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Volume 46(2); June 2014

Articles

벼의 c/DRE Binding Factor 4 유전자를 이용한 내염성 벼 형질전환 계통 개발
Development of Salt-Tolerant Transgenic Rice using Rice c/DRE Binding Factor 4 cDNA
Sun-Ok Joung, Chun-Sun Seo, Eun-Mi Lee, Man-kee Baek, Woo-Jae Kim, Hyun-Su Park, Young-Chan Cho, Bo-Kyeong Kim, Song Joong Yun, So-Hyeon Baek
Korean. J. Breed. Sci. 2014;46(2):109-115.   Published online June 30, 2014
DOI: https://doi.org/10.9787/KJBS.2014.46.2.109

This study was conducted to isolate a salt tolerant gene and to develop salt tolerant rice for reclaimed-saline areas through genetic transformation. A rice c/DRE binding factor 4 (OsCBF4) cDNA was isolated from rice (cv. Nipponbare) using RT-PCR. The full-length cDNA of the CBF4 gene consists of 1,429 nucleotides and 274 amino acid residues. The OsCBF4 shares from 33 to 49% identity of deduced amino acid sequence with other CBFs of rice. In order to develop salt tolerant rice, transgenic rice plants containing the OsCBF4 gene were obtained via Agrobacterium-mediated transformation. The stable incorporation of the OsCBF4 gene into rice genome was confirmed by PCR and Southern analysis. The stable expression of introduced gene was also validated by RT-PCR analysis in T2 plants. Biological assay of T3 progeny of the transgenic plants in Yoshida solution containing 120 mM Nacl for 2 weeks, confirmed that the OsCBF4 confers salt tolerance to transgenic rice plants. OsCBF4 transgene in the transgenic line CBF4-10 was markedly expressed up to over three-fold in the leaf by 120 mM NaCl treatment. Real-time PCR analysis revealed that the levels of the transgene expression were markedly increased under salt treatment. The transgenic line CBF4-10 which showed highest ability to recover from the saline stress could be used as a potential source for salt tolerance in rice breeding programs.

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벼의 CAPS 마커 개발 및 줄기굵기 특성의 양적형질 유전자좌(QTL) 분석
Development of New CAPS Markers and Their Application in QTL Analysis of Stem Diameter in Rice
Hyun-Ju Lee, In-Seon Jeong, Hyeonso Ji, Gang-Seob Lee, Ung-Han Yoon, Tae-Ho Kim
Korean. J. Breed. Sci. 2014;46(2):116-128.   Published online June 30, 2014
DOI: https://doi.org/10.9787/KJBS.2014.46.2.116

The next generation sequencing (NGS) has been developed rapidly in recent years, paving ways of discovering vast sequence variations among germplasms. Whole-genome sequencing was performed on the genomic DNA of Milyang23 and Gihobyeo using NGS and developed new CAPS (cleaved amplified polymorphic sequence) markers based on the single nucleotide polymorphisms (SNPs) in coding sequence between these varieties. The NGS sequencing yielded sequences of 60x coverage of the Nipponbare reference genome on average. A molecular genetic map was constructed with the recombinant inbred population derived from Milyang23/Gihobyeo cross (MGRIL) integrating the newly developed 146 CAPS makers and previously reported 219 PCR-based DNA markers. This map was applied to the detection of quantitative trait loci (QTLs) for stem internode diameters, culm length and panicle length in rice with MGRIL population. A total of 4 new QTLs were detected for stem diameter traits including the first internode diameter (I1D), second internode diameter (I2D), third internode diameter (I3D), and fourth internode diameter (I4D). Among stem diameter QTLs, qI1D5 had relatively 6.09 LOD (likelihood of odds) score and explained 8.99% of total variation. Only very small portion of SNPs through re-sequencing were used in this study. Much more markers can be developed by using SNP information acquired in this study, which will enable construction of high-density genetic map and more accurate QTL analysis of important agronomical traits with MGRIL population.

Citations

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  • Genome-Wide Association Analysis Unravels New Quantitative Trait Loci (QTLs) for Eight Lodging Resistance Constituent Traits in Rice (Oryza sativa L.)
    Ognigamal Sowadan, Shanbin Xu, Yulong Li, Everlyne Mmbone Muleke, Hélder Manuel Sitoe, Xiaojing Dang, Jianhua Jiang, Hui Dong, Delin Hong
    Genes.2024; 15(1): 105.     CrossRef
  • Fine-Mapping of a Major Quantitative Trait Locusq2ID1for Rice Stem Diameter
    Ye-Ji Lee, Yeisoo Yu, Hyeonso Ji, Gang-Sub Lee, Nam-In Hyung, Keunpyo Lee, Tae-Ho Kim
    Plant Breeding and Biotechnology.2021; 9(4): 298.     CrossRef
  • High-Resolution Bin Maps Provide Insights for QTL Mapping of Yield-Related Traits with Milyang23/Gihobyeo Recombinant Inbred Lines
    Ye-Ji Lee, Nam-In Hyung, Tae-Ho Kim
    Plant Breeding and Biotechnology.2020; 8(3): 293.     CrossRef
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침수에 의한 습해 저항성 콩 유전자원 선발
Screening of Flooding Tolerance in Soybean Germplasm Collection
Sung Cheol Koo, Hyun Tae Kim, Beom Kyu Kang, Young Hoon Lee, Ki Won Oh, Hyun Young Kim, In Youl Baek, Hong Tai Yun, Man Soo Choi
Korean. J. Breed. Sci. 2014;46(2):129-135.   Published online June 30, 2014
DOI: https://doi.org/10.9787/KJBS.2014.46.2.129

Soybean [Glycine max. (L.) Merr] is one of the most important legumes in the world. However, soybean varieties are sensitive to flooding stress and their seed yields are substantially reduced in response to the flooding stress. 192 soybean germplasm collection was screened to identify flooding tolerant germplasm at an early vegetative growth stage (V1). Soybean plants at V1 stage were waterlogged for 4 to 10 days. To evaluate flooding tolerance, survival rate were investigated as a time dependent manner. Jangbaegkong, Danbaegkong, Sowonkongkong, Socheong2 and Suwon269 showed flooding tolerance, while Shillog, T201, T181, NTS1116 and HP-963 showed flooding sensitivity. We also investigated effects of flooding stress on soybean morphology. The adventitious root development was greatly increased in flooding tolerant plants compared to it in flooding sensitive plants. In addition, root length and root number were analyzed. The significant reduction of root length and root number was observed in flooding sensitive plants. Thus, these results indicate that the morphological changes in roots are important for acclimation to flooding stress. Taken together, the relationship between the morphological changes in the roots and flooding tolerance may be useful in selecting a flooding tolerant soybean germplasm.

Citations

Citations to this article as recorded by  
  • The Effect of Sowing Date on Soybean Growth and Yield Under Changing Climate in the Southern Coastal Region of Korea
    SeEun Chae, Pyeong Shin, JongTag Youn, JwaKyung Sung, SeungHo Jeon
    Agriculture.2025; 15(11): 1174.     CrossRef
  • Characterization of the Regulatory Network under Waterlogging Stress in Soybean Roots via Transcriptome Analysis
    Yo-Han Yoo, Seung-Yeon Cho, Inhye Lee, Namgeol Kim, Seuk-Ki Lee, Kwang-Soo Cho, Eun Young Kim, Ki-Hong Jung, Woo-Jong Hong
    Plants.2024; 13(18): 2538.     CrossRef
  • Identification of QTL for Tolerance to Flooding Stress at Seedling Stage of Soybean (Glycine max L. Merr.)
    Sanjeev Kumar Dhungana, Hong-Sik Kim, Beom-Kyu Kang, Jeong-Hyun Seo, Hyun-Tae Kim, Sang-Ouk Shin, Jae-Hyeon Oh, In-Youl Baek
    Agronomy.2021; 11(5): 908.     CrossRef
  • Analysis of differentially expressed genes in soybean leaf tissue of tolerant and susceptible cultivars under flooding stress revealed by RNA sequencing
    Sanjeev K. Dhungana, Hong-Sik Kim, Beom-Kyu Kang, Jeong-Hyun Seo, Hyun-Tae Kim, Jae-Hyeon Oh, Sang-Ouk Shin, In-Yeol Baek
    Journal of Crop Science and Biotechnology.2021; 24(1): 83.     CrossRef
  • Establishment of Soil Suitability and Assessment of Wet Injury in Astragalus membranaceus (Fisch.) Bunge by Soil Properties
    Eun Song Lee, Geun Soo Hyeon, Yong Il Kim, Jae Ki Chang, Tae Jin An
    Korean Journal of Medicinal Crop Science.2021; 29(4): 273.     CrossRef
  • Yearly Variation of Isoflavone Composition and Yield-Related Traits of 35 Korean Soybean Germplasm
    Hyemyeong Yoon, Jungyoon Yi, Kebede taye Desta, Myong-Jae Shin, Yoonjung Lee, Sukyeung Lee, Xiaohan Wang, Yu-Mi Choi, Sungwoo Lee
    Korean Journal of Breeding Science.2021; 53(4): 411.     CrossRef
  • Quantitative trait loci mapping for flooding tolerance at an early growth stage of soybean recombinant inbred line population
    Sanjeev K. Dhungana, Hong‐Sik Kim, Beom‐Kyu Kang, Jeong‐Hyun Seo, Hyun‐Tae Kim, Sang‐Ouk Shin, Chang‐Hwan Park, Do‐Yeon Kwak, Bradley Morris
    Plant Breeding.2020; 139(3): 626.     CrossRef
  • Exo-ethylene application mitigates waterlogging stress in soybean (Glycine max L.)
    Yoonha Kim, Chang-Woo Seo, Abdul Latif Khan, Bong-Gyu Mun, Raheem Shahzad, Jeung-Woo Ko, Byung-Wook Yun, Soon-Ki Park, In-Jung Lee
    BMC Plant Biology.2018;[Epub]     CrossRef
  • A New Soybean Cultivar, 'Gangpoong' for Soy-Paste and Tofu with Large Seeds and Lodging Resistance
    Eun Seob Yi, Jin Young Kim, Jong Hyong Lee, Jin Goo Lee, Jeong A Han, Chang Seong Kang
    Korean Journal of Breeding Science.2018; 50(3): 307.     CrossRef
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This study was carried out to develop of macro-protocol and the biosafety guide for drought-tolerant transgenic rice (Agb0103) at large scale GMO field, a total of 4,700 m2. In GMO quarantine area of Kyungpook National University, insect species diversities and population densities on Agb0103 and wild type (Ilmi) were investigated. There was no difference between the population densities of insect pests and natural enemies on two varieties, while sometimes insect pest density on Ilmi was slightly higher than on Agb0103, but natural enemy density on Agb0103 was a little higher. These results provided the insect diversity for risk assessment analysis of Agb0103 and suggested that the macro-protocol could be useful to detect GM plants.

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  • Distribution Characteristics of Arthropods in the LMO Confined Field under the Ministry of Environment
    Dong Eon Kim, Dayeong Kim, Sung Min Han, Nanghee Kim, Heejo Lee, Aram Jo, Kyong-Hee Nam
    GEO DATA.2025; 7(4): 377.     CrossRef
  • Influence of Vitamin A-enhanced Transgenic Soybean Cultivation on the Diversity of Insects in LMO Quarantine Fields
    Sung-Dug Oh, Soo-Yun Park, Seong-Kon Lee, Doh-Won Yun, Gang-Seob Lee, Sang Jae Suh
    Korean Journal of Breeding Science.2020; 52(4): 310.     CrossRef
  • Influences of Insect-Resistant Genetically Modified Rice (Bt-T) on the Diversity of Non-Target Insects in an LMO Quarantine Field
    Sung-Dug Oh, Soo-Yun Park, Ancheol Chang, Myung-ho Lim, Soon Ki Park, Sang Jae Suh
    Korean Journal of Breeding Science.2018; 50(4): 406.     CrossRef
  • Nutritional Assessment for Grain and Whole Rice Plant of Drought-tolerant GM Rice (Agb0103)
    Young-Tack Lee, Yong-Hwa Cho
    Journal of the Korean Society of International Agricultue.2018; 30(3): 233.     CrossRef
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배추()에서 분리한 스트레스 관련 후보 유전자 의 특성 분석
Molecular Characterization of a Putatively Stress-related Gene BrTSR53 Isolated from Chinese Cabbage (Brassica rapa)
A-Ram Kim, Hyemin Lim, Sung Han Park, Hyeonso Ji, Ung-Han Yoon, Tae-Ho Kim, Jung-Il Cho, Chang-Kug Kim, Gang-Seob Lee
Korean. J. Breed. Sci. 2014;46(2):143-151.   Published online June 30, 2014
DOI: https://doi.org/10.9787/KJBS.2014.46.2.143

Crops are exposed to various environmental stresses. These have been affecting the growth of crops, resulting in the severe loss of agronomic production in many countries. Therefore, development of new varieties of resistant crops is required to assure the desired productivity of crops in stress conditions. In this study, a putatively stress-related gene BrTSR53 was isolated from Brassica rapa. The BrTSR53 is 481 bp long and contains ORF region of 234 bp. This ORF showed strong sequence similarities to the uncharacterized genes from Arabidopsis. The expression of BrTSR53 was determined by quantitative real-time PCR analysis. After 3 hr, the highest quantities of mRNA were revealed in cold and salt stress treatments. In drought stress treatments, there was the highest expression after 36 hr. Therefore, it was confirmed that the ORF in BrTSR53 should be a gene that confer increased resistance to B. rapa growing in different stress conditions. The ORF region of BrTSR53 gene was cloned into an expression vector, pYES-DEST52, and a new protein with molecular weight of 13 kDa was detected by western blot analysis. Also, stress tolerance tests showed that BrTSR53-ORF transgenic yeast exhibited increased resistance to the salt stresses compared with the control. In conclusion, the present data predicts that novel ORF in BrTSR53 can serve as an important genetic resource for abiotic stress resistance.

Citations

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  • Production of Kimchi Cabbage (Brassica rapa subsp. pekinensis) Under High-Temperature Stress Conditions: A Review
    Se-Hyoung Lee, Seon-Hye Baek, Joowon Lee, Yoon-Ah Jang, Tae-Cheol Seo, Ji-Hye Moon, Seonghoe Jang
    Korean Journal of Breeding Science.2024; 56(3): 237.     CrossRef
  • Transcriptome Analysis in Chinese Cabbage (Brassica rapa ssp. pekinensis) Provides the Role of Glucosinolate Metabolism in Response to Drought Stress
    Seung Eom, Seung-A Baek, Jae Kim, Tae Hyun
    Molecules.2018; 23(5): 1186.     CrossRef
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분자육종법을 이용한 벼멸구 저항성 고품질 자포니카 벼 신품종 ‘안미’ 육성
A Brown Planthopper Resistant and High Grain Quality Rice Variety ‘Anmi’ Developed by Molecular Breeding Method
Jung-Pil Suh, Ji-Ung Jeung, Yeon-Gyu Kim, Kshirod K. Jena, Young-Chan Cho, Jeom-Ho Lee, Myeong-Ki Kim, Ha-Cheol Hong, Jong-Hee Lee, Jeong-Ju Kim, Im-Soo Choi, Eung-Gi Jeong, Hung-Goo Hwang, Sea-Kwan Oh, Chang-Ihn Yang, Mun-Sik Shin
Korean. J. Breed. Sci. 2014;46(2):152-159.   Published online June 30, 2014
DOI: https://doi.org/10.9787/KJBS.2014.46.2.152

‘Anmi’ is a new BPH (Brown planthopper) resistant japonica rice cultivar possessing the Bph18 gene derived from wild rice, Oryza australiensis and high yield potential with good grain quality. ‘Anmi’ was derived from a cross ‘Junam’ and ‘IR65482-7-216-1-2’ by a molecular marker assisted backcross breeding. The introgression line ‘IR65482-7-216-1-2’, the source of the Bph18 gene, was used as the donor parent for BPH resistance and ‘Junam’, a BPH-susceptible elite japonica cultivar with good grain quality, was used as the recurrent parent. ‘Anmi’ was developed by three times backcross the F1 plants with ‘Junam’. The heading date of ‘Anmi’ is August 15 in central plain area, which is 5 days later than that of ‘Hwaseong’. It has 77 cm in culm length, 21 cm in panicle length. The number of spikelets per panicle is more than that of ‘Hwaseong’ and 1,000 grain-weight of brown rice is 22.1 g which is less than 22.7 g of ‘Hwaseong’. Milled rice kernel of ‘Anmi’ is clear in appearance, low in amylase content and excellent in palatability of cooked rice. ‘Anmi’ shows resistance to BPH, leaf blast disease, bacterial blight, rice stripe disease but susceptible to other virus disease and insect pest. The milled rice yield performance of ‘Anmi’ is about 5.76 MT/ha in local adaptability test for three years. This cultivar is adaptable to central plain area of Korea.

Citations

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  • GWAS analysis reveals the genetic basis of blast resistance associated with heading date in rice
    Seung Young Lee, Gileung Lee, Jiheon Han, Su-Kyung Ha, Chang-Min Lee, Kyeongmin Kang, Mina Jin, Jung-Pil Suh, Ji-Ung Jeung, Youngjun Mo, Hyun-Sook Lee
    Frontiers in Plant Science.2024;[Epub]     CrossRef
  • Association Analysis of Yield-Related Traits in Rice Following the Introduction of Brown Planthopper Resistant Genes
    Jae-Ryoung Park, Jeonghwan Seo, Chang-Min Lee, Songhee Park, Mina Jin, Keon Mi Lee, O-Young Jeong, Jung-Pil Suh, Hyun-Su Park
    Korean Journal of Breeding Science.2024; 56(4): 381.     CrossRef
  • Breeding a Giant Embryo and Multi-disease-resistant Rice Cultivar, ‘Drimi4ho’
    Eun-Gyeong Kim, Jae-Ryoung Park, Yoon-Hee Jang, Jae-Keun Sohn, Gang-Seob Lee, Kyung-Min Kim
    Korean Journal of Breeding Science.2023; 55(1): 36.     CrossRef
  • Effect of Resistance Genes on the Occurrence of Rice Undesirable Characters in a Wide Cross
    Chang-Min Lee, Hyun-Su Park, Man-Kee Baek, Jung-Pil Suh, O-Young Jeong, Song-Joong Yun, Suk-Man Kim
    Korean Journal of Breeding Science.2021; 53(4): 392.     CrossRef
  • Development of a genome-wide InDel marker set for allele discrimination between rice (Oryza sativa) and the other seven AA-genome Oryza species
    Sherry Lou Hechanova, Kamal Bhattarai, Eliza Vie Simon, Graciana Clave, Pathmasiri Karunarathne, Eok-Keun Ahn, Charng-Pei Li, Jeom-Sig Lee, Ajay Kohli, N. Ruaraidh Sackville Hamilton, Jose E. Hernandez, Glenn B. Gregorio, Kshirod K. Jena, Gynheung An, Sun
    Scientific Reports.2021;[Epub]     CrossRef
  • Identification of F3H, Major Secondary Metabolite-Related Gene That Confers Resistance against Whitebacked Planthopper through QTL Mapping in Rice
    Eun-Gyeong Kim, Sopheap Yun, Jae-Ryoung Park, Kyung-Min Kim
    Plants.2021; 10(1): 81.     CrossRef
  • History and Results of Rice Breeding in Korea
    Young-Chan Cho, Man-Kee Baek, Hyun-Su Park, Jun-Hyun Cho, Eok-Keun Ahn, Jung-Pil Suh, Ji-Ung Jeung, Jong-Hee Lee, Yong-Jae Won, Yoo-Chun Song, Eung-Gi Jeong, Bo-Kyeong Kim, Jeom-Ho Lee
    Korean Journal of Breeding Science.2020; 52(S): 58.     CrossRef
  • QTL Mapping of Grain Quality Traits Using Introgression Lines Carrying Oryza rufipogon Chromosome Segments in Japonica Rice
    Yeo-Tae Yun, Chong-Tae Chung, Young-Ju Lee, Han-Jung Na, Jae-Chul Lee, Sun-Gye Lee, Kwang-Won Lee, Young-Hwan Yoon, Ju-Won Kang, Hyun-Sook Lee, Jong-Yeol Lee, Sang-Nag Ahn
    Rice.2016;[Epub]     CrossRef
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저 글루텔린 기능성 특수미 중만생종 벼 품종 ‘건양미’
Low glutelins Rice, Mid-late Maturing Variety ‘Geonyangmi’
Myeong-Ki Kim, Sang-Bok Lee, Jeom-Ho Lee, O-Young Jeong, Jong-Min Jeong, Young-Seop Shin, Chang-Ihn Yang, Yeon-Gyu Kim, Kyu-Seong Lee, Yong-Hwan Choi, Ha-Cheol Hong, Hyang-Mi Park, Ji-Ung Jeung, Jeong-Heui Lee, Kyeong-Ho Kang, Young-Mi Kim
Korean. J. Breed. Sci. 2014;46(2):160-165.   Published online June 30, 2014
DOI: https://doi.org/10.9787/KJBS.2014.46.2.160

Geonyangmi, low glutelins rice cultivar, was developed by the rice breeding team of National Institute of Crop Science (NICS), RDA in 2011. This cultivar was derived from the cross between Jinmi TR and LGC-1 in 2003 summer season, and selected by a promising line, SR29355-B-51-2-2-1, was selected and designated as the line of Suweon533 in 2009. The local adaptability test of Suweon533 was carried out at three locations from 2009 to 2011 and it was named as Geonyangmi. This variety is a mid-late maturity cultivar. This variety has 90 cm in culm length and 124 spikelets per panicle. Its 1,000 grain-weight of brown rice is 19.3 g which is less than that of Hwaseonbyeo. This variety has tolerance to unfavorable environment such as cold. This variety has translucent and clear milled rice kernel without white core and belly rice. It has low glutelin content compared with Jinmibyeo. This variety is susceptible to leaf blast, bacterial blight, virus disease and insect pest. The yield potential of Geonyangmi was about 4.93 MT/ha at ordinary fertilizer level in local adaptability test for three years. This variety would be adaptable to the plain paddy field of middle of Korea.

Citations

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  • Characteristics of Seed Storage Protein Affecting the Eating Quality of Japonica and Tongil-type Rice
    Jieun Kwak, Jeom-Sig Lee, Mi-Ra Yoon, Mi-Jung Kim, Areum Chun, Choon-Ki Lee
    The Korean Journal of Crop Science.2016; 61(4): 227.     CrossRef
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흑자색 향미 중생종 벼 품종 ‘선향흑미’
A Medium-Maturing, Black Pericarp and Aromatic Rice Variety ‘Sheonhyangheukmi’
Myeong-Ki Kim, Sang-Bok Lee, Jeom-Ho Lee, O-Young Jeong, Jong-Min Jeong, Young-Seop Shin, Chang-Ihn Yang, Yeon-Gyu Kim, Kyu-Seong Lee, Yong-Hwan Choi, Hyang-Mi Park, Sea-Kwan Oh, Ji-Ung Jeung, Kyeong-Ho Kang, Jae-Ki Chang, Dae-Jung Kim
Korean. J. Breed. Sci. 2014;46(2):166-171.   Published online June 30, 2014
DOI: https://doi.org/10.9787/KJBS.2014.46.2.166

Sheonhyangheukmi, black pericarp and aromatic rice (Oryza sativa L.) variety, was developed by the rice breeding team of National Institute of Crop Science (NICS), RDA in 2011. This variety was derived from the cross between Suweon477 and CG2-2-75-4-1-22-3 in 2002 summer season, and selected by a promising line, SR28684-9-2-2-2, was selected and designated as the line of Suweon532 in 2009. The local adaptability test of Suweon532 was carried out from 2009 to 2011 and it was named as Sheonhyangheukmi in 2011. This variety is medium matured with heading date of August 11 in central plain area of Korea. This variety is about 89 cm tall culm length and 122 spikelets per panicle. Its 1,000 grain-weight of brown rice is 17.0 g. This variety is susceptible to leaf blast and and insect pest, but resistant to bacterial leaf blight and moderately resistant to stripe virus disease. This variety has tolerance to unfavorable environment such as cold. Milled rice of Sheonhyanghuekmi is non-glutinous and aromatic endorsperm. This variety has higher anthocyanin content compared to black pigmented variety Heukjinju. The yield potential of Sheonhyangheukmi in brown rice was about 4.75 MT/ha at ordinary fertilizer level in local adaptability test for three years. This variety would be adaptable to the southern plain and middle plain of Korea.

Citations

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  • Golden queen 3: A High-quality Rice Variety with Low Amylose Contents and Aroma
    Seong-Gyu Jang, Wondo Lee, Yong-Jin Park, Young-Sang Lee, Joohyun Lee, Jeonghwan Seo, Yoo-Hyun Cho, Soon-Wook Kwon
    Korean Journal of Breeding Science.2021; 53(2): 177.     CrossRef
  • Analysis of Chronological Variation in Pedigree and Agronomic Traits of 325 Korean Rice Varieties
    Gihwan Yi
    Plant Breeding and Biotechnology.2020; 8(4): 426.     CrossRef
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내도복 단교잡 사료용 옥수수 신품종 ‘청다옥’
A New Single Cross Maize Hybrid for Silage and Grain, ‘Cheongdaok’ with Lodging Tolerance
Beom-Young Son, Seong-Bum Baek, Jung-Tae Kim, Jin-Seok Lee, Sun-Lim Kim, Gun-Ho Jung, Wook-Han Kim, Jae-Hwan Roh, Young-Up Kwon, Hee-Jung Ji, Chang-Suk Huh, Jong-Yeol Park
Korean. J. Breed. Sci. 2014;46(2):172-177.   Published online June 30, 2014
DOI: https://doi.org/10.9787/KJBS.2014.46.2.172

Cheongdaok, a new single maize (Zea mays L.) variety, was developed by the maize breeding team at the National Institute of Crop Science (NICS), RDA in 2010. This high-yielding hybrid was produced by crossing two inbred lines, KS159 and KS155. KS159 is the seed parent and KS155 is the pollen parent of Cheongdaok. It is a yellow dent maize hybrid. After the preliminary yield trial and advanced yield trial of Cheongdaok in Suwon for two years, the regional yield trial was subsequently carried out for evaluation of its growth characteristics and yield at four different locations from 2008 to 2010. The silking date of Cheongdaok is one day earlier than that of the check hybrid, Kwangpyeongok. Compared to Kwangpyeongok, the Cheongdaok show short in plant height and low in ear height ratio. It has resistance to lodging. The stay-green degree and the ear ratio of Cheongdaok are similar to Kwangpyeongok. It has moderate resistance to southern leaf blight (Bipolaris maydis) and strong resistance to northern leaf blight (Exserohilum turcicum). It has moderate resistance to black streaked dwarf virus (BSDV), ear lot, and corn borer. The dry matter yield 20.24 ton/ha and the total digestible nutrient (TDN) yield (13.80 ton/ha) of Cheongdaok were similar to Kwangpyeongok. The grain yield (8.51 ton/ha) of Cheongdaok was higher than that of Jangdaok. The seed production of Cheongdaok was well processed due to a good synchronization of flowering period during crossing between the seed parent KS159 and the pollen parent KS155, and the F1 seed yield was 1.8 ton/ha in Yeongwol.

Citations

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  • Changes and Prospects in the Development of Corn Varieties in Korea
    Seong-Bum Baek, Beom-Young Son, Jung-Tae Kim, Hwan-Hee Bae, Young-Sam Go, Sun-Lim Kim
    Korean Journal of Breeding Science.2020; 52(S): 93.     CrossRef
  • Effects of Seeding Dates on the Growth Characteristics, Dry Matter Yield and Feed Value of Teosinte New Variety, “Geukdong 6”〔Zea mays L. subsp. mexicana (Schrad.) H. H. Iltis〕
    Gyeong Suk Kim, Sang Moo Lee
    Journal of The Korean Society of Grassland and Forage Science.2019; 39(1): 9.     CrossRef
  • Growth Characteristics, Yield and Nutritive Values of New Teosinte, ‘Geukdong 6’
    Yong Cui, Eun Joong Kim, Sang Moo Lee
    Journal of The Korean Society of Grassland and Forage Science.2016; 36(2): 150.     CrossRef
  • Genetic Distance and Heterosis Degree Among the Developed Waxy Corn Lines
    Moon-Sub Lee, Jae-Hyeon Yang, Seung-Bin Lim, Hee-Bong Lee
    The Korean Journal of Crop Science.2015; 60(4): 464.     CrossRef
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New Cultivar Developed

‘Soim’ a High Yielding Edible Tender Leaves Producing Perilla Cultivar
Myoung-Hee Lee1*, Chan-Sik Jung3, Tae Jung Ha2, Suk-Bok Pae1, Jung-Dong Hwang1, Chang-Hwan Park3, Kang-Bo Shim2, Keum-Yong Park3, and Jin-Gon Ahn4
Korean. J. Breed. Sci. ;46(2):178-182.   Published online June 30, 2014
DOI: https://doi.org/10.9787/KJBS.2014.46.2.178
‘Soim’ is a new leaf vegetable perilla (Perilla frutescens var. japonica Hara) variety developed from the cross between Ipdeulkkae1 and YCPL173 at the Department of functional crop, NICS, RDA, in 2009. Uniform perilla leaf size is one of the most important characteristics for reduction of manpower. To harvest uniform perilla leaf, farmers cultivate just main stem and remove all branches. The next harvest leaves grow well, so farmers gain high leaf yielding and efficiency of harvest leaf. ‘Soim’ grows vigorously and yields high quality leaf with larger size of the next harvesting leaves compared with a check cultivar, ‘Ipdeulkkae1’. For the leaf production, ‘Soim’ is adaptable to whole arable land in South Korea. However, because of its late maturity, seed production cultures need rain shield. No. of breeder’s right: 4387.

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