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토마토의 側枝發生 및 生育에 미치는 植物生長 調節物質의 效果
權宇生,姜忠吉,李政明 慶熙大學校 1980 論文集 Vol.10 No.-
The present experiment was conducted to investigate the effect of several growth regulators on the growth and branching habit of pinched and nonpinched tomato plants (Lycopersicum esculentum Mill cv. Daehyung-boksoo). The results are as follows. 1. Spray of NAA decreased the number and fresh weight of axillary shoots of intact seedlings without influencing the main shoot growth. 2. TIBA decreased apical dominance of intact seedlings with little or no influence on the whole plant growth. In the pinched plants, however, TIBA caused severs growth inhibition as well as the decrease in apical dominance. 3. SADH treatment caused growth inhibition and increased apical dominance. SADH may be used only to obtain compact seedlings prior to transplanting. 4. GA promoted early growth and increased plant fresh weight. On the contrary, the apical dominance of GA-treated plants was decreased as compared to the control. 5. Ethephon at 500 ppm caused severe chlorosis and leaf abscission. The ethephon effect persisted for about 2 weeks after spraying.
합성옥신물질 5,6-Cl_(2)-IAA에 의한 사철나무와 주목 녹지삽수의 발근촉진
權宇生,崔光泰,加藤彰一,李政明 경희대학교 부설 식량자원개발연구소 1992 硏究論文集 Vol.13 No.-
The promotive effect of rooting with a newly developed synthetic auxin, 5, 6-dichloro-indole acetic acid (5, 6-Cl_(2)-IAA), was investigated with softwood cuttings of Euonymus japonicus Thunb, and Taxus cuspdata Sieb. et Zucc. Dipping the basal end of cuttings in 5, 6-Cl_2-IAA solutions of different concentrations enhanced the rooting of Euonymus japonicus cuttings in sand medium under mist propagation bench. Treatment of 100 ppm 56-Cl_2-IAA was more effective than IBA treatment at the same concentration. In Tuxus cuspidata,, significant rooting promotion was obtained with 10- 100 ppm basal dippings in solutions of both 5, 6-Cl_(2)-IAA and IBA. However, the root elongation appeared to be promoted by low concentrations of 5,6-CL-IAA as compared to that of IBA treated cuttings.
權宇生,李政明 경희대학교 부설 식량자원개발연구소 1991 硏究論文集 Vol.12 No.-
Experiments were conducted to isolate and identify substances responsible for dormancy and seed germination of dehisced seeds of ginseng (Panax ginseng C. A. Meyer). Radish cotyledon expansion bioassay revealed that the seed extract did contain a considerable amount of cytokinin-like substances and these substances were apparently decreased during the low temperature storage. GA-like activities were also found in the extract and these activities increased during the low temperature storage of dehisced seeds. TLC analysis of the purified extract exhibited several bands with none of them identical to the tested cytokinins; zeatin, zeatin riboside, kinetin and benzyladenine. The band, corresponding to Rf 0.36 in the TLC plate, showed definite cytokinin activities even after the several steps of purification.
토마토의 側枝發生 및 生育에 미치는 植物生長 調節物質의 效果
權宇生,姜忠吉,李政明 경희대학교 부설 식량자원개발연구소 1978 硏究論文集 Vol.1 No.-
The present experiment was conducted to investigate the effect of several growth regulators on the growth and branching habit of pinched and nonpinched tomato plants (Lycopersicum esculentum Mill cv. Daehyung-boksoo). The results are as follows. 1. Spray of NAA decreased the number and fresh weight of axillary shoots of intact seedlings without influencing the main shoot growth. 2. TIBA decreased apical dominance of intact seedlings with little or no influence on the whole plant growth. In the pinched plants, however, TIBA caused severe growth inhibition as well as the decrease in apical dominance. 3. SADH treatment caused growth inhibition and increased apical dominance. SADH may be used only to obtain compact seedlings prior to transplanting. 4. GA promoted early growth and increased plant fresh weight On the contrary, the apical dominance of GA-treated plants was decreased as compared to the control 5. Ethephon at 500 ppm caused severe chlorosis and leaf abscission. The ethephon effect persisted for about 2 weeks after spraying
Woo Saeng Kwon(權宇生),Chan Moon Chung(鄭燦文),Yo Tae Kim(金鐃,泰),Kwang Tae Choi(崔光泰) 한국육종학회 1991 한국육종학회지 Vol.23 No.3
This study was carried out to clarify the characteristics of 5 superior lines. selected for development of varieties of ginseng(Panax ginseng C. A. Meyer) The growth of 2-year-old superior lines was better than that of Jakyungjong and KG 102 line among them showed the most vigorous growth. And 4-year-old superior lines also showed vigorous growth in aerial parts. Especially, KG 102 line showed short and multiple stems. Crude saponin and ginsenoside contents were found in a high yield in both taproot and lateral root of KG 103 line and ginsenoside contents were also found in a high yield in lateral root of KG 104 line. Ginsenoside -Rb₁ and -Rg₁ were found in a high yield in the taproot of KG 101,102,103 and 104 lines but in a low yield in Jakyungjong and Hwangsookjong. Ginsenosides -Ra and -Ro were found in a high yield in the taproot of KG 101 line but were not found in KG 104 line. Hwangsookjong showed the low yield of crude saponin and ginsenosides but ginsenoside pattern was uniform. Anthocyanin contents were found in a high yield in aerial parts of KG 103 line.
Woo Saeng Kwon(權宇生),Jang Ho Lee(李璋浩),Je Yong Kang(姜齊瑢),Yo Tae Kim(金鐃,泰),Kwang-Tae Choi(崔光泰) 한국육종학회 1994 한국육종학회지 Vol.26 No.4
In order to clarify the characteristics of red ginseng quality of Jakyung-jong(violetstem variant) and Hwangsook-jong(yellow-berry variant) in Panax ginseng, the red ginseng grades were classified. The ratio of Chun-sam(Heaven grade) was higher in Hangsook-jong than in jakyung-jong, and Chun-sam was also degraded to poor quality, jee-sam and Yang-sam, by second classification. Poor quality of red ginseng was caused by inside white, inside cavity, cracking, poor rhizome, and so on. Especially, the ratio of inside white showed the highest among them, and was higher in Jakyung-jong than in Hwangsook-jong. And it was found that the high quality red ginseng was larger in Hwangsook-jong than in Jakyung-jong.
인삼(Panax ginseng C.A. Meyer) 신품종 고풍의 육성경과 및 생육특성
권우생(Woo-Saeng Kwon),이장호(Jang-Ho Lee),박찬수(Chan-Soo Park),양덕춘(Deok-Chun Yang) 고려인삼학회 2003 Journal of Ginseng Research Vol.27 No.2
To develop a new ginseng variety with good quality and high yielding, a lot of individual ginseng plant were selected in the farmers' fields in 1968. Among them, a promising line, 680-83-4, has been developed through comparative cultivation of several lines selected with pure line separation from local races in KT&G Central Research Institute, preliminary and advanced yield trials were performed for 8 years. 680-83-4 was designated as KG103, which was then registered as a new variety “Gopoong” with the regional yield and adaptation trials for 10 years (1981-1990) on December<br/> 27, 2000 in Korea. Gopoong has different phenotype of a dark violet stem and dark red fruit and inverted triangle shape of berries cluster as compared with other varieties. Taproot of Gopoong was longer than local race Jakyungjong, and root yield was 4.5% higher than local race Jakyungjong. In red ginseng quality, the rates of Chun-Jeesam grade(Chun and Jee means 1st and 2nd grade, respectively) were 16.6% and 9.4% for Gopoong and Jakyungjong, respectively. In these results, it was that Gopoong was superior ginseng line with good quality for manufacture of red ginseng.