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韓鏡秀,崔震龍 慶尙大學校 1975 論文集 Vol.14 No.-
安全 多收性 小豆 品種 育成을 위한 기초정보를 얻기 위하여 기상조건이 상이한 1967년과 1974년에 小豆 40여 품종을 재배하고 각 形質의 遺傳力, 遺傳型 相關 및 表現型 相關을 分析 比較하고, 經路係數 分析을 통하여 年次別 차이의 원인을 究明하였다. 本試驗에서 얻어진 결과를 要約하면 : 1. 각 形質의 遺傳力은 年次間 차이가 있었으며 특히 莖直徑, 莖長의 遺傳力은 甚한 차이를 나타내었고 開化期, 100粒重은 가장 높은 遺傳力을 나타내었다. 2. 100粒重, 開化日數, 莖長 및 生體重등과 收量間의 遺傳型相關은 1967년에는 높은 負의 相關을, 1974년에는 높은 正의 相關을 나타내었고, 開化日數, 莖長, 生體重과 1株莢數와의 遺傳型相關도 年次別로 같은 경향을 나타내었다. 3. 各形質間의 遺傳型相關의 年次別 差異를 path coefficient 分析을 통하여 直接效果를 間接效果로 분할하였던 바 1967년의 100粒重, 開化日數, 莖長, 生體重등과 收量間의 遺傳型相關이 높은 負의 相關을 나타낸 것은 이들 各形質이 收量에 대한 直接的인 影響이 아니고 1株莢數를 통한 간접적인 효과에 基因하고 있음을 발견하였다. 4. 1株莢數와 收量間에는 가장 높은 遺傳型 相關을 나타내고 있고 年次別 차이는 크지 않았으며 또한 他形質을 통한 間接 效果가 아니고 1株莢數의 收量에 대한 直接效果였다. 이와 같은 結果는 安全多收性 小豆品種 育成을 위하여는 1株莢數가 많은 個體를 選拔한다면 育種效率을 높일 수 있으며 開化日數와 100粒重은 初期世代에 選拔할 수 있는 形質로 結論 내릴 수 있었다. To obtain the basic information for breeding stable and high yielding varieties of adzuki bean(Phoseohis angularis W. F. WIGHT) above 40 varieties were tested at Jinju in the two crop years, 1967 and 1974, which showed a typical different meteorological data. Pod number per hill, 100-grain weight, days to flowering from sawing, stem diameter, stem length and plant weight were examined in each year, and their heritabilities, genotypic and phenotypic correlations and path coefficients were estimated. The results obtained are summarized as follows: 1. Heritabilities of stem diameter and stem length were found to be different between the crop years, and the highest heritabilities were estimated in days to flowering and 100-grain weight. 2. Genotypic correlations of 100-grain weight days to flowering, stem length, and plant weight to grain yield and those of days to flowering, stem length and plant weight to pod number were highly significantly negative in 1907 and highly significantly positive in 1974. 3. By partitioning the correlations by means of a path coefficient analysis method, the highly negative correlations between 100-grain weight, days to flowering, stem length, plant weight and grain yield in 1967 were attributed to the indirect effect of pod number to each character. 4. The most affectable character to grain yield was the pod number per plant. It showed the highest and most stable genotypic correlation, and the correlation was analyzed to be found the direct effect of the pod number to grain yield rather than the indirect effects of other characters to yield. These results give a conclusion that the individuals with a large number of pad are preferable to be selected forbreeding the stable and high yielding varieties of adzuki bean, and that two characters, days to flowering and 100-grain weight, have a benefit to be selected in earlier generation in the breeding program.
高美錫,崔震龍 慶尙大學校 1976 論文集 Vol.15 No.-
多收性 綠豆品種育成을 爲한 基礎情報를 얻기 爲하여 IMN의 31個 品種을 使用하여 遺傳相關, 表現型相關 및 遺傳力을 計算하고, 國內外에서 募集한 288個 品種을 莖長과 粒重의 差異에 따라 6個 品種君으로 區分하고 각각의 品種君에 對하여 形質相互間의 相關係數, 각각의 形質이 收量에 미치는 영향에 대한 經路係數를 分析하고 이를 다시 多重回歸分析을 通하여 檢計하였던 바 本 試驗에서 얻은 結果를 要約하면, 1. 遺傳型相關이 表現型相關보다 높게 나타났으며, 開花日數와 株當?數, 莖長과 莖直徑, 莖長과 株當分數間, 莖直徑과 株當分伎數, 株當分伎數와 株當分數間에는 高度의 正의 相關이 認定되었고, 開花日數와 收量 株當分伎數와 ?當粒數, 株當分數間와 100粒重, 株當分數間와 收量, 株當?數와 收量 및 株當?數와 100粒重間에는 高度의 負의 相關이 認定되었다. 2. 遺傳力이 높은 形質은 100粒重, 開花日數였으며 낮은 形質은 株當?數, ?當粒數 莖直徑이었다. 3. 莖長, 株當?數 種實收量은 그 變異가 크게 나타났다. 4. 收量이 높은 品種의 莖長은 70∼90cm의 範圍내에 分布하고 있었으며, 100립중은 3.5g과 6.5g를 중심으로 높은 수량을 나타내는 品種이 分布하고 있었다. 5. 各形質수는 相互間의 相關은 全체品種을 草型別로 分類하였을 경우 매우 낮은 값을 나타내엇으며 全체的으로 開花日數는 收量에 negative로 作用하였다. 莖長이 짧은 品種群에서는 莖長, 100粒重의 收量에 對한 直接效果가 크게 나타났으며 粒重이 가벼운 品種群에서는 莖長이, 粒重이 무거운 品種群에서는 株當分群에서는 100粒重이 收量에 對하여 보다큰 直接效果를 나타내었으며 이상의 결과는 多重回歸分析에 依하여 再確認되었다. In order to obtain a fundamental information to beused in the breeding of high yielding mungbean variety, 31 cultivars from the International Mungbean Nurseries wer eused to estimate genotypic and phenotypic correlation and heritability and the other 288 cultivars consised of domestic and foregn sources were classified into six varietal groups according to the plant height and 100-grain weight. For each varietal group correlation and path-coefficient among some agronomical characters were observed, and the resutls were reassered by computing multiple regression coefficients. The results are summarized as follows: 1. Highly positive genetic correlation coefficients were obtained between days to flowering and no. of pods/hkll, no. of branches/hill and no. of pods/hill, adn highly negative genotypic correlation coefficient wer found between days to flowering and yield, no. of branches/hill and 100-grain weight, no. of branches/hill and yield, no. of pods/hill and yield, and no. of pos/hill and 100-grain weight. 2. Heritabilities of 100-grain weight, days to flowering showed the highest and those of no. of pods/hill. adn stem diameter showed the lowest. 3. Plant height, no. of pods/hill, grain yield were found to be the most variable characteris in the different varietal groups. 4. The cultivars showing relatively high yielding capacity were distributed from 70cm to 90cm in plant height and 3.5 adn 6.5g in 100-grain weight. 5. The most simple correlation coefficient between characters were analysed to be lower in each varietal groups, and from the path-coefficient analysis, days to flowering were found to have a negative direct effect on grain yield. 6. Important characters seemed to be emphasized for selection in each varietal groups were supposed to be plant height and 100-grain weight in the short varietal groups; plant height in the light varietal groups; and no. of branches/hill and 100-grain weight in the heavy varietal group; and these results were confirmed by the estimation of multiple regression coefficients for each characters.
Chemical Induction of Male Sterility in Self-Pollinated Crops For Hybrid-Seed Production
CHOE, ZHIN RYONG,KIM, JEONG GYO,BIN, YOUNG HO,KIM, SEOK HYEON 경상대학교 유전공학연구소 1987 遺傳工學硏究所報 Vol.6 No.-
With a purpose to induce male sterility for hybrid seed production of self-pollinated crops, rice, wheat and barley were with Ethephon, MH and GA_3 at 5 growth stages. MH 4000-8000ppm induced nearly complete sterility with severe phytotoxicity while Ethephon also induced high sterility with minimum phytotoxicity. Varietal response to chemicals, concentration and application time of the chemicals were different among cultivars. The earlier application of the chemicals, the lower pollen activities were observed. Pollen activity and grain sterility was apparently closely related.