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김익제 ( Ik Jei Kim ),권의석 ( Yeu Seok Kwon ),이성희 ( Seong Hee Lee ),이재웅 ( Jae Wung Lee ),허윤선 ( Yoon Sun Huh ),이기열 ( Ki Yeol Lee ),김태중 ( Tae Jung Kim ) 한국국제농업개발학회 2015 韓國國際農業開發學會誌 Vol.27 No.1
We have conducted the research to find the solutions of poor fruit setting caused by abnormal low temperature during the blooming period of peach. Therefore this study was accomplished to supply the high vigor pollens using grafting with pollinizer cultivars for increase of the fruit setting rate. Seven cultivars for pollen supply were grafted on two-year-old ‘Kawanakajima Hakuto in March, 2013. In the pollen supplier cultivars, the 10% blooming stage and 40% blooming stage of ‘Cheonhong’ were earliest, but the 40% blooming stage and 80% blooming stage of ‘Yumyeong’ were latest. The number of flower was the highest in ‘Yumyeong’, and the weight of flower was the heaviest in ‘Cheonhong’. The average pollen number of flower was the highest in ‘Cheonhong’. In comparison with the overall flowering period, the pollen number of flower was the highest in 40% blooming stage. The pollen germination rate of 10% blooming stage was highest at 59.8 ± 7.21% in ‘Cheonhong’, that of 40% and 80% blooming stage were highest at 81.9± 5.60% and 69.3± 6.89% in ‘Yumyeong’ respectively. When the fruit setting rates were examined at room temperature, that was highest at 92.3% in the pollen supplier combination of ‘Cheonhong’ and ‘Yumyeong’ in contradistinction to the conventional artificial pollination. When the cold treatment was applied at .2oC for four hours, the fruit setting rate of combination of ‘Cheonhong’ and ‘Yumyeong’ was highest as well. Based on the findings of this study, pollinizer combination of ‘Cheonhong’ and ‘Yumyeong’ which have different flowering stages and high pollen vigor could increase the fruit setting rate at the abnormal low temperature, which was possible to replace the conventional artificial pollination and induce the stable fruit setting semipermanently.
Changes in Growth Characteristics and Functional Components of Angelica acutiloba Kitagawa by LED
Ki Hyun Kim(김기현),Seong Hyun Yu(유성현),Young Sang Kim(김영상),Jae Ho Park(박재호),Ik Jae Kim(김익제),Young Ho Kim(김영호),Yong Sup Song(송용섭),Joung Hoon Lee(이정훈),Sun Hee Woo(우선희) 한국약용작물학회 2021 한국약용작물학회 학술대회논문집 Vol.2021 No.1
충북에서 사과 주요 토양병에 의한 고사율과 재배환경과의 상관관계
이성희,권의석,신현만,김익제,남상영,홍의연,김대일,차재순,Lee, Sung-Hee,Kwon, Yeuseok,Shin, Hyunman,Kim, Ik-Jei,Nam, Sang-Young,Hong, Eui Yon,Kim, Daeil,Cha, Jae-Soon 한국식물병리학회 2017 식물병연구 Vol.23 No.1
이전 연구에서 충북지방의 사과과수원에서 토양병에 의한 사과나무 고사율이 매우 높게 나타났다. 본 연구에서는 토양병에 의한 사과나무 고사율과 재배환경과의 상관관계를 조사하였다. 자주날개무늬병에 의한 사과나무 고사율은 토양 내 칼슘 함량과 유의하게 정의 상관관계를 보였고, 흰날개무늬병에 의한 사과나무 고사율은 토양 내 유효 인산 함량과 유의하게 정의 상관관계를 보였다. 반면에 역병 피해 사과원 14개소에서는 사과나무 고사율과 재배환경과는 유의성 있는 상관관계가 없었다. 세분화한 재배환경과의 상관관계 분석결과는 토양 내 칼슘함량 외에 과원 경사도와 착과수가 자주날개무늬병에 의한 고사율에 영향을 미쳤고, 토양 내 유효인산 함량 외에 칼슘 함량이 흰날개무늬병에 의한 고사율에 영향을 미쳤다. 과원경사도, 토성, 마그네슘과 칼슘 함량이 사과역병에 의한 고사율에 영향을 주었다. 이 결과는 사과과원의 재배법 변경에 의해 토양병에 의한 사과나무 고사율을 감소시키는 데 적용 가능할 것이다. The previous study showed that die-back of apple trees caused by soil-borne diseases was significantly high in the apple orchards in Chungbuk province. The correlation between dieback ratio and cultivation environment in apple orchards infected by soil-borne diseases was investigated in this study. The dieback ratio of five orchards diseased by violet root rot and five places infected by white root rot showed significantly positive correlation with Ca content and available $P_2O_5$ content in soil, respectively. Whereas, the dieback ratio of fourteen orchards diseased by Phytophthora root rot was not significant. Subgrouping of cultivation environment analysis showed that the slope degree of orchard and the number of fruit setting also affected the dieback ratio caused by violet root rot and Ca content in soil also affected the dieback ratio caused by white root rot. It showed that the slope degree, soil texture, Mg and Ca content affected the dieback ratio caused by Phytophthora root rot. These results can be applied to reduce die-back ratio by the modification cultivation environment for each soil-borne disease.
윤건식(Geon-Sig Yun),이재웅(Jae-Wung Lee),황세구(Se-Gu Hwang),김익제(Ik-Jei Kim),홍성택(Seong-Taeg Hong),최명은(Myeong-Eun Choe),최규환(Gyu-Hwan Choi),김용순(Yong-Soon Kim),김홍식(Hong-Sig Kim) 한국육종학회 2019 한국육종학회지 Vol.51 No.4
To improve their income, farmers should cultivate sorghum varieties with high productivity, short breeding period, and easy double cropping. To increase purchases by consumers, the sorghum variety must have health-related functions. To meet these demands, the Cheongpung variety has been raised through net separation from the traditional species of the Chungbuk region as a sorghum variety that can be harvested by machine, have the highest yield in the country, and have the most abundant antioxidant content. The seed coat of ‘Cheongpung’ was reddish-brown, and had the characteristic of early maturation; it required only 107 days from sowing to harvest. Its culm length was 89 cm, the smallest among domestic cultivated varieties. It could also be harvested by machine without difficulty. Compared with the ‘Hwanggeumchal’ variety, the number of ear per plant in ‘Cheongpung’ was approximately 1.3, but each ear piece weighed 66.2 g, weighing 3.8 g, and the thousand-grain weight was 1.4 grams higher than the rough-grain weight. A local adaptation test in five regions nationwide for two years led to a ‘Cheongpung’ yield of 359 kg/10a, which was the highest among domestic cultivated varieties. In addition, the polyphenol content of ‘Cheongpung’ was 29% higher than that of ‘Hwanggeumchal’. (Registration No. 7717)
Walker Carcinosarcoma 256 白鼠骨髓移植에 미치는 高麗人參의 影響에 關한 實驗的 硏究
金翼濟,金學賢 순천향대학교 1982 논문집 Vol.5 No.3
An experimental study has been carried out to see whether Korean Ginseng has any effect on the malignant bone tumor. Waker carcinosarcoma 256 was implanted into the tibial bone marrow cavity of Sprague Dawley rats and observations were made as follows: The total number of 170 rats were devided into 5 groups, each group containing 40 animals, except the control group which consisted of 10. Group 1. For control. Group 2. Walker carcinosarcoma 256 implantation only. Group 3. After the tumor implantation the animals were given subcutaneously a daily dosage of 2mg of alcohol extract of Korean Ginseng per 100 gm body weight. Group 4. The same amount of Korean Ginseng extract was given, begining 2 weeks before the tumor implantation and the injection continued until sacrifice. Group 5. The animals were given Korean Ginseng only. One fourth of each group of the animals except the control were reserved for examination of periodic changes of the number of RBC and WBC at 3∼4 day intervals. On the 8th, 18th, and 25th day after the tumor implantation 5 animals out of each group were sacrificed for the examination of (a) blood protein and its fractions, (b) histologic study of lungs, liver, kidneys, spleen, adrenal glands, and lymph nodes, (c) the nucleic acid of lung, liver and kidney tissues, The results obtained on the 25 day and the conclusions are as follows: (a) In the Walker carcinosarcoma 256 implantation group the animals showed a decrease of RBC (mean value 4.13 million, control 5.68 milliom) and increase of WBC (mean value 40,830, control 17,780) The group injected Ginseng only showed an increase of RBC (mean value 7.085 million) and WBC (mean value 22,300). Ginseng injection in the tumor implanted group showed some less degree of anemia and leukocytosis (mean values of RBC and WBO, 5.093 million, 36,480 respectively). Group given Ginseng begining 2 weeks before tumor implantation, showed more marked influential effect (mean values of RBC md WBC, 5.64 million, 30,830 respectively). (b) in the group of Walker carcinosarcoma implantation, the serum albumin decreased to 12.9% which compared with 21.8% in control group, and p-globulin and β-g1obulin increased to 31.6%, 29.8% respectively compared with 19.2%, 16.6% in the control group. The group injected with Ginseng showed an albumin increase of 42.1%, but β-globulin a slight decrease of 17.3%, and β-globulin showed even smaller increase of 18.5%. Ginseng injection in the tumor implanted group also showed some influence on the prevention of serum albumin decrease (14.1%) and increase of β-globu1in and λ-glohlin (25.3%, 24.3% respectively). The effects were marked in group 4 where Ginseng injection started before tumor implantion (albumin increased moderately to 29.3%, β-glohulin increased to 22.5%, γ-globulin increased to 18.8%). (c) The nucleic acids in various organs showed an acute increase in the group implanted with Walker carcinosarcoma, and a slow and smooth increase in the group of Ginseng injection (without tumor implantation), and the groups of tumor implantation which began to he injected with Ginseng before and after the implantation showed an intermediate increase. (d) In these experiments, metastasis of this tumor, Walker carcinosarcoma 256, were recognized only in the lungs. In short although there was no direct evidence, it could be speculated that the Korean Ginseng might influence some indirect effects on the growth of malignant tumor.