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S.H. KWON(權臣漢),J.H. OH(吳正行),H.S. SONG(宋禧燮) 한국육종학회 1977 한국육종학회지 Vol.9 No.3
The experiment was carried out to determine the germination ability of soybean pollen with different storage conditions. Sucrose-agar media was succeseful for germination of soybean pollen and the germination was hardly affected by the ingredient amounts of agar and sucrose in artificial media. Maximum germination of fresh pollen look place in 80 min. after inoculation of the pollen on 2% agar plate containing 20% sucrose and on difference in germination percent was found between two varieties examined. When soybean pollen was kept at room conditions for 3 hours, the germination averaged less than 10%. However, it was found to be kept higher germination ability of the pollen by storage in brown desiccator being controlled humidity and light. Morever germination could be remarkably improved with storing at the condition of lower temperature and humidity, and the influence of humidity was more conspicuous with long storage hours.
S. H. Kwon(權臣漢),J. H. Oh(吳正行),Y. S. Ham(咸泳秀),J. H. Kim(金鍾昊) 한국육종학회 1975 한국육종학회지 Vol.7 No.3
To determine the number of genes controlling resistance of the variety Tong-il which is resistant to blast disease at present, F₂ populations of each cross between Tong-il and five susceptible varieties were genetically analyzed with two prevalent blast strain T-1 and E-7 of blast fungus. Results indicated that blast resistance of the variety Tong-il was conditioned by a single dominant-gene, and the resistance to the strain T-1 was controlled by one gene different from that controlling to the strain E-7 of blast fungus.
우리나라 在來種 蒐集 大豆의 蛋白質 및 脂肪含量에 關한 硏究 Ⅱ
S. H. Kwon(權臣漢),J. H. Oh(吳正行),J. R. Kim(金在利),H. S. Song(宋禧燮),B. W. Kim(金炳友) 한국육종학회 1975 한국육종학회지 Vol.7 No.1
A collection of 840 native soybean lines currently grown by farmers was made from the southern part of Korean peninsula. The variability of chemical contents in seeds and relationships between chemical contents and important agronomic traits were studied. 1. The variability for both protein and oil contents are 33.2%-49.8% and 11.2%-23.4%, respectively. The population consisted with over 60 percent of lines containing more than 41% of protein, while approximately 85% of lines belong to low oil category ranged from 15 to 19 percent of oil. 2. It was discouraged in finding marker genes for high protein and high oil content in this investigation. Therefore, appropriate methods of analysis for protein and oil are urgently needed to develop for screening large number of strains in early stages. 3. Sixty six high protein lines (over 45 percent and eight high oil content lines (over 21 percent) were found from the collection. After advanced test, the selected lines will be decided to utilize breeding materials for high protein and high oil.
S. H. Kwon(權臣漢),J. H. Oh(吳正行),K. R. Kim(金侊來),S. W. Lee(李承雨) 한국육종학회 1975 한국육종학회지 Vol.7 No.2
By means of textural measurement of cooked rice, 26 lines were selected from the progenies of irradiated Tong-il on the basis of their physical properties. Variety Tong-il showed significant differences from the local variety Pung-kwang in various physical properties, such as hardness, cohesiveness, elasticity, gumminess and chewiness. These results suggest that scores of physical properties were a possible index for evaluation of palatability of cooked rice.