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정찬식(Chan Sik Chung),권일찬(Yil Chan Kwon),김병주(Byung Joo Kim),한원영(Won Young Han),곽용호(Yong Ho Kwack),임무상(Moo Sang Lim),손창기(Chang Ki Son),이야성(Ya Seong Lee) 한국육종학회 2002 한국육종학회지 Vol.34 No.1
A new pea variety, Olwandu , was developed at the National Yeongnam Agricultural Experiment Station (NYAES) in 1998. Olwandu was selected from a cross Sparkle/Wensume in 1987. The advanced and regional yield trials were carried out from 1994 to 1995 and
Sang Ik Han(韓尙益),Hyun Tae Kim(金賢泰),Yil Chan Kwon(權一瓚),Chang Kie Park(朴昶璂),Yong Ho Kwack(郭龍鎬),Ill Kyung Chung(鄭鎰炅) 한국육종학회 1997 한국육종학회지 Vol.29 No.1
This study was conducted to determine the pattern of self-incompatibility through self-and cross-pollination in two varieties of herbaceous peony (Paeonia lactiflora Pallas). After self-pollination with the pollens of same variety, pollen tubes have germinated and grown into style tissue. However, the pollen tubes have arrested the growth in the mid of growing stage. This pattern was a different from that of sporophytic self-incompatibility. In the case of sporophytic self-incompatibility, self-pollinated pollens are not germinated on the style in normal, but if the pollens do, they do not penetrate into style tissue. From these phenomena, the pattern of self-incompatibility in herbaceous peony is assumed gametophytic self-incompatibility. For more precise research, protein analysis using SDS-PAGE and RNase activity stain gel electrophoresis was conducted. In SDS-PAGE analysis, two major proteins (21.5 and 28-kDa) was detected, and ribonuclease activity was tested in activity stain gel. Ribonucleatic activity is a unique characteristic of stylar proteins of gametophytic self-incompatibility plants reported previously. From these results, we concluded that P. lactiflora has a gametophytic self-incompatibility.
大豆屬(Glycine spp.)의 形態的 特性에 의한 類緣關係 分析
In Youl Baek(白寅烈),Doo Chull Shin(申斗澈),Hyun Tae Kim(金賢泰),Hyung Soo Suh(徐亨洙),Yong Ho Kwack(郭龍鎬),Yun Jin Oh(吳潤鎭) 한국육종학회 1997 한국육종학회지 Vol.29 No.2
Discovery and transfer of useful characters of wild species into the elite lines may facilitate the development of crop varieties with broad genetic bases. In this study, morphological relationships among fourteen Glycine species was analyzed on basis of twenty-five morphological characters. The upper five principle components contracted from twenty-five morphological characters by the principle component analysis accounted for about 72% of the total variation. The subgenus Soja; G. max, G. gracilis, and G. soja were clearly seperated from the subgenus Glycine; G. arenaria, G. falcata, G. canescens, G. latifolia, G. microphylla, and G. tomentella by the scatter diagrams distributed on the plane of the first and second or the first and third principle components. The cluster analysis and morphological characteristics of G. cyrtoloba and G. curvata were very similar, but they are distinguished from tri-compound leaves at the unifoliate leaf node. Fourteen Glycine species could be classified into eight major groups at the average distance of 0.75 and fourteen sub-groups at the average distance of 0.45, that is, into Group Ⅰ: G. max; Group Ⅱ: A: G. gracilis, B: G. soja; Group Ⅲ: G. microphylla; Group Ⅳ: G. tomentella (2n=38, 40, 78, 80) ; Group Ⅴ: A: G. tabacina (2n=120), B: G. tabacina(2n =40, 80) ; Group Ⅵ: A: G. clandestine, B: G. canescens; Group Ⅶ: A: G. latifolia, B: G. tabacina (2n=40), G. latrobeana, C: G. cyrtoloba, G. curvata; and Group Ⅷ: A: G. falcata, B: G. arenaria.
방울비짜루(Asparagus oligoclonos) 로부터 분리한 스테로이드 사포닌의 항균활성
오세량,박승용,곽용호,성재덕,김금숙 한국농화학회 2000 Applied Biological Chemistry (Appl Biol Chem) Vol.43 No.2
Two steroidal saponins were isolated from MeOH extract of the rhizomes of Asparagus oligoclonos. Using the spectroscopic techniques of ¹H, ^(13)C NMR and 2D NMR, they were identified as 3-O-[β-D-glucopyranosyl-(1→2)-β-D-glucopyranosyl]-(25S) -spirostan-3β-ol and 3-O-[β-D-glucopyranosyl-(1→2)-[β-D-xylopyranosyl-(1→4)]-β-D-glucopyranosyl]-(25S)-spirostan-3β-ol, respectively. They were first isolated from A. oligoclonos. The in vitro antibacterial activities as well as antibacterial spectrums against 20 bacteria strains were investigated with MIC test. Both saponins inhibited the growth of 10 bacteria strains at the concentration of 100㎍/㎖.