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油菜粕 飼料化를 위한 有害成分(glucosinolate) 改良育種에 관한 硏究 Ⅲ. 3-butenyl 및 4-pentenylisothiocyanate 含量의 遺傳
Jin Ki Bang(方鎭淇),Jung Il Lee(李正日),Kyung Soo Min(閔庚洙),Seung Pyo Rho(盧承杓),Sang Kon Kim(金祥坤) 한국육종학회 1987 한국육종학회지 Vol.19 No.2
To obtain the basic information for improving the quality of rapeseed meals, the inheritance of 3-butenly-isothiocyanate and 4-pentenylisothiocyanate content was estimated in the study of reciprocal crosses among the low glucosinolate Korean variety Youngsan and 3 other high glucosinolate varieties. The segregation ratio of 3-butenylisothiocyanate content was fitted to the ratio of 63:1, and the low 3-butenylisothiocyanate content of seed meal was considered to be controlled by three pairs of recessive genes. The low 4-pentenylisothiocyanate content of seed meal would be controlled by four pairs of recessive genes. The inheritance of 3-butenyl and 4-pentenylisothiocyanate content were influenced by the cytoplasm. The cytoplasmic influence was also detected in the inheritance of 3 butenyl and 4-pentenylisothiocyanate content.
Gae Soo Ahn(安桂洙),Byung Sun Kwon(權炳善),Seung Pyo Rho(盧承杓) 한국육종학회 1990 한국육종학회지 Vol.22 No.1
This study was carried out for estimating genetic parameters, such as heritabilities, the phenotypic and genotypic correlations of major agronomic characters with 17 cultivars in forage rape. Heritabilities of plant length, number of main stem leaves, fresh yield, total dry matter yield, stem dry matter yield, and leaf dry matter yield were higher, but that of stem diameter were relatively lower. The genotypic correlation coefficients between total dry matter yield and plant length, stem diameter, number of main stem leaves, fresh yield, stem dry matter yield and leaf dry matter yield showed highly positive correlation, those characters gave high direct effect as same level in path coefficient analysis.
油菜粕 飼料化를 위한 有害成分(glucosinolate) 改良 育種에 관한 硏究 Ⅶ. 油菜粕의 glucosinolate 含量 遺傳
Jin Ki Bang(方鎭淇),Jung El Lee(李正日),Kyung Soo Min(閔庚洙),Seung Pyo Rho(盧承杓) 한국육종학회 1988 한국육종학회지 Vol.20 No.1
To obtain the basic information for improving the quality of rapeseed meals, the inheritance of total glucosinolate content was estimated in the study of reciprocal crosses among the low glucosinolate Korean variety Youngsan and three other high glucosinolate varieties. The segregation ratio of total glucosinolate content was fitted to the ratio of 63:1 in F₂, and the low glucosinolate content of seed meal was considered to be controlled by three pairs of recessive genes. The genes controlling the three compounds were not segregated independently. The cytoplasmic influence was also detected in the inheritance of glucosinolate content.
油菜粕 飼料化를 위한 有害成分(glucosinolate) 改良育種에 關한 硏究 第2報. 油料用 brassica屬 作物의 登熟中 有害成分 含量變異
Jin Ki Bang(方鎭淇),Jung Il Lee(李正日),Kyung Soo Min(閔庚洙),Sang Kon Kim(金祥坤),Seung Pyo Rho(盧承杓) 한국육종학회 1986 한국육종학회지 Vol.18 No.4
The major aim of the investigation was to study the variation of glucosinolates content among the Brassica species such as rape, turnip and mustard, during their grain filling Of the three Brassica species, rapeseed meals had the lowest total glucosinolate content. Volatile isothiocyanates in seed meals of three Brassica species were calculated as 3-butenylisothiocyanate and 4-pentenylisothiocyanate. The content of isothiocyanate increased progressively from 30 to 50 days after flowering in all species. 5-vinyl-2-oxazolidinethione content of two Brassica species such as rape and turnip, increased rapidly from 35 days after flowering, after which there was a little change during the remainder of the grain filling period. On the other hand, 5-vinyl-2-oxazolidinethione was not found in the seed meals of mustard. In rape two interest cultivars, Yeongsanyuchae and Bronowski were found which revealed a very low isothiocyanates and 5-vinyl-2-oxazolidinethione contents.
油菜 脂肪酸組成 改良育種에 關한 硏究 XIX. 高ㆍ低에루진酸含有 油菜品種의 隔離程度에 따른 脂肪酸 組成變化
Jung Il Lee(李正日),Byung Sun Kwon(權炳善),Sang Gon Kim(金祥坤),Jin Ki Bang(方鎭淇),Seung Pyo Rho(盧承杓) 한국육종학회 1985 한국육종학회지 Vol.17 No.1
The objectives of this study were to investigate variations of erucic acid content due to isolated distance of zero erucic acid varieties from high erucic acid variety and to determine the rates open-pollinated and crossed between zero and high erucic acid varieties when planted on the same area in producing rapeseed. Fourteen varieties with zero erucic acid and one high erucic acid variety were used in the experiment. Selfing was the most effective for maintaining zero erucic acid varieties. When planted 10m, 100m, 500m and 1,000m apart from high erucic acid variety, seed of zero erucic acid varieties had 4.8%, 3.9%, 3.1% and 0.4% in average of erucic acid content, respectively. The range of the 14 varieties was from 1.6% to 10.2% according to the varieties. Thus recommendable distance isolated from high erucic acid variety was 1km for economic seed production of rape seed varieties with zero erucic acid variety. However, Youngsanyuchae, which is zero erucic acid variety, had 24.2% erucic acid when planted in isolated island of Jeju due to crossing with volunteers which were high erucic acid varieties cultivated before. It is recommended that zero erucic acid varieties should be planted over 1km isolated field just after completely removing the volunteenrs plants of high erucic acid for pure seed production of zero erucic acid varieties.
細胞質 遺傳子的 雄性不稔系統을 利用한 油菜 heterosis 育種에 관한 硏究 Ⅶ. 三元 交雜種 育成을 위한 莖片組織培養技術의 利用
Jung Il Lee(李正日),Jin Ki Bang(方鎭淇),Yong Hwan Park(朴用煥),Bong Ho Lee(李奉鎬),Rae Kyeong Park(朴來敬),Seung Pyo Rho(盧承杓) 한국육종학회 1988 한국육종학회지 Vol.20 No.2
This study was conducted to develope three way cross hybrid using MS maintainers derived from stem tissue culture. Seven maintainer lines of complete male sterility(100%)have been obtained and complete plants were obtained 98% by stem tissue culture. Ten differentiated plants could be obtained from one segment. The multiple shoots without roots could be divided into individual shoot and then transfered to vermiculite teralium box in order to get complete plants. The maintenance of MS lines and the production stability of three way cross hybrids could be possible by this method. Three way cross hybrids would be produced using different genetic constitution lines including MS line and its maintainer and restorer lines through tissue culture of lines with 100% male sterility maintaining ability. Commercial three way cross hybrid seed for 12,600ha could be produced from 105ha MS seed(F₁) production field through tissue culture of MS line and its maintainer MS line for seed production to be planted on 10a.
盧承杓 木浦大學校沿岸生物硏究所 1989 沿岸生物硏究 Vol.6 No.1
1. 干拓地 목화栽培時 vinyl mulching은 地表의 蒸散을 抑制 水分이 잘 保存됨에 따라 鹽分을 溶解시켜 vinyl mulching을 하지 않은 土壤의 0.39%보다 0.2% 낮아진 0.19%內外로 나타났다. 2. 목화의 安全多收穫을 위한 育苗移植栽培時 適正한 育苗期間은 30日程度가 가장 바람직 하였다. 3. 干拓地 목화播種 및 栽培方法에 따른 安全多收穫은 pot 育苗移植이 좋겠으나 生産費節減을 위한 勞動力을 줄이면서 省力化 方案으로는 高畦直播밭 흙覆土가 有利할 것으로 思料된다. The studies was intended to know the safe high yielding culture of cotton in polderland. The experiment were conducted under the growing seedling period and the transplanting method in vinyl mulching. The salinity was lower 0.20% vinyl mulching soil (0.19%) than non-vinyl mulching soil (0.39%). The adequate period of the growing seedling period were 30 days. The cultivation method for the safe high yield of cotton in polderland was transplanting by pot, But the culture for labour-saving was thought profitable the cultivation of mulching by upland soil after sowing on high ridge.