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        大豆品種間 耐冷性의 差異에 關한 硏究

        S.H. KWON(權臣漢),Y.I. LEE(李榮日),J.R. KIM(金在利),I.C. SHIN(申仁徹) 한국육종학회 1980 한국육종학회지 Vol.12 No.2

        Germination test with 1,429 Korean native soybean lines was made at 10℃ for the selection of cold tolerant lines. Out of the entries tested, 62 cold tolerant lines and 56 cold intolerant lines were identified. Most of cold tolerant lines were originated from the provinces of Kyonggi and Kangwon, and the cold intolerant lines were collected from Kyongnam and Cheonnam provinces of Korean Peninsula. Most cold tolerant lines have black and brown seed coat color, while the cold intolerant lines have yellow and green seed coat color. For a field test, the selected two groups were planted twice on 4 April and 15 May 1979, and emergence, plant height and other related agronomic characters were investigated. Percent of emergence and plant height in the cold tolerant group were significantly higher than those identified as cold intolerant lines at early growth stages under the chilly spring condition. Number of nodes and branches and plant height at the time of harvest were not increased in cold tolerant lines, but number of pods was significantly increased.

      • 大豆 交配后代에 있어서 몇가지 形質의 遺傳的分離

        李榮日,宋禧燮,申仁澈,權臣漢 경희대학교 부설 식량자원개발연구소 1986 硏究論文集 Vol.7 No.-

        Genetic studies of several traits in the crosses of soybean cultivars were conducted to determine the performance of F₁ hybrids and the segregation pattern in F₂ generation for improvement of vegetable soybean cultivars. Plant height and number of pods per F₁ hybrid increased in comparison with their parents, while flowering of F₁ hybrid was intermediate between early and late flowering time of their parents. Stem and flower color of F₁ hybrid were purple and pubescence color was tawny. In F₂ generation, purple stem against green in the crosses showed 3:l ratio segregation. However, purple flower and tawny pubescence were not fitted to 3:l ratio. Flowering time of F₂ generation in two crosses were segregated with 3:l ratio to early and late flowering time. However, the occurrence of earliness was a deficience to lateness. Numbers of nodes and pods per F₂ plants were distributed between those of their two parents.

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