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서장선,전길형,권장식,김상효,백형진,Suh, Jang-Sun,Chon, Gil-Hyong,Kwon, Jang-Sik,Kim, Sang-Hyo,Baek, Hyung-Jin Korean Society of Soil Science and Fertilizer 2003 한국토양비료학회지 Vol.36 No.4
경지이용이 토양 화학성과 미생물 군집상에 어떠한 영향이 있는지 경지 및 미경지 토양을 채취하여 토양지방산, 미생물밀도 및 미생물체량간(biomass C)의 관계를 조사하였다. 경지와 미경지 토양의 pH는 큰 차이가 없었지만, 전기전도도 (EC), 유기물, 유효인산 및 치환성 양이온 함량은 미경지 토양에 비해 경지토양에서 높았다. 훈증추출법에 의해 측정된 미생물체량과 지방산 총 함량간에는 유의한 정의 상관관계가 있었다 ($r^2=0.557$, n=18, p<0.01). 세균, 방선균, 사상균, 원생동물을 나타내는 지표성 지방산 함량은 경지토양에서 높은 경향을 보였다. We examined the relationships among community composition, microbial population, and microbial biomass to determine whether different land use leads to differences in microbial community composition. And also the relationships between soil characteristics and microbial community composition were investigated. There was no difference in pH between uncultivated and cultivated soils, but electrical conductivity, and contents of organic matter, available P and exchangeable cations were greater in the cultivated soil compared to the uncultivated soil. A linear correlation ($r^2=0.557$, n=18, p<0.01) was found between biomass-C estimated with fumigation extraction technique and total amount of fatty acids. An increase of fatty acid methyl esters (FAMEs) for bacteria, actinomycetes, fungi and protozoa was observed in cultivated soil.
Sang-Guei Lee(이상계),Gil-Hyong Chon(전길형),Hoi-Seon Lee(이회선),Chang-Yeon Hwang(황창연),Man-Jong Han(한만종),Hyung-Man Park(박형만) 한국농약과학회 2003 농약과학회지 Vol.7 No.1
The activities of esterase and acetylcholinesterase(AChE) on the Diamond backmoth (DBM), Plutella xylostella (Lepidoptera: Yponomeutidae) and Beet armywarm (BAW), Spodoptera exigua (Lepidoptera: Noctuidae) and inhibitions of AChE with flupyrazofos were clarified from the results of a series of experiments. These findings are described in brief as follows. The AChE activities of DBM and BA W in heads were 1.5~11.1l μ㏖/g/min in 1st~4th instar larvae of DBM and 1.7~45.2 μ㏖/g/min in lst~6th instar larvae of BAW, respectively. Those were 25-30 times higher in above 4th instar larvae of BAW than that of the 1st instar larvae of DBM. The activities of aliesterase in heads were 1.7~4.7 times higher in 2nd~4th instar larvae of DBM and 8~55 times higher in 3rd~6th instar larvae of BAW than 1st instar larvae of DBM. In abdomens, those were 3-17 times higher in 2nd~4th instar larvae of DBM and 12~30 times higher in 3rd~6th instar larvae of BAW than 1st instar larvae of DBM. Median AChE inhibition concentration (I??) of flupyrazofos to the 2nd instar larvae of DBM and BA W were 92 nM and 15 μM, respectively, and those to the 4th instar larvae of DBM and BAW were 1.8 μM and 3.1 mM, respectively. Insensitivity ratio of flupyrazofos in the 2nd instar BAW larvae showed ca. 162 times higher than that in the 2nd instar larvae of DBM, and that of the 4th instar BAW larvae showed ca. 1,720 times higher insensitivity to flupyrazofos than that of the 4th instar DBM larvae. AChE activities in the 2nd instar larvae of DBM and BA W at 32 h after applicaton of flupyrazofos decreased from 67.6% to 32.4% of the activity of the untreated control. That of the 4th instar larvae of DBM increased for 0.5 h after application flupyrazofos up to 75% of the untreated control, and after that it decreased to 34.5% of the untreated control at 32 h. In contrast, in the 4th instar larvae of BAW AChE activities increased for 8 h gradually up to 102% of the activity of the untreated control, and then the activity decreased to 97% of the untreated control at 16 h after treatment.
農村住民의 健康管理 實踐과 이에 影響을 미치는 要因 調査硏究 : Centered on Rural Community People
이동호,전길형 전북대학교 농업과학기술연구소 1994 農大論文集 Vol.25 No.1
This investigation was attempted to help to establish the basis of the Health Education Program which would perform the health educ;3tion efficiently and bring the reforming of rural people's, health control by measuring the degree of rural peoples compliance concerning health behavior and confirming the relationship of knowledge, concern, learn of health and level of education. The subject of this investigation were made up the case of people who lived in the WanJu Gun, OkKu Gun, Chollabukdo. The tool for this study was the type of questionaire. The data were analyzed by means of percentages, Pearson Correlation Coefficient and Stepwise Multiple Regression. The result of this study are as follows. 1. The subjects reaction to the compliance of health behavior ; According to the average proportion of compliance for health behavior, subjects, compliance in the aspect Family planning Behavior is the highest 81.4% and they showed their compliance in the aspect of the Accident Prevention by 73.9% and in the aspect of Mental Health and Infecious Disease Preventive Behavior by 70.1% , they compliance in the aspect of Personal Hygiene and Daily Life Habit is the lowest 69.4%. 2. Health Knowledge : The whole mark distribution of health knowledge is ranged from the lowest 6 point to the highest 26 point, therefore point range is 20.0. 3. Health Concern: The peole of the average 4.11 point respond positively to the question about the health concern, "We think health is more important than money", when the full mark is 5 point, this is the highest rate. 4. The hypothesis test about the compliance for health behavior and the factors which effect on it 1) The first hypothesis ; "'The more knowledge of health the subjects have, the better they compliance for health behavior" was accepted(γ = 0.7822, P<0.001). 2) The second hypothesis : "'The more interest of health the subjects have, the better they compliance for health behavior" was rejected (γ = 0.0905, p <0.05) . 3) The third hypothesis : "The healthier subjects are, the better they compliance for health behavior" was accepted(γ = 0.2391, p<0.001). 4) The fourth hypothesis ; "The higher educational level, the better they compliance for health behavior" was accepted ( γ= 0.2786, p<0.001). As the above eductiona] level, health knowledge, health status abviously have effect on the compliance for health behavior. Therefore, we must group for the plan to enhance health concern through the regular and systematic health education for rural community people. Besides we must study further on, to find the factors which have effect on the comploance for health behavior and we try to make material for health education.
감나무 가지마름病에서 分離한 Pestalotia kaki의 2 系統
李貴宰,田吉亨,金炯武,蘇仁永,崔定植 전북대학교 농업과학기술연구소 1994 農大論文集 Vol.25 No.1
A black spot and die-back symptoms were severely occurred on the branch of young persimmon tree at Chonju and Haenam between 1991 and 1992. The Pestalotia kaki isolated from symptoms were investigated in cultural character and pathogenicity. Pestalotia kaki was isolated from the black spot and die-back symptoms. Pestalotia kaki was classified into the strain I and Ⅱ by cultural character. The color of mycelium on the PDA, the strain l was white and turned yellowish in the center, and the strain Ⅱ was white. Conidia formed concentric Bones in the strain Ⅱ, and scattered in the strain Ⅰ . Pathogenicity of the strain I and Ⅱ was simillar.