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KOREAN JOURNAL OF BREEDING SCIENCE

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밀 줄녹병 저항성 유전 육종 주요 연구 동향
Research Advances in Wheat Breeding and Genetics for Stripe Rust Resistance
김경민(Kyeong-Min Kim),조성우(Seong-Woo Cho),강천식(Chon-Sik Kang),김경훈(Kyeong-Hoon Kim),최창현(Chang-Hyun Choi),손재한(Jae-Han Son),박철수(Chul Soo Park),모영준(Youngjun Mo)
KOREAN JOURNAL OF BREEDING SCIENCE Vol.52 NO.2/ 2020
93-103 (11 pages)
자연과학>생활/식품과학
Abstract
Stripe rust (or yellow rust) caused by Puccinia striiformis f. sp. tritici is the major wheat disease responsible for deterioratingglobal wheat yield and quality. Although stripe rust appears to be prevalent mainly in temperate areas, new races adapting to high temperaturehave recently appeared in warmer areas, such as Australia, the Middle East, and Africa, increasing the threat to global food security. Amongthe approximately 80 reported genes for stripe rust resistance, six (Yr5, Yr7, Yr15, Yr18, Yr36, Yr46) have been cloned. Stripe rust resistancegenes are generally classified into race-specific (or all-stage) and non-race-specific (or high temperature adult plant) resistance genes. Whileresistance conferred by most race-specific genes are overcome by the appearance of new pathogen races within few years, non-race-specificgenes, such as Yr18, Yr36, and Yr46, provide more durable resistance and are often stable for several decades. Yr18/Lr34/Sr57/Pm38 andYr46/Lr67/Sr55/Pm46 are especially useful in breeding as they confer resistance to leaf rust, stem rust, and powdery mildew as well as striperust. Unlike the extensive global research efforts, few studies have been conducted in Korea regarding breeding and genetics for stripe rustresistance. To prevent damage by stripe rust in advance, it is important to monitor the changes in major pathogen races in Korea, evaluatemajor wheat breeding lines and landraces for stripe rust resistance by establishing an efficient screening system, and introduce new germplasmwith various resistance genes. Reinforcing wheat molecular genetics and genomics capacity is also important to enable identification of newstripe rust resistance genes and efficient transfer of the novel genes into elite wheat cultivars using molecular markers.
반수체 밀 계통을 이용한 이삭 길이 관련 유전자좌 분석
Mapping of QTL for Spike Length in Doubled Haploid Population of Korean Wheats
강택규(Taek-Gyu Kang),김경민(Kyung-Min Kim),강성욱(Seong-Wook Kang),강천식(Chon-Sik Kang),전재범(JaeBuhm Chun),박철수(Chul Soo Park),조성우(Seong-Woo Cho)
KOREAN JOURNAL OF BREEDING SCIENCE Vol.52 NO.2/ 2020
104-114 (11 pages)
자연과학>생활/식품과학
Abstract
The objective of this study was to identify quantitative trait loci (QTL) of spike length by association analysis with 94 doubledhaploid wheat lines derived from Keumkang and Olgeuru. Days to heading date, culm length, spike length, and kernels per spike were evaluatedin 2017 and 2018 in upland conditions. Culm length and spike length were biased short culm length and spike length (skewness=0.2 and1.5, respectively). Kernel number per spike was biased low kernel number per spike (skewness=0.8). A genetic map was constructed with170 microsatellite marker loci. One QTL was detected for spike length. The QTL on chromosome 4A, qSL-1 was detected by Xwmc283and Xbarc327 explained 44.3% of the phenotypic variation. The QTL was applied to validate the relationship between genotypes of QTLand 29 Korean wheat cultivars grown for nine years under upland conditions. Korean wheat cultivars were classified into 5 types b ased onthe combination of the two SSR markers. In Korean wheat cultivars, genotype b at Xbarc327, which was homozygous to Keumkang, had ashorter spike length (7.48 cm) than genotype c, which was different from the genotypes of Keumkang and Olgeuru, (8.45 cm). The two Koreanwheat cultivars with genotypes ac at Xwmc283 and Xbarc327 had longer spike length (8.45 cm) than genotypes ba and bb (<7.42 cm).
호남평야지 재배시기별 조생종 벼 품종의 수량과 이삭 관련 형질 특성 분석
Characterization of Yield and Panicle-related Traits of Early Maturing Rice Varieties by Cultivation Times in the Honam Plain Area of Korea
박현수(Hyun-Su Park),서정필(Jung-Pil Suh),백만기(Man-Kee Baek),이창민(Chang-Min Lee),김우재(Woo-Jae Kim),이건미(Gun-Mi Lee),김석만(Suk-Man Kim),김춘송(Choon-Song Kim),조영찬(Young-Chan Cho)
KOREAN JOURNAL OF BREEDING SCIENCE Vol.52 NO.2/ 2020
115-130 (16 pages)
자연과학>생활/식품과학
Abstract
The cultivation of early maturing rice in the Honam plain area of Korea is increasing to diversify the cropping systems. The croppingsystems of this rice are usually classified as early, ordinary, and late cultivations based on transplanting time. The characteristics of varietiesvary depending on the cultivations. To evaluate the performance of varieties and interpret the relationships between genotype and environment,nine yield and 17 panicle-related traits of six early maturing rice varieties (Jopyeong, Odae, Unkwang, Haedamssal, Jinkwang, and Haedeul)were characterized on early, ordinary, and late cultivations. Heading date was longer in order of early, ordinary, and late cultivations. Thecumulative mean temperature of growth stage was similar for all cultivations. The variation in the number of spikelets per panicle (NS) wasmainly due to the variety and the traits related with secondary rachis-branch were affected more by variety than the traits related to primaryrachis-branch. The varieties with the highest yield were Haedamssal on early maturing cultivation and Unkwang on ordinary and late cultivations. Haedamssal displayed a panicle-number type plant architecture with relatively higher number of panicles per hill (PN) and average NS. Unkwangexhibited panicle-weight type with many NS and less PN. Additive main effects and multiplicative interaction analysis revealed that, NS andHD were mostly affected by genotype and environment, respectively. Among yield-related traits, NS contributed the most to enhanced yieldof varieties in all cultivations. NS could be the target trait of breeding programs intended to improve the yield potential of early maturingrice adaptable to the Honam plain area. However, proper PN should be considered because PN, which was negatively correlated with NS,also affected the yield.
이형접합 Pinb-D1 유전자형이 밀가루 이화학적 특성 및 가공 적성에 미치는 영향
Effect of Heterozygous Genotypes at the Pinb-D1 Loci on Physicochemical Properties of Flour and End-Use Quality
최창현(Chang-Hyun Choi),박진희(Jin Hee Park),모영준(Youngjun Mo),김경민(Kyung-Min Kim),김경훈(Kyung-Hoon Kim),강천식(Chon-Sik Kang),박태일(Tae-Il Park),조성우(Seong-Woo Cho),박철수(Chul Soo Park)
KOREAN JOURNAL OF BREEDING SCIENCE Vol.52 NO.2/ 2020
131-139 (9 pages)
자연과학>생활/식품과학
Abstract
An advanced F8 population was derived from a cross between the hard wheat cultivar “Keumkang” carrying Pinb-D1b and thesoft wheat cultivar “Olgeuru” carrying Pinb-D1a. A breeding line named “Hetero”, which exhibited the heterozygous-like Pinb-D1a/Pinb-D1bgenotype, was selected by sequence analysis and KASP (Kompetitive Allele Specific PCR) assay. Physicochemical and processing characteristicsof flour were tested in the Hetero line and compared with the two parental cultivars for two years. Hetero display a Glu-1 composition similarto Keumkang and a Glu-3 composition intermediate between Keumkang and Olgeuru. Contrary to the expectation that Hetero carrying thePinb-D1a/Pinb-D1b genotype would exhibit an intermediate phenotype between the two parents, its overall flour physicochemical characteristicswere more similar to Keumkang than to Olgeuru. The flour yield of Hetero (71.6%) was lower than that of Keumkang (74.5%). However,the flour particle size (73.3 μm) and damaged starch content (4.6%) of Hetero were similar to those of Keumkang (71.9 μm and 4.5%). The protein content (16.5%) and sodium dodecyl sulfate-sedimentation volume (72.8 mL) of Hetero were higher than those of Keumkang(14.0% and 57.5 mL) and Olgeuru (11.4% and 45.5 mL). The mixograph water absorption (68.7%) and mixing tolerance (17.7 mm) valuesof Hetero were higher than those of Keumkang (65.6% and 15.9 mm) with the same mixing time of 3.9 min. The bread loaf volume ofHetero was lower than that of Keumkang (866.7 vs. 894.7 mL). The cooked noodles hardness of Hetero was higher than that of Keumkang(5.9 vs. 4.7 N).
알파-리놀렌산 함량이 높고 소분지 직립초형인 종실들깨 ‘소담’ 육성
Development of Perilla Cultivar ‘Sodam’ with High Alpha-linolenic Acid Content and Upright Growth with Narrow Branch Angle for Edible Seeds
이명희(Myoung Hee Lee),김정인(Jung In Kim),김성업(Sung Up Kim),오은영(Eunyoung Oh),배석복(Suk Bok Pae),황정동(Chung Dong Hwang),송득영(Deuk Yung Song),오기원(Ki Won Oh),하태정(Tae Joung Ha),정찬식(Chan Sik Jung),곽도연(Do Yeon Kwak)
KOREAN JOURNAL OF BREEDING SCIENCE Vol.52 NO.2/ 2020
140-144 (5 pages)
자연과학>생활/식품과학
Abstract
Perilla has a long history of cultivation and consumption in Korea. Its cultivar ‘Sodam’, which is used for its oil and powder,was developed from a cross between two parents ‘K015926’ and ‘Miryang27’. The parents were crossed in 2004, and their progenies wereselected from F3 to F5 generations through pedigree method. Regional yield trials (RYTs) were conducted in four regions from 2012 to 2014. ‘Sodam’ is a light gray and small spherical-seeded cultivar. It matures earlier (October 2) than ‘Saeyeopsildeulkkae’, a standard cultivar, andthe numb er o f flower c lusters per plant as w ell as t he n umber o f ears p er c luster i s higher in ‘ Sodam’ t han in t he s tandard cultivar. Itsseeds contain approximately 46.4% crude fat, and the oil is rich (about 65.0%) in alpha-linolenic acid, an omega-3 fatty acid. ‘Sodam’ ischaracterized by upright plant growth with narrow branch angles. The average yield of this cultivar was 1.23 ton/ha in adaptable regions. ‘Sodam’ is expected to be a potential cultivar source for production of good quality perilla oil (Registration No. 6729).
숙기가 빠르고 식미가 우수한 단옥수수 ‘고당옥1호’
‘Godangok 1’, a Good Quality Sweet Single-Cross Corn Hybrid with High Sugar Content
김정태(Jung-Tae Kim),이진석(Jin-Seok Lee),손범영(Beom-Young Son),배환희(Hwan-Hee Bae),백성범(Seong-Bum Baek),정태욱(Tae-Wook Jung),김상곤(Sang-Gon Kim),김성국(Sung-Kook Kim),정건호(Gun-Ho Jung),김선림(Sun-Lim Kim),고영삼(Young-Sam Ko),이기범(Gibum Yi)
KOREAN JOURNAL OF BREEDING SCIENCE Vol.52 NO.2/ 2020
145-150 (6 pages)
자연과학>생활/식품과학
Abstract
‘Godangok1’, a sweet corn hybrid obtained by crossing the inbred KSE13 (female) and KSE37 (male), was developed by the maizebreeding team at the National Institute of Crop Science (NICS), Rural Development Administration, Korea, in 2016. ‘Godangok1’ has the sugaryenhancer (se) gene, and the ear is yellow-white. The number of days to silking of ‘Godangok1’ was 59, similar to ‘Danok3’ (check variety),but ear length and the ratio of kernel set length to ear length (18.7 cm and 96%, respectively) were superior to those of ‘Danok3’. The resistanceto Bipolaris maydis, Exserohilum turcicum, and Ostrinia furnacalis was similar to that exhibited by ‘Danok3’, whereas the lodging tolerancewas stronger than that of ‘Danok3’. The fresh ear yield of ‘Godangok1’ was 6,530 ears, with 1,139 kg per 10a, and the sugar content was20.8 °Brix. The hundred kernel weight was 27.4 g, smaller than that of ‘Danok3’. The flavor was excellent and assigned a sensory scoreof 5.7. Unique properties of ‘Godangok1’ coded by the recessive se gene are eliminated due to crosspollination when growing along withother types of corn such as general corn (sh, sh2, bt, etc.). Therefore, it must be isolated in time or space and harvested in order to producehigh-quality sweet corn (Registration No. 7506).
건식 쌀가루 특성이 개선된 ‘미시루’의 농업적 특성
Agricultural Characteristics of ‘Misiru’ with Improved Dry-Milling Rice Flour Trait
원용재(Yong-Jae Won),안억근(Eok-Keun Ahn),정국현(Kuk-Hyun Jung),홍하철(Ha-Cheol Hong),현웅조(Ung-Jo Hyun),박향미(Hyang-Mi Park),윤미라(Mi-Ra Yoon),이정희(Jeong-Heui Lee),서정필(Jung-Pil Seo),정응기(Eung-Gi Jeong),장재기(Jae-Ki Chang),곽지은(Ji-Eun Kwak),오세관(Sea-Kwan Oh)
KOREAN JOURNAL OF BREEDING SCIENCE Vol.52 NO.2/ 2020
151-157 (7 pages)
자연과학>생활/식품과학
Abstract
The rice cultivar ‘Misiru’, which is ideal for rice flour production by dry milling, was developed by the rice breeding team atthe National Institute of Crop Science (NICS), Rural Development Administration (RDA), Korea, in 2017 to vitalize the rice processing industry. It is derived from a cross between ‘Daeripbyeo1’ and ‘Seolgaeng’. ‘Misiru’ was grown on a middle plain area by ordinary cultivation methods. The heading date was on August 13, culm length was 85 cm, and there were 12 panicles and 112 spikelets per panicle. The ripened grainratio was lower than that of ‘Hwaseong’; however, the 1,000 brown rice weight was 30.8 g, about 8 g heavier than that of ‘Hwaseong’. ‘Misiru’ showed medium resistance to blast but susceptibility to bacterial blight, viruses, and insect pests. It was resistant to lodging, whereaspre-harvest sprouting rate and cold tolerance were similar to those of ‘Hwaseong’. The milled rice appeared non-glutinous opaque, with opaquegrain rate of 83.7%. The rice grain was soft and starch granules in the endosperm were of spherical type, similar to wheat. The grain contained6.4% protein and 18.6% amylose (the content of the latter was similar to that in ‘Hwaseong’). However, its milled rice recovery rate waslower than that of ‘Hwaseong’. The average size of dry-milling rice flour was 64.4 μm, and the rate of damaged starch was 5.2%, lowerthan that of ‘Hwaseong’. ‘Misiru’ milled rice yield was 5.66 MT/ha, 8% higher than the yield potential of ‘Hwaseong’. The cultivar ‘Misiru’is thus suitable for rice flour production by dry milling (Grant No. 7682).
자색종피 조숙 대립 다수성 풋땅콩 신품종 ‘세원’
A Red Skin and Large Grain Vegetable Peanut Cultivar, ‘Sewon’
배석복(Suk-Bok Pae),이명희(Myoung-Hee Lee),오은영(Eun-Young Oh),김성업(Sung-Up Kim),김정인(Jung-In Kim),여운상(Un-Sang Yeo),오기원(Ki-Won Oh),조광수(Kwang-Soo Cho),곽도연(Do-Yeon Kwank)
KOREAN JOURNAL OF BREEDING SCIENCE Vol.52 NO.2/ 2020
158-164 (7 pages)
자연과학>생활/식품과학
Abstract
A peanut cultivar ‘Sewon’(Arachis hypogaea ssp. fastigiata L.) was developed at the Department of Southern Area Crop Science,National Institute of Crop Science (NICS) in Milyang, Korea, in 2017. The cultivar is a cross between the Shinpung-type red skin ‘Charmwon’and the Virginia-type large grain ‘Milyang27’. ‘Sewon’, which is a Shinpung type of plant, had 13 branches per plant, main stem lengthof 35 cm, and branch length of 51 cm. Each pod contained two grains with red testa and a large and long ellipse-shaped kernel. The cultivaryielded 38 pods per plant, 113 g of 100-seed-weight (dry), and 1.73 seeds per pod in the regional yield trials (RYT). Crude oil accountedfor 35.2% and protein 31.7% of the seed. This cultivar was resistant to early leaf spot, and it was more resistant to late leaf spot, stemrot, and lodging when compared with that of the reference cultivar ‘Palkwang’. In the three-year-long regional yield trials, ‘Sewon’ was moreproductive than the reference cultivar; it yielded 11.97 MT/ha of fresh pod and 5.23 MT/ha of dry grain, corresponding respectively to 21%and 16% increase compared with those of ‘Palkwang’. ‘Sewon’ is a promising high yielding peanut with early maturing and cultural stability(Registration No. 7926).
4배체이면서 자가화합성으로 비가림하우스 재배에 적합한 구기자 신품종 ‘화수’
A Tetraploid, Self-compatible Goji Berry (Lycium chinense Miller) Cultivar, ‘Whasu’, Adaptable to Rain Shelter Greenhouse
주정일(Jung-Il Ju),윤덕상(Tug-Sang Yun),김수동(Su-Dong Kim),이보희(Bo-Hee Lee),박영춘(Young-Chun Park),김현호(Hyun-Ho Kim)
KOREAN JOURNAL OF BREEDING SCIENCE Vol.52 NO.2/ 2020
165-171 (7 pages)
자연과학>생활/식품과학
Abstract
The Goji berry line CBP06419-243 was selected from the hybrids (F1) between CBP03310-250 (IT232705) and CBP05399-1. Theline used for crossing was tetraploid induced by the colchicine treatment on bud. Preliminary yield tests using this line were performed from2009 to 2011, and the final selected line was named ‘Cheongyang 18’, which was subsequently registered under the name ‘Whasu’ in 2015. The specific characteristics of this cultivar are summarized as follows: The flowers are distinctly larger, fruit is medium in size, long oblong,and red, and flowering commenced on June 21. Branching by pruning generated less than the reference variety Cheongmyeong. The leafinfection rates by Eriophyes macrodonis Keifer were as high as 7.7%. Anthracnose on fruits in open field was slightly more severe comparedwith the reference cultivar, but the infection rates in rain shelter greenhouses was similar. The content of betaine and free sugar in dry fruitwas higher than that of the reference cultivar. The dry-fruit yield decreased about 13% in open field, but increased 18% in rain shelter greenhouses. The cultivar ‘Whasu’ is suitable for cultivation in rain shelter greenhouses because of self-compatibility and high yield. It is not necessarythe companion cultivar (Registration No. 6345).
통일형 벼 ‘신광’ 유래 키다리병 저항성 qBK1 유전자 보유 ‘MY299BK’ 육성
Development of ‘MY299BK’, a Cultivar Resistant to Bakanae Disease Harboring qBK1 Gene Derived From a Tong-il Type Rice ‘Shingwang’
조수민(Sumin Jo),이샛별(Sais-Beul Lee),허연재(Youn-Jae Hur),이지윤(Ji-Yoon Lee),조준현(Jun-Hyeon Cho),박노봉(No-Bong Park),신동진(Dong-Jin Shin),이종희(Jong-Hee Lee),손영보(Young-Bo Sohn),한상익(Snag-Ik Han),오성환(Seong-Hwan Oh),송유천(You-Chun Song),박동수(Dong-Soo Park)
KOREAN JOURNAL OF BREEDING SCIENCE Vol.52 NO.2/ 2020
172-178 (7 pages)
자연과학>생활/식품과학
Abstract
Bakanae disease is an important fungal disease caused by Gibberella fujikuroi. Incidence of rice bakanae disease creates seriousproblems in the foremost rice producing countries, affecting more or less all known rice cultivars. Breeding rice cultivars resistant to bakanaedisease will thus be a cost-effective alternative to the application of fungicides. ‘MY299BK’ was derived from a cross between YR24982-9-1and ‘Ilpum’ in 2008. A promising line, YR28297-1-38-1-1, was selected from among the progeny and designated Milyang299 in 2013. Thelocal adaptability test of Milyang299 was carried out at five locations from 2014 to 2016 and named ‘MY299BK’. The heading date of ‘MY299BK’was Aug. 15, typical for a medium-late maturing cultivar. Its culm was 71 cm long, there were 114 spikelets per panicle, and 1,000 grain-weightof brown rice was 23.4 g; these parameters were similar to those of Nampyeong. ‘MY299BK’ cultivar was resistant to blast and rice stripevirus, but susceptible to bacterial blight and insect pests. Its yield potential was about 566 kg/10 a at ordinary fertilizer level in a three-year-longlocal adaptability test. ‘MY299BK’ resistance to bakanae is conferred by the qBK1 gene derived from a tong-il type rice ‘Shingwang’ (RegistrationNo. 7651).
노랑종피 결각엽 녹두 품종 ‘삼황’
A New Mungbean Cultivar, ‘Samhwang’, with Yellow Seed Coat and Lobed Leaflets
김동관(Dong-Kwan Kim),최진실(Jin-Sil Choi),김선곤(Seon-Gon Kim),이경동(Kyung-Dong Lee),서민정(Min-Jung Seo),강범규(Beom-Kyu Kang)
KOREAN JOURNAL OF BREEDING SCIENCE Vol.52 NO.2/ 2020
179-183 (5 pages)
자연과학>생활/식품과학
Abstract
A new mung bean cultivar, Vigna radiata (L.) R. Wilczek ‘Samhwang’, was derived from a cross between ‘Samgang’ and‘KM9901-3B-15-2-4’ obtained in 2006 and developed at the Jeollanamdo Agricultural Research and Extension Services (JARES) in 2014. ‘Samhwang’ has an erect growth habit, lobed leaflets, green hypocotyls, light yellow corolla, and a dull yellow seed surface. Its stem lengthwas 64 cm, 5 cm shorter than that of the control cultivar ‘Owool’. The 1000-seed weight was 53 g, i.e., 4 g heavier than that of ‘Owool’. ‘Samhwang’ exhibited similar field resistance to mung bean mottle virus, cercospora leaf spot, powdery mildew, and lodging when comparedwith that of the control cultivar. The sprout yield ratio and hard seed rate were the same as those of ‘Owool’. The average seed yield of‘Samhwang’ was 1.76 ton/ha, which was 14% greater than that of ‘Owool’ (Registration No. 5877).
촉성재배에 적합한 딸기 품종 ‘금실’
‘Kuemsil’, a Strawberry Variety Suitable for Forcing Culture
윤혜숙(Hae Suk Yoon),진효정(Hyo Jeong Jin),오주열(Ju Youl Oh)
KOREAN JOURNAL OF BREEDING SCIENCE Vol.52 NO.2/ 2020
184-189 (6 pages)
자연과학>생활/식품과학
Abstract
A strawberry variety ‘Kuemsil’ was derived in 2007 as an artificial cross between ‘Maehyang’, a high fruit firmness variety and‘Seolhyang’, a high-yielding variety. The lines were selected from 2009 to 2011, and yield trials of ‘08MS-62’, the final selected line, wereconducted to evaluate its characteristics in forcing cultures from 2012 to 2015. After farmer field trials in 2016, the line was renamed ‘Kuemsil’. The general characteristics of ‘Kuemsil’ include upright growth habit, elliptical leaves, and strong vigorous growth. The fruit are conical andlight red. This variety is suitable for forcing culture because of the early flower bud differentiation (late August), early first harvest (late November),and continuous formation of next flower clusters. The first cluster bore about 22.4 fewer flowers compared with those of the check varieties(‘Maehyang’ and ‘Seolhyang’), which could reduce the labor cost needed for fruit thinning. ‘Kuemsil’ was high in sugar content (11.1 °Bx)and had optimal fruit firmness (21.9 g/mm2), which is comparable to ‘Seolhyang’. The fruit weight was about 24.6 g, higher than that of thecheck varieties. The marketable yield was 566.9 g, 14% higher than that of ‘Maehyang’ and 13% less than that of ‘Seolhyang’. Unlike ‘Maehyang’,which is harvested in unripe stage, ‘Kuemsil’ fruit should be harvested at 80% coloration to intensify their deep flavor. ‘Kuemsil’ is more susceptibleto Phytophthora crown rot compared with the check varieties, which requires complete disinfection of the soil area (or substrate) of the crownrot. ‘Kuemsil’ was registered with the Korea Seed and Variety Service (KSVS) for commercialization in 2018 (Registration No. 7345).
만생 복합내병충성 고 바이오매스 사료용 벼 ‘청우’
‘Cheongwoo’, Late Maturing, Multiple Disease and Insect Resistant, High Biomass Yielding Rice Cultivar for Whole Crop Silage Use
안억근(Eok-Keun Ahn),강경호(Kyung-Ho Kang),원용재(Yong-Jae Won),정국현(Kuk-Hyun Jung),현웅조(Ung-Jo Hyun),정응기(Eung-Gi Jeong),박향미(Hyang-Mi Park),이점호(Jeom-Ho Lee),장재기(Jae-Ki Chang),이정희(Jeong-Heui Lee),정종민(Jong-Min Jeong),서정필(Jung-Pil Suh)
KOREAN JOURNAL OF BREEDING SCIENCE Vol.52 NO.2/ 2020
190-199 (10 pages)
자연과학>생활/식품과학
Abstract
‘Cheongwoo’, a late maturing, high biomass-yielding rice (Oryza sativa L.) cultivar with high feed value and multiple disease andinsect resistance, was developed for whole crop silage (WCS) use. It was derived from a cross between a high biomass and multiple diseaseresistant line ‘Suweon519’ and early flowering, high-yielding Tong-il type cultivar ‘Gaya’, which exhibited a brown planthopper (BPH) broadresistance conferred by Bph3 and BPH26. The cultivar was characterized by growth period from seeding to heading of about 130 days, culmlength of 87 cm, panicle length of 29 cm, 12 panicles per hill, 135 spikelets per panicle, and 1,000-grain weight of brown rice of 21.4 gin the central plain region, Suwon. This long-leaved green WCS rice variety was sensitive to cold stress, similar to ‘Nokyang’, b ut r esistantto premature germination, and germinated well under low temperature conditions. Furthermore, ‘Cheongwoo’ exhibited high lodging resistanceat the yellowing stage, the optimal period for harvesting in the field. Additionally, ‘Cheongwoo’ was resistant to leaf and neck blast, bacterialblight (races K1, K2, K3, K3a), rice stripe virus, BPH, and small BPH. Its average dry matter yield for three years reached 20.6 MT/ha,38% higher than that of ‘Nokyang’. The content of crude protein (5.32%) and total digestible nutrients (71.2%) was higher than that in ‘Nokyang’. On the Korean Peninsula, ‘Cheongwoo’ grows well in central and southern plains, and should be optimally harvested between 15 and 30days after heading to improve its feeding value and digestion rate in livestock (Grant No. 7662).
팁번에 강하고 다수성 청치마 상추 ‘삼복하청’ 육성
Breeding of Lettuce ‘Sambokhacheong’ Tolerant to Tipburn and with Good Yield
장석우(Suk-Woo Jang),박수형(Su Hyoung Park),이종남(Jong-Nam Lee),서명훈(Myeong-Hoon Seo),김대균(Dae-Gyun Kim),이민정(Min-Jeong Lee),정택구(Taek-Gu Jeong),인민식(Min-Sik In),이중원(Jung-Won Lee),김은지(Un-Ji Kim),김희대(Hee-Dae Kim),박보경(Bo-Gyung Park),고순보(Sun-Bo Ko)
KOREAN JOURNAL OF BREEDING SCIENCE Vol.52 NO.2/ 2020
200-205 (6 pages)
자연과학>생활/식품과학
Abstract
A new lettuce (Lactuca sativa L.) with elliptic and dark green leaves, ‘Sambokhacheong’, which is tolerant to tipburn with goodyield, was developed from a cross between ‘Meokchima’ (dark red leaves) and ‘Yeoreumcheongchima’ (high yield, green leaves). The crossingand selection for advanced lines was conducted by the pedigree method in 2006-2012. The advanced lines were evaluated for yield andadaptability at several locations in Korea (Gangwon-do, Gyeonggi-do, Chungcheongbuk-do, Chungcheongnam-do, Jeollabuk-do, Gyeongnam-do,and Jeju-do) over three years starting from 2015. The evaluations revealed that this lettuce was early- and medium-maturing leaf lettuce,with a shelf-life of four weeks at 4 ℃, longer than that of ‘Yeoreumcheongchima’. ‘Sambokhacheong’ showed no symptoms of tipburnduring hot seasons in the southern parts of South Korea compared ‘Yeoreumcheongchima’. The content of bitter sesquiterpene lactones (latucin,latucin+8-deoxylactucin+lactucopicrin) of ‘Sambokhacheong’ at 57.16 (μg/g, dry weight) was higher than that of ‘Yeoreumcheongchima’. Compared with ‘Yeoreumcheongchima’, the marketable yield of ‘Sambokhacheong’ was 2% higher (at 551 g per plant) and showed late boltingat 111 days after sowing in the summer cultivation season. Its leaves are better, crispier, and sweeter than those of ‘Yeoreumcheongchima’. Therefore, we recommend the new cultivar ‘Sambokhacheong’ for cultivation in hot seasons (Registration No. 6915).
Shuttle Breeding을 통한 벼 내냉성 유전자원 ‘중모1022’
Development of Cold Tolerance Genetic Resource ‘Jungmo1022’ through Shuttle Breeding in Rice
김정주(Jeong-Ju Kim),정응기(Eung-Gi Jeong),정종민(Jong-Min Jeong),이정희(Jeong-Heui Lee),조영찬(Young-Chan Cho),정오영(O-Young Jeong),서대하(Dae-Ha Seo)
KOREAN JOURNAL OF BREEDING SCIENCE Vol.52 NO.2/ 2020
206-211 (6 pages)
자연과학>생활/식품과학
Abstract
‘Jungmo1022’, a japonica rice cultivar, was developed by a cross between ‘Jinbu31’ (IT212616) and ‘Gyodong23’ (IT213764) bythe rice breeding team at the National Institute of Crop Science, Korea, in 2000. ‘Jinbu31’ is tolerant to cold, and ‘Gyodong23’ is earlymaturing with high yield potential. The growth period of ‘Jungmo1022’ in paddy fields was 116 days on the North-middle highland in Korea,shorter than that of ‘Jinbu’. The culm length of ‘Jungmo1022’ was 67 cm, which was 2 cm shorter than that of ‘Jinbu’. There were 91spikelets per panicle in ‘Jungmo1022’. The elite line was developed by shuttle breeding in a cold screening field at Chuncheon and highlandJinbu sites in order to screen for cold tolerant varieties. Forty-five lines with more than 50% fertility were selected from the F2 generationin the cold screening field, and the line SR28990-B-2-2-2 was selected by the pedigree breeding method through F3-F7 generations cultivatedon the North-middle highland in Jinbu. During the yield trial conducted in 2008-2009 yield trial, an early heading, high-yielding, and coldtolerant line ‘Jinbu 48’ was selected for the local adaptability tests conducted from 2010 to 2012. The early maturing and cold-tolerant ‘Jinbu48’ was superior to ‘Jinbu’ in exhibiting shorter heading delay, reduced culm length, and spikelet fertility under cold temperature. The newline showed a milled rice productivity of 5.69 MT/ha at Jinbu sites under North-middle highland cultivation and was registered as a newcultivar ‘Jungmo1022’ (Registration No. 5563).
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