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키틴 첨가가 곤충병원성 곰팡이 Beauveria bassiana 포자의 병원성에 미치는 영향
정가영 ( Ga Young Jeong ),윤진주 ( Jin Ju Yoon ),김정준 ( Jeong Jun Kim ),한지희 ( Ji Hee Han ),이상엽 ( Sang Yeob Lee ) 한국키틴키토산학회 2015 한국키틴키토산학회지 Vol.20 No.4
목화진딧물은 오이, 고추, 수박 등 하우스 재배 작물에 큰피해를 주는 중요한 해충의 하나이다. 최근 들어 화학농약의 대체 방제 수단으로 곤충병원성 곰팡이를 이용한 방제의 중요성이 증가하고 있으나, 곰팡이를 이용한 해충방제는 느린 살충력과 균일하지 못한 방제 효과로 기대만큼 증가하지 못하고 있다. 이러한 단점 극복을 위하여 본 연구에서는 목화진딧물에 살충성을 보이는 곤충병원성 곰팡이 Beauveria bassiana를 키틴 또는 식용오일이 첨가된 배지에 배양시 살충력증진 효과 검정을 실시하였다. 키틴이나 식용오일이 첨가된배지의 배양액과 배양여액의 살충율은 키틴 또는 오일이 첨가되지 않은 배양액 또는 배양여액보다 목화진딧물에 대한 살충력이 낮았다. 실험에 사용된 배지들 중에서는 AD 배지의 배양액과 배양여액의 살충률이 다른 배지에 비해 높은 것으로 나타났다. Cotton aphid is one of the most destructive insect pests in greenhouse, especially cultivating cucumber, pepper and watermelon. As alternative pest control agents the importance of entomopathogenic fungi is increasing. However, usage of mycopesticides are not increasing we have been expecting because of slow and fluctuating mortality. Therefore, in this study we conducted bioassays to select media of a Beauveria bassiana isolate which can produce spores or culture filtrate of high virulence against 3rd instar of Aphis gossypii when chitin or oil was added in media. The culture filtrates and culture fluids from media amended with colloidal chitin or oil showed lower mortality of the aphid than culture filtrate or culture fluid without chitin or oil. Control efficacy of culture fluids or culture filtrate was highest with AD medium compared with other media.
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이향미,정가영,이청웅,Lee, Hyang-Mi,Jeong, Ga-Young,Lee, Cheong-Woong 한국주거학회 2009 한국주거학회 논문집 Vol.20 No.6
The purpose of this study is to investigate remodelling that meets the characteristics, intention and needs of antiquated apartment in Gwangju. For this study, firstly, we observed the current status and residents of old-aged apartments and attempted interview. Secondly, we used ethnographical interview of participating and observation methods based on cultural anthropology. The needed for this study was obtained by the questionnaires with 273 answer sheet. The data analyzing method was the statistic program SPSS. This study targeted more than 10-year-old seven apartment complexes which had above 10 stories. In respect of other needs of remodelling, it was very difficult to obtain uniform remodeling on which the whole residents agreed. As old-aged apartment could not be remodelled uniformly, remodeling types should be specified according to different complexes, buildings and units. Joint plans should be prepared for buildings or common space according to different steps of aging before joint remodelling and houses should be individually or jointly remodelled after joint plan is prepared. Current apartment remodelling is designed to increase economic values, but remodelling is more necessary for the residents with low-income. So, financial burden should be minimized and gradually remodelling apartment for improvement of residential environment is to be preferred.
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이향미 ( Hyang Mi Lee ),정가영 ( Ga Young Jeong ),이청웅 ( Cheong Woong Lee ) 조선대학교 공학기술연구원 2009 공학기술논문지 Vol.2 No.2
This study analyses characteristics of residents, physical conditions of apartment houses, and satisfaction of residential environment in order to present suggestions on direction to improve residential environment. For the purpose, this study conducts a field study and interviews the subjects using a questionnaire. 273 copies of the answers are statistically analysed. For the scope of the study, it selects seven 10-storied large buildings which were built more than 10years ago. As a result, this study finds that we need a urgent improvement plan of ageing apartment houses in consideration of ageing residents, low-income, diversified classes, higher sedentary status of the aged, accelerated slums of apanment houses, remodelling of a family 10 overcome ageing, high satisfaction in neighboring environment, and low satisfaction in environment of complexes, buildings, and families, That is. rather than uniform environmental improvement. we need to develop better environment that fits for``" needs of residents of various classes and where residents are willing to stay continuously before they decide to move out due to ageing.
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