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여성농업인 노동의 경제적 가치평강 관한 연구 : 농업노동과 가사노동 Agricultural Work and Household Work
유소이,최윤지,조현숙,김경미 대한가정학회 2003 Human Ecology Research(HER) Vol.41 No.7
The purposes of this study were to explore the rural women's labor by measuring labor value economically. To achieve the purpose, this study applied four methods : replacement cost method individual function, replacement cost method generalist, opportunity cost method and shadow wage method. The results of this study were as follows; 1) Time used for agricultural work and household work by rural women were 5.3 hours and 3.8 hours each. 2) According to the methods used, the amounts of valuing rural women's labor were varied and ranged from 23,000 won to 43,000 won per day. This study might help recognize the degree of rural women's labor contribution to the household income of farm households and improve the socio-economic status of rural women through showing the productivity of the rural women's labor.
Ye Ji Yoon,Haet Nim Jeong,Jung Soo Jung,Kwang Jae Lee,Young Moon Mo,Sung Il Kim 한국약용작물학회 2017 한국약용작물학술대회 발표집 Vol.2017 No.05
Background : Gangwon-do (Province) is chief producing district of six-year-old raw material of red ginseng and transplanting culture is more than 90%. The 6-year-old red ginseng is easy to differentiate in quality and can secure a stable market, but it has high disadvantages such as high seedling cost, effort cost, and long term cultivation. Therefore, it is necessary to develop environment-friendly products that enhance price competitiveness based on 3 to 4-year-old ginseng by using direct seedling cultivation techniques. When ginseng seed sown directly, it is highly productive and has high disease resistance, which is advantageous for environment-friendly cultivation. Thus, it is advantage to save work force in seed production stage. The purpose of this study is to find the planting density for 4-year-old ginseng. Methods and Results : In order to determine proper planting density, ginseng growth characteristics such as root length, root diameter, raw weight, and yields were investigated at 4-year-old ginseng after planting 34, 67, and 100 roots per ㎡. As a result, the root length was the longest at 33.9 ± 5.45 ㎝ in 67 roots/㎡, and there was no difference in root diameter. The raw weight of 4-year-old ginseng was the highest at 65.1g in 34 roots/㎡. However, yields were 4.3 ± 0.78 and 4.8 ± 0.50 ㎏ in the 67 roots/㎡ and 100 roots/㎡, respectively, which were higher than the 34 roots/㎡. Conclusion : The proper planting density for direct seedling cultivation of yunpung cultivar was 67 - 100 roots/㎡, and these results could be applied to increase productivity in direct seeding cultivation of ginseng.
A Rare Case of Transient Friction Melanosis of the Finger: A Case Report
( Ji Ha Yoon ),( Ye Ji Jang ),( Eun Byul Cho ),( Eun Joo Park ),( Kwang Ho Kim ),( Kwang Joong Kim ) 대한피부과학회 2021 Annals of Dermatology Vol.33 No.6
Friction melanosis (FM) is an acquired pigmented disease that is caused by recurrent mechanical stress. There is no previous report explaining the presence of tiny brown-colored particles confined to the corneal layer. We describe a case of a rare form of FM of the finger that showed a relatively transient clinical course. A 17-year-old Korean female presented with a 5-month history of an asymptomatic localized hyperpigmented patch on the tip of the right index finger. The dermoscopic examination revealed homogenous globular pattern, which favored pigmentation over hemorrhage. Histopathologically, hyperkeratosis and acanthosis with lymphohistiocytic infiltration of the superficial dermis were noted on hematoxylin and eosin staining; however, there was neither a definite increase in melanophages in the upper dermis nor melanocytic proliferation in the basal layer. Per high-power field, multiple brown-colored tiny particles were scattered in the corneal layer. The particles were not dyed by Fontana-Masson stain, iron stain, and S-100. We questioned the patient about the presence of irritation and found that she had bought new shoes at the time of the onset. She was habituated to placing her fingers in her shoes while wearing them because they were slightly tight. The lesion disappeared spontaneously a week after the cause of friction was eliminated. Altogether, we encountered a rare form of FM that occurred in a rare location with a transient clinical course. Further cases on pigmentation restricted to finger tips might reveal the origin of the particles.
Suppressive Effect of Bacillus amyloliquefaciens KL87 on Alternaria Blight of Ginseng
Ye-Ji Yoon,Jeong-Su Jeong,Jae-Hee Won,Jin-Ho Joo,Kwang-Jae Lee 한국토양비료학회 2018 한국토양비료학회지 Vol.51 No.4
Biological control of plant disease using microorganisms such as Bacillus, Trichoderma and Streptomyces is alternative method which can reduce disease in ginseng cultivation. Antagonistic microorganisms can replace chemical agent, and reduce yield losses caused by several pathogens. The purpose of this study was to develop eco-friendly microbial agents and application technologies for the safe production of ginseng through control of ginseng aerial disease. For the selection of antagonistic microorganisms to control ginseng aerial disease, soil samples were collected from ginseng cultivation field, and 260 kinds of bacterial microbes were isolated. Among the 260 isolated microbes, KL87 strain suppressing the growth of ginseng pathogenic bacteria, Alternaria panax and Botrytis cinerea, was selected. As a result of 16S ribosomal RNA sequence analysis, KL87 strain was identified as Bacillus amyloliquefaciens. Furthermore, biochemical characteristics of KL87 strain showed high identity (99%) with Bacillus amyloliquefaciens. In the ginseng cultivation field test, Bacillus amyloliquefaciens KL87 reduced the occurrence of ginseng Alternaria blight by 75.9%. These results strongly suggested that Bacillus amyloliquefaciens KL87 could be used as microbial agents for replacement of chemical agent.
A Case of Herpes Zoster Granulomatous Dermatitis: Report of Wolf’s Isotopic Response
( Ji Ha Yoon ),( Ye Ji Jang ),( Eun Joo Park ),( Kwang Joong Kim ),( Kwang Ho Kim ) 대한피부과학회 2021 Annals of Dermatology Vol.33 No.2
Wolf’s isotopic response refers to the occurrence of a novel skin disease at the site of a preceding treated or untreated skin disease. Although the most common preceding skin disease was found to be herpes zoster (HZ), HZ-related dermatological phenomena are not well known in the literature. We report a case of HZ granulomatous dermatitis in a 77-year-old female with a previous history of hypertension, diabetes mellitus, chronic kidney disease, and HZ. She presented with a 3-month history of a pruritic skin lesion on her right thigh. The location of the lesion was consistent with a previous HZ site. Histopathological examination revealed lympho- histiocytic infiltration in the superficial dermis, forming a granulomatous structure. Based on clinical and histopathological findings, we made a diagnosis of granulomatous dermatitis at a previous HZ site. We assumed that the lesion arose from an isotopic response of Wolf. The patient was treated with topical steroids for 3 months and showed clearance of the lesion and symptom. We suggest that treatment should be based on the individual disease, which in our case was topical steroid. (Ann Dermatol 33(2) 186∼189, 2021)
Up-dating of new dCAPS markers for mapping yield-related traits using MGRIL
Ye-Ji Lee,Hyun-Ju Lee,In-Seon Jeong,Seon-Hwa Bae,Hyeon-So Ji,Gang-Seob Lee,Ung-Han Yoon,Jang-Ho Hahn,Tae-Ho Kim 한국육종학회 2015 한국육종학회 심포지엄 Vol.2015 No.07
The next-generation sequencing(NGS) technology is being used for more effective genetic mapping. In previous study, we obtained 60x coverage of sequence from Milyang23 and Gihobyeo on average comparing with Nipponbare reference genome. Also, we developed new derived cleaved amplified polymorphic sequence(dCAPS) markers based on the single nucleotide polymorphisms(SNPs) in coding region sequence(CDS) between these varieties. Totally, 1,726,798 SNPs between Milyang23 and Gihobyeo were detected. Among them, 146 SNP were selected for making dCAPS markers and located on genetic map with previously reported 219 PCR-based DNA markers. The map was applied to the detection of quantitative trait loci(QTLs) for stem internode diameters, culm length and panicle length within MGRIL population, and six QTLs with relatively high LOD score were found at three chromosomes; culm length and stem diameter including the first internode diameter, third and fourth internode diameter. This study showed that the NGS allowed the rapid discovery of a large number of SNPs for dCAPS marker. So, we tried to find out more single nucleotide polymorphisms(SNPs) which were located on the whole genome sequence, such as un-translated region(UTR), intron, Inter-region and coding region sequence(CDS) between Milyang23 and Gihobyeo varieties. And we collected phenotypic information about culm length, panicle length, four stem internode diameters and panicle number in rice MGRIL population for QTLs. Furthermore, results of QTL analysis described above will shows relevance of molecular markers in mapping genes for useful breeding.