyphenol content of ‘Cheongpung’ was 29% higher than that of ‘Hwanggeumchal’. (Registration No. 7717)
중생 고품질 내병 다수성 벼 ‘영보(嶺寶)’
중생 고품질 내병 다수성 벼 ‘영보(嶺寶)’
박노봉(No-Bong Park),김상열(Sang-Yeol Kim),여운상(Un-Sang Yeo),김정일(Jeong-Il Kim),이지윤(Ji-Yoon Lee),권오덕(Oh-Deog Kwon),박동수(Dong-Soo Park),이종희(Jong-Hee Lee),조준현(Jun-Hyun Cho),송유천(You-Cheon Song),오성환(Seong-Hwan Oh),손영보(Young-Bo Son),장재기(Jae-Ki Chang),남민희(Min-Hee Nam)
KOREAN JOURNAL OF BREEDING SCIENCE Vol.51 NO.4/ 2019
440-447 (8 pages)
자연과학>생활/식품과학
Abstract
‘Yeongbo’ is a variety of japonica rice (Oryza sativa L.) with good eating quality, resistance to rice stripe virus, rice dwarf virus, and bacterial blight disease. It was developed by the rice breeding team of the Yeongdeok Branch, National Institute Crop Science, Rural Development Administration in 2014. This variety was derived from a cross between ‘Yeongdeog35’ with good eating quality and ‘Saekyehwa’ with good plant type in the 2002 summer season. A promising line selected through the pedigree breeding method, YR24269-1-2-1-2-3-3, was designated as ‘Yeongdeog57’ in 2011. After a local adaptability test at nine locations from 2012 to 2014, ‘Yeongdeog57’ was released under the name of ‘Yeongbo’ in 2014. ‘Yeongbo’ had a short culm length of 66 cm and medium growth duration. This variety was resistant to K1, K2, and K3 races of bacterial blight, rice stripe virus, and dwarf virus, and moderately resistant to leaf blast disease. ‘Yeongbo’ had translucent and clear milled rice kernel without white core and belly, and good eating quality according to a panel test. The yield potential of ‘Yeongbo’ in milled rice was approximately 5.75 MT/ha at an ordinary fertilizer level in the local adaptability test. This cultivar would be adaptable to middle plain area, south plain area, Yeongnam plain area, east costal area, and south mid-mountainous area. (Registration No.6804)
MAS를 이용한 줄무늬잎마름병 저항성 조생종 벼 ‘해담쌀’ 개발
Development of Early Maturing Rice Stripe Virus Disease-Resistant ‘Haedamssal’ through Marker-Assisted Selection
이종희(Jong-Hee Lee),조준현(Jun-Hyeon Cho),이지윤(Ji-Yoon Lee),오성환(Seong-Hwan Oh),김춘송(Choon-Song Kim),박노봉(No-Bong Park),황운하(Un-Hwa Hwang),송유천(You-Chun Song),박동수(Dong-Soo Park),여운상(Un-Sang Yeo)
KOREAN JOURNAL OF BREEDING SCIENCE Vol.51 NO.4/ 2019
448-453 (6 pages)
자연과학>생활/식품과학
Abstract
‘Haedamssal’ is an early maturing and rice stripe virus disease-resistant cultivar adaptable for early-transplanting cultivation that was developed by the rice breeding team of the Department of Southern Crop, NICS, RDA, in 2014. This cultivar was derived from the cross YR25869 (YR21247-B-B-B-49-1/Sasanishiki BL4//Koshihikari) and YR25868 (Unkwang//YR21247-B-B-B-49-1/Sasanishiki BL4) made in the 2005/2006 winter season and was advanced to the F5 generation by a bulk breeding method using rapid generation advance. To incorporate rice stripe virus resistance, marker-assisted selection on the RSV gene was conducted in 3-way and 6-way cross F1 generation using the tightly linked marker RM6897. From testing in the replicated yield trial in 2011, a promising line YR26258-B-B-B-33-3 was selected and it was designated as ‘Milyang276’. A local adaptability test of ‘Milyang276’ was performed at three locations from 2012 to 2014 and it was named as ‘Haedamssal’, which was a good eating quality variety. The culm length was 67 cm in yield trials, which was 4 cm shorter than ‘Jopyeong’. The number of spikelets per panicle was lower than ‘Jopyeong’, whereas the number of tillers per hill was higher. This variety was resistant to RSV disease, bacterial blight, and leaf blast disease. The milled rice yield of ‘Haedamssal’ was 5.48 MT per ha at the early transplanting in the local adaptability test. ‘Haedamssal’ is well adapted to early transplanting cultivation in the southern plain area (Registration No. 6811).
적립계 장수형 붉은곰팡이병 중도저항성 제면용 밀(Triticum aestivum L.) ‘태중’
‘Taejoong’ a Wheat Variety with Good Noodle Quality, Red Grain Wheat, Long Spike, and Moderate Resistance to Fusarium Head Blight
김경민(Kyeong-Min Kim),김경훈(Kyeong-Hoon Kim),정영근(Young-Keun Cheong),최창현(Chang-Hyun Choi),김양길(Yang-Kil Kim),박종호(Jong-Ho Park),김경호(Kyong-Ho Kim),장지선(Jiseon Jang),최진경(Jin Kyung Choi),배정숙(Jeong-Suk Bae),민병규(Byeong-Kyu Min),김승남(SeungNam Kim),한옥규(Ouk-Kyu Han),김영진(Young-Jin Kim),김보경(Bo-Kyeong Kim),박태일(Tae-Il Park),박철수(Chul-Soo Park),강천식(Chon-Sik Kang)
KOREAN JOURNAL OF BREEDING SCIENCE Vol.51 NO.4/ 2019
454-461 (8 pages)
자연과학>생활/식품과학
Abstract
A winter wheat (Triticum aestivum L.) cultivar, ‘Taejoong’, was developed by the National Institute of Crop Science, Rural Development Administration in 2016. It was derived from a cross between ‘Xian83(104).11’ and ‘Keumkang’ in 2005. It was generated through the bulk and pedigree methods for six years, and then designated as ‘Iksan370’ after a two-year advanced yield trial test. This variety was designated the name ‘Taejoong’ after a regional yield trial test in eight locations throughout Korea for three years from 2014 to 2016. Its heading date was April 27 in upland and paddy filed conditions, and its maturity date was June 7 in uplands and June 4 in paddy fields, which were late compared to that of ‘Keumkang’. ‘Taejoong’ had 417 spikes per m2, which was 300 less than that of ‘Keumkang’. However, the spike length was 13.4 cm and the number of kernel per one spike was 48, which was 5.8 cm longer and 19 higher than those of ‘Keumkang’, respectively. ‘Taejoong’ showed strong resistance to lodging and moderate resistance to Fusarium head blight, but was susceptible to powdery mildew. ‘Taejoong’ flour yield (71.8%) and flour lightness (91.90) were similar to those of ‘Keumkang’, but its protein content (11.1%), gluten content (8.8%), and sodium dodecyl sulfate-sedimentation volume (34.2 ml) were lower. These result showed that the flour dough strength of ‘Taejoong’ was weaker than that of ‘Keumkang’. The high-molecular-weight gluten subunit compositions of ‘Taejoong’ were Glu-A1 (N), Glu-B1 (7+9), and Glu-D1 (2+12). The granule-bound starch synthase compositions were Wx-A1, Wx-B1, and Wx-D1. The puroindoline compositions were Pina-D1 (a type) and Pinb-D1 (b type). The average grain yield of ‘Taejoong’ in a regional yield trial was 5.3 ton/ha in uplands and 4.6 ton/ha in paddy fields, which were 21% and 13% higher than that of the reference cultivar, ‘Keumkang’, respectively. (Registration No. 7378).
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