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연구보문 : 벼 DUS-Test를 위한 표준품종 선정에 관한 국제연락시험
양창인 ( Chang Ihn Yang ),정오영 ( O Yeong Jeong ),이점호 ( Jeom Ho Lee ),서정필 ( Jung Pil Suh ),조영찬 ( Young Chan Cho ),김연규 ( Yeon Gyu Kim ) 한국국제농업개발학회 2011 韓國國際農業開發學會誌 Vol.23 No.1
This study was carried out to evaluate field performance of example rice varieties in multi-location for DUS-test. We are participating in the International Nursery Test for Selecting Example Varieties for Distinctness, Uniformity, and Stability Test(INEVDUST) as one of items in International Network for Genetic Evaluation of Rice(INGER) organized by IRRI. During 2007-2008, 56 example varieties were investigated based on UPOV Guidelines for 16 agronomic characters such as leaf anthocyanin coloration of auricles, time of heading, attitude of blade in flag leaf, density of pubescence of lemma, antocyanin coloration of apex in lemma, color of stigma, stem length, antocyanin coloration of nodes, distribution of awns in panicle, length of main axis in panicle, panicle attitude in relation to stem, attitude of branches in panicle, decorticated grain length, grain width, grain shape, grain color and grain aroma. Auricles of WC 1240 and IR 69682-132-1-1-2 were purple coloration and eight varieties like DV35, K 39-96-1-1-1-2 had smooth hull. Purple nodes in stem were observed in K39-96-1-1-1-2, DV 85 and WC 1240. The peak of heading days was between 111-120 days. Semi-uplight type in panicle attitude in relation to stem occupied 48% and semi-errect type in panicle attitude of branches was 61%. 56 example varieties were divided into six groups with parameters of 16 traits.
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병에 강하고 수량성이 높은 중만생 흑미 품종 ‘제이제이603블랙’
박현수(Hyun-Su Park),이창민(Chang-Min Lee),서정환(Jeonghwan Seo),박재령(Jae-Ryoung Park),백만기(Man-Kee Baek),정오영(O-Yeong Jeong) 한국육종학회 2022 한국육종학회지 Vol.54 No.4
“JJ603Balck” is a mid-late maturing high-yielding black rice having multiple-disease resistance. It was developed to increase the yield and disease resistance of Korean black rice. “JJ603Black” was derived from a cross between “Heughyang” and BC2F1 plants (Hopum*3/SR30075-1-12-6-1-1-1). “Heughyang” is a mid-late black rice with a short culm, while “Hopum” is a mid-late maturing rice cultivar with high yields and premium quality, and “SR30075” is a pyramid line carrying three bacterial blight resistance genes. “JJ603Black” was selected through the pedigree method, yield trials, and local adaptability tests, with a high selection pressure for black pericarp, resistance to bacterial blight K3a race, and high yield performance. The heading date of “JJ603Black” was August 19, 8 d later than that of “Heugnam,” which is the standard cultivar for black rice. “JJ603Black” is a cultivar tolerant to lodging with erect plant architecture. It showed multiple-disease resistance against bacterial blight and rice stripe virus owing to introgression resistance genes, Xa3+Xa21+Stvb-I; moreover, its yielding performance was high. The average brown rice yield of “JJ603Black” from 2016 to 2018 was 6.02 MT/ha, which was 14% more than that of “Heugnam” (5.30 metric/ha). Further, the anthocyanin content of “JJ603Black” (58 mg/100 g) was higher than that of “Heugnam” (51 mg/100 g). Therefore, “JJ603Black,” a high-yielding black rice cultivar with multiple-disease resistance, can be utilized for enhancing the disease resistance and yield of Korean black rice (Registration No. 7274).
KCI
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