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        검색결과 339

        121.
        2016.08 KCI 등재 구독 인증기관 무료, 개인회원 유료
        2014년과 2015년에 경남 하동군 소재의 친환경적 밤 재배지와 진주시 소재의 일반 관행으로 재배하는 밤 재배지에서 스위핑잡기와 직접조사를 통하여 해충상과 천적의 분포를 조사하였다. 2014년에 스위핑잡 기로 조사한 결과 친환경적 밤 재배지에서는 5목 13과 20종, 일반적 관행 밤 재배지의 경우에는 4목 6과 10종이 조사되었다. 2015년 친환경적 밤 재배지에서는 5목 13과 20종, 일반 관행 밤 재배지에서는 5목 6과 10종이 채집되었다. 2014년과 2015년 모두 우점하는 목은 딱정벌레목(Coleoptera)으로 조사되었다. 두 밤 재배지에서 우점종은 복숭아명나방(Dichocrocis punctiferalis), 밤바구미(Curculio sikkimensis), 왕 거위벌레(Paracycnotrachelus longiceps), 거위벌레(Apoderus jekelii), 꽃매미(Limois emelianovi), 풀색노린재(Nezara antennata)이었다. 직접조사 결과 친환경적 밤 재배지에서는 2014년과 2015년 각 각 9목 37과 58종, 9목 42과 61종 이었고, 일반적 관행 밤 재배지에서는 각각 7목 24과 25종, 17목 27 과 29종이 조사되었다. 친환경적 밤 재배지 우점종은 밤나무혹벌(Dryocosmus kuriphilus), 복숭아명나 방(Dichocrocis punctiferalis), 붉은매미나방(Lymantria mathura)로 조사되었고, 일반적 관행 밤 재 배지에서는 밤나무혹벌(Dryocosmus kuriphilus), 밤나무둥근깍지벌레(Comstockaspis macroporana), 밤나무왕진딧물(Lachnus tropicalis), 밤바구미(Curculio sikkimensis)로 조사되었다. 스위핑잡기와 직 접조사를 통해 천적 또한 채집되었다. 친환경적 밤 재배지와 일반적 관행 밤 재배지의 경우는 각각 4종 이 조사되었다.
        4,000원
        122.
        2016.07 구독 인증기관·개인회원 무료
        Conflicting accounts of environmentally-friendly motives exist (see Chan, 2001; Hartmann & Apaolaza-Ibanez, 2012; Haws et al., 2014; Johnstone & Tan, 2015; Rashid, 2009; Royne et al., 2013). Recent research has turned to identity-society explanations (see Park & Lee, 2016). This research furthers this inquiry and narrows the gap. To understand environmentally-friendly clothing options (EFCO) motives better, this study uses uniqueness theory, which posits that consumers adopt dress different from mass fashion simply because it is unpopular (Snyder & Fromkin, 1977; Tian et al., 2001). Accordingly, environmentally-friendly attitudes should have nothing to do with the environment, but with norms, conformity, pressure (Law et al., 2004), and uniqueness. Thus, the research questions consist of: 1) is need for uniqueness in dress related to EFCO purchase intentions? 2) If so, does uniqueness relate to other EFCO motives? A survey was administered (n=220), using existing scales, to an online consumer panel All scales exhibited sufficient reliability. Pearson-Product Moment Scores and ANOVAs were used to assess variable relationships. As predicted, concern for the environment and perceived individual impact on the environment were unrelated to need for uniqueness. There was a significant and positive relationship between need for uniqueness and each of: attitudes toward EFCO and social pressure to act green. This indicates that individuals feel social pressure from important others to adapt to consumer trends. However, the manner in which they adopt mass consumer movements, such as sustainability, may be in more unique ways and via unpopular choice, such as EFCO. Finally, an ANOVA indicated that those high in uniqueness were willing to pay substantially more for EFCO.
        123.
        2016.07 구독 인증기관 무료, 개인회원 유료
        As the general public’s awareness of the environmental problems associated with economic growth have increased, interests in eco-friendly products have also increased for the past few decades. However, many consumer surveys and sales data indicate that while many consumers believe that buying eco-friendly products is important for protection of environment, actual adoption of those products are far below what has been expected. This discrepancy between consumers’ beliefs and actions regarding eco-friendly products purchase suggests that consumers do not purchase eco-friendly products solely based on environmental concerns and environmental merits of products. Then, what is the decisive determinants of consumer’s decisions to buy of green products? Previous researches showed that many people usually are reluctant to buying green products because of high price compared to conventional products (Hopkins and Roche 2009; Thakur and Aurora 2015), but if people perceived additional value to self (e.g. functional value, social value, emotional value, economic value, epistemic value), people are willing to buy green product (Lin and Huang 2012; Jung and Kim 2014; Renfro 2010). In other words, the perceived personal value for money, associated price and benefits of product, can be importantly decisive determinants of eco-friendly buying decisions. Moreover, among many values or benefits, economic benefit such as monetary savings can be an effective factor to adaption of green product. This is because that many consumers are very sensitive to price of green products as many researchers argued, and economic benefit is so visible and computable that reduce consumer’s perceived cost. Therefore, for inducing the adaption of green product, the way of appealing and presenting product information about price premium and potential economic benefits is very important in marketing communication with consumers. However, the extant many researches have focused on highlighting that which benefits of product depending on individual difference is more attractive to people, rather than both price and benefit. There is a general lack of study on this issue in the extant literature. Furthermore, previous experiments about green products have another limitation that it is difficult to reflect the real choice of green product. Many empirical researches have focused on an attitude toward product or advertisement, a preference or a purchase intention as dependent variables, which are mostly used for predicting consumer’s choice of product. However, choice does not always and reflect the attitude toward product or advertisement, preference or purchase intention. Thus, the more research reflected actual choice of green product or conventional product is considerably needed. To fill the gap in the extant literature, this research develops and tests hypotheses on how different presentations of price premiums and monetary savings of eco-friendly products affect consumers’ choice of those product, based on extended Thaler (1985)’s Hedonic editing hypothesis of mental accounting theory, which this study proposed. In extended Thaler’s Hedonic editing hypothesis, alternative presentation (all of segregation) is added to original Thaler’s Hedonic editing hypothesis, to compensate for limitation of original hypothesis that most fragmentarily consider two attributes of product (e.g. one gain and one loss, one gain and one gain), even though attributes of products can be composed of several attributes. Therefore, this research investigates whether presenting price premiums and monetary savings in an integrated manner, a segregated manner or an all of segregated manner leads to differential choices, depending on the relative sizes of monetary gains and losses of various eco-friendly products. Additionally, this study also analyze the moderating effect of consumer’s product involvement. According to ELM model (Petty and Cacioppo 1979), the different methods of inducing persuasion may work in decision-making process, depending on level of involvement. To be specific, under high involvement, conditions the quality of the arguments contained in a message has had a greater impact on persuasion (central route). While, under low involvement conditions, peripheral cues such as attractiveness of a message source or the number of positive or negative messages have had a greater impact on persuasion (peripheral route). Therefore, this study suggests that consumers with low product involvement will more choose green product in message condition, which has the greatest number of positive information, while the consumers with low product involvement will have no difference in choice of green product, depending on different presentation. This study conducted an experiment about a choice between green product and non-green product on different presentation of monetary costs and benefits (integration, segregation, all of segregation), in each types of product (multiple gain product, mixed gain product, mixed loss product). We selected representative product for each type of product, after investigating market research (multiple gain product-washing machine; mixed gain product-LED bulb and rechargeable battery; mixed loss product-hybrid car) as shown in Table 1, and the price of each green and conventional product and cost saving amount of green product is based on real product’s attributes, in an experiment. In doing so, this study analyzed and compared the proportion of choice of green product in each conditions, by using omnibus chi-square test with SPSS 21.0 (Sharpe 2015). The findings of the empirical study shows that the effect of presentations of price and monetary savings is only significant to low product involvement consumer in all product categories, excepted for hybrid car. The results showed that low involvement consumers make many choices of green product in condition, which has the greatest number of positive information. Specifically all of segregation is the most persuasive than other presentation for LED bulb to low involvement consumer, but all of segregation is the less persuasive for rechargeable battery. This results indicate that the persuasive way of presentation is different depending on attributes of each product although LED bulb and rechargeable battery is classified as same types of product. The contribution of this study to the literature on choice of eco-friendly products in perspectives of mental accounting theory is four-fold. First of theoretical contribution, this study could extend and develop Thaler (1985)’s Hedonic editing hypothesis, by proposing alternative presentation (all of segregation). Additionally this study found that the proportion of choice of green product can be different in same type of product, depending on attribute of product. Third, this study reflected actual choice of green product by considering consumer’s choice as dependent variables, rather than attitude, preference or purchase intention. Finally, in managerial implication, this study provide managerial guidelines and strategy how to present the message about green product to increase consumer’s choice, depending on product type. Further research for extend and develop this study are currently underway.
        3,000원
        125.
        2016.06 KCI 등재 구독 인증기관 무료, 개인회원 유료
        This study was executed to deduce the factors affecting eco-friendly behaviors and attitudes, to analyse the difference of eco-friendly behaviors and attitudes between countries, and to draw the variables affecting clothing recycling behavior. The sample comprised people from the UK, China, South Korea. The results were as follows. The four factors related to eco-friendly behaviors and the five factors related to eco-friendly attitudes were derived from the results of factor analysis. In the case of eco-friendly behaviors, four eco-friendly behavior factors showed a significant difference all according to gender and country. In the case of eco-friendly attitudes, saving of natural resources for eco-friendly life, recycling for eco-friendly life, and individual preference for eco-friendly life showed a significant according to gender, also recycling for eco-friendly life, individual preference for eco-friendly life, social awareness for eco-friendly life, and company’s awareness for eco-friendly life showed a significant difference according to country. All of the variables related to clothing recycling behaviors showed the significant difference according to gender and countries. It was verified that the stronger the behaviors or attitudes for waste recycling and environmental protection, individual preference for eco-friendly life, saving of natural resources, buying eco-friendly products, and separate collection for recycling, the more positive the action to clothing recycling. The results of this study will be helpful to establish a marketing strategy for each country and to deduce a plan to attract clothing recycling form people.
        4,500원
        126.
        2016.06 KCI 등재 구독 인증기관 무료, 개인회원 유료
        본 연구에서는 동물플랑크톤인 Daphnia magna를 이용하 여 유해조류인 Microcystis aeruginosa, Anabaena variabilis, Limnothrix planctonica에 대한 제어 가능성을 평가하였다. D. magna와 유해조류를 공생배양 시킨 경우, M. aeruginosa (80.2±4.2%), A. variabilis (39.7±4.0%) 그리고 L. planctonica (25.9±10.9%)의 순으로 조류 발생 억제효율을 보였 다. 동물플랑크톤의 섭생에 의한 조류 제어 효과 이외에 D. magna의 대사/분비물질의 조류 제어 가능성을 확인할 수 있 었다. D. magna를 배양한 배지를 유해조류 제어에 이용했을 때, M. aeruginosa와 A. variabilis에 대하여 각각 24.9±9.9% 와 8.9±4.0%의 성장 억제효과를 확인할 수 있었다. 하지만, L. planctonica에 대한 성장 억제효과는 나타나지 않았다. 본 연구의 결과를 통하여 동물플랑크톤인 D. magna를 활용한 친환경적 유해조류 제어기술 개발이 가능할 것으로 판단된 다.
        4,000원
        127.
        2016.04 KCI 등재 구독 인증기관 무료, 개인회원 유료
        생태복지는 인간의 복지와 건강한 생태계의 상호관계성에 대한 국제적 담론에서 시작되었다. 본 연구는 국립공원이 생태복지의 최대 실현가능 지역이라는 점에서 국립공원에 적합한 ‘국립공원 생태복지’ 개념을 정립하고 정책방향을 설정함으로써 향후 국립공원에서의 생태복지 실현을 도모하기 위한 기초자료를 제공하는데 그 목적이 있다. 이를 위해 사전워크숍과 총 2회에 걸친 델파이 조사를 수행하였다. 본 연구를 통해 ‘국립공원 생태복지’는 국립공원에서 생태계의 지속가능성과 생물다양성을 유지하며, ‘국립공원 인간복지’와 ‘국립공원 생태계복지’의 조화를 지향하는 복지로 정의되었다. 2차 델파이 결과 모든 항목에서 평균 4.00 이상, 내용 타당도(CVR) 0.37 이상, 변이계수(CV) 0.5 미만으로 타당한 내용으로 확인되었다. 국립공원 생태복지의 정책방향을 설정하기 위해 생태복지의 바탕이 되는 생태계서비스의 요소들 중 국립공원에 적합한 주요 요소를 도출한 결과 공급서비스에서 먹이·식량, 물, 유전자원 3 항목, 조절서비스와 기반(서식지)서비스의 모든 항목, 문화서비스에서 미적정보, 휴양관광, 심신치유, 지식체계․교육적 가치 4항목이 최종 도출되었다. 또한 본 연구에서는 국립공원 생태복지의 개념과 향후 국립공원 생태복지 정책이 어떻게 나아가야할지 방향성을 제시하였다. 그러나 이를 실현하기 위해서는 향후 이에 대한 구체적인 단위사업에 대한 실행계획이 수반되어야 하며 이를 위한 추가적인 연구가 필요할 것이다.
        4,000원
        129.
        2016.04 구독 인증기관·개인회원 무료
        Various insect pests and plant disease can outbreak in a field. For the effective control of pests and plant diseases during crop cultivation, farmers simultaneously or sequentially spray various eco-friendly agricultural materials (EFAM), chemical pesticides and microbial control agents on the same fields. It was reported that many agrochemicals are harmful to entomopathogenic fungi, especially some fungicides with broad spectrum activity that are routinely applied for the control of plant diseases. In addition, some pesticides may antagonize the potential insecticidal activity and efficiency of entomopathogenic fungi. Therefore, sometimes the utilization of fungal entomopathogen in forestry and agricultural production is limited because of the undesirable interference from some fungicides and pesticides. There is little research that examines the compatibility of these EFAMs with entomopathogenic fungi and the influence of EFAMs on the control efficacy of mycopesticides. We conducted a study of influence of pretreated eco-friendly agricultural materials on control efficacy of Isaria javanica isolate against sweet potato whitefly.
        130.
        2015.12 KCI 등재 구독 인증기관 무료, 개인회원 유료
        The purpose of this study is to find food safety approach in the Eco-label Chain of Custody(CoC) which is only focused to traceability. Because, consumers want to be assured the certified seafood comes from sustainable fishery as well as hygienic. In order to this approach, we used Analytic Hierarchy Process(AHP) method as belows. We first understood the CoC criteria for using pair-wise comparison and analyzed and selected each Eco-label certifications and standards. Second, we carried out a survey to the targeted standard Marine Stewardship Council(MSC) CoC auditors all over the world and analyzed the priorities of food safety approach to 4 principles and 12 criteria belong the MSC CoC Standard. As the results, we found out that‘Management System’has the highest priority in the principles and ‘.Documentation’and‘Keeping Record’are the most important criteria for this approach. In addition, ‘.Training’and‘Identification’are also higher priority of criteria. So, we suggested food safety approach method for improvement of these criteria in conclusion based on discussion with specialist in this field.
        4,200원
        131.
        2015.12 KCI 등재 구독 인증기관 무료, 개인회원 유료
        본 연구의 목적은 T. S. 엘리엇의 황무지에 나타난 여성들의 노래를 통하 여, 여성의 억압과 자연의 착취 사이에 직접적 연관성이 있음을 진단하는데 있 다. 또한 이를 종교학, 여성학, 생태학적 비평을 융합하여 사회의 불평등 구조를 진단하고 해결하려는 시도를 하였다. 이전에 연구되었던 수많은 엘리엇의 선행 연구들은 다양하고 풍성하였다. 하지만 그의 종교성과 음악적 요소는 부분적으 로 연구되었고, 특히 여성들의 성적타락과 부도덕에 관해서 많은 비판이 있었던 반면, 그들의 노래에 재현된 고통과 갈망에 대한 연구를 거의 찾아볼 수 없었다. 생태비평적 관점에서도 여성들의 영성에 관한 연구는 찾아보기 힘들다. 따라서 본 논문에서는 엘리엇이 노래와 내러티브에 효율적으로 반향시킨 여성들의 종 교적 영성을 에코페미니스트 관점에서 분석하였다. 이는 황무지를 새롭게 재 해석하는 시도가 될 것이다. 엘리엇이 황무지에서 효율적으로 그려낸 신의 죽음/영성의 부재에 대한 각성, 황폐화된 자연환경, 여성의 억압적 사회구조를 인식하여, 조화롭고 평등한 사회로 발전시킬 가능성을 타진하였다. 이를 위하여 치유의 영적 에코페미니즘을 적용하여 분석하였다.
        5,500원
        132.
        2015.08 KCI 등재 구독 인증기관 무료, 개인회원 유료
        Recently, some fashion retailers have initiated sustainable actions in the form of corporate social responsibility (CSR) activities to address consumers’ social concerns. This study intends to combine the concept of CSR motivation attributions with brand extension literature in order to examine how consumers’ trust of a parent brand affects their CSR motivation attributions and ultimately their attitudes towards parent-brand CSR activities and sustainable extension lines. A self-administered online survey was conducted using scenarios describing a fast fashion retailer introducing a sustainable line. Data from 303 female U.S. consumers, aged between 18 and 34 years, were used for the statistical analysis. Data analyses were conducted using SPSS 21.0 for descriptive analysis, exploratory factor analysis, and regression analysis. The results revealed that all hypotheses were supported. The findings show that consumers’ trust of a parent brand has an indirect impact on positive attitudes towards the parent brand’s CSR activities as well as the sustainable extension product line, mediating positive evaluations of the brand’s social CSR motivations. In addition, this study suggests consumers’ prior trust of the parent brand is a variable that affects consumers’ evaluation of CSR motivation sincerity. Marketing suggestions and thoughts based on the findings of this study were provided.
        5,100원
        133.
        2015.08 KCI 등재 구독 인증기관 무료, 개인회원 유료
        This study developed a portable extinguishing equipment that can extinguish A-class, B-class fire. This equipment is made of Water Mist Gun, controlling board, decelerator, pump, engine, and etc,. This equipment is formed mist water when pressurized water with high pressure flows through a radial shape nozzle. As a result of several efficiency tests, it is developed nozzle and equipment that are not clogged, and improved the extinguishing efficiency. This developed equipment indicated a excellent effect of initial extinguishment of fire in a vulnerable area where it is difficult to approach such as temple, and traditional market.
        4,000원
        134.
        2015.06 KCI 등재 구독 인증기관 무료, 개인회원 유료
        Corporate association—which refers to consumers’ beliefs, knowledge, perceptions, and evaluations of a corporation—can affect consumers’ purchasing intentions. Corporate association consists of corporate ability association and corporate social responsibility association. Corporate ability association refers to a company’s product quality, corporate innovation, productivity, consumer orientation, and after service. Corporate social responsibility association, which refers to the social perspective a company has of its responsibility to society, can affect corporate image and consumers’ purchasing intentions. Eco-labeling for protecting and sustaining the environment is one of the important green marketing strategies in the fashion business that can influence corporate association and consumers’ purchasing intentions. The purpose of this study was to investigate the effect of consumers’ eco-label recognition on their corporate association and intentions to purchase eco-friendly fashion products. Questionnaires were distributed to consumers. The 263 usable questionnaires that were returned were analyzed by descriptive statistics, Cronbach’s alpha, factor analysis, regression analysis, and t-test. The results were as follows: There was a significant effect of eco-label recognition on corporate association (ability association and social responsibility association). Eco-label recognition and corporate association were found to significantly affect consumers’ purchasing intentions. Regarding the eco-friendly fashion product buying experience, there was no significant difference on corporate association and buying intention, but there was significant difference on eco-label recognition.
        4,600원
        135.
        2015.06 KCI 등재 구독 인증기관 무료, 개인회원 유료
        The several experiments of Diesel vehicles using EFT were completed. The experiments were performed on chassis dynamometer and road driving test using test mode such as FTP-75 and LA-4. The experiments were employed to measure the effect eco-friendly EFT additives on exhaust emissions and fuel consumption efficiency. In this experiment, the following results are obtained by analyzing the data relativity between exhaust emissions and EFT additives. The value of exhaust emissions such as NOX, SOX, CO2 and PM were improved as Diesel mixed EFT additives at th ratio of 200:1. The improvement of resulting data value was best PM, NOX, SOX, CO₂and fuel consumption rate in the order named.
        4,000원
        136.
        2015.06 KCI 등재 구독 인증기관 무료, 개인회원 유료
        This study developed an up-flow wetland providing either an eco-friendly follow-up process of medium-sized public treatment facility for livestock manure or a non-point source pollution controller near livestock farms. The four bench-scale up-flow wetlands were operated with four different bed media sets. The removal efficiencies of the wetland effluent for CODCr, TN, TP, SS were 35.2 %, 29.5 %, 31.2 % and 52.2 % for set 1(Blank, without reed, with bio-ceramic), 40.6 %, 43.4 %, 42.2 % and 55.4 % for set 2(with bio-reed&without bio-ceramic), 45.2 %, 48.7 %, 46.6 % and 66.3 % for set 3(with bio-reed&bio-ceramic), 32.9 %, 27.3 %, 29.3 % and 54.1 % for Set 4(with reed&bio ceramic), respectively. The set 3 condition having a mixture of bio-reed and bio-ceramic showed the highest efficiency in the bench-scale evaluation. This study suggests a mixture of bio-reed and bio-ceramic as suitable bed media in the construction of artificial wetlands near livestock farms. Soils including the bed media were monitored during the evaluation for trace elements. Soil analysis results were satisfied with the Korean Soil Contamination Standard. This study showed that the up-flow constructed wetland was feasible to treat the effluent livestock wastewater treatment facility.
        4,300원
        137.
        2015.04 KCI 등재 구독 인증기관 무료, 개인회원 유료
        충해 또는 병충해 관리용 친환경유기농자재로 목록공시된 제품 29종의 배추좀나방과 파밤나방 유충, 복숭아혹진딧물 성충, 꽃노랑총채벌 레 성충에 대한 살충과 섭식저해활성을 분무법과 잎침지법을 이용하여 실내에서 평가하였다. 배추좀나방 유충에 대해 추천농도 분무 또는 잎침지 시 유효성분으로 고삼 추출물 60% 단제(EOIS)와 고삼외 3종 식물 추출물(백부근, 멀구슬나무, 개박하, EIOSm) 및 고삼외 2종 식물추출물 (EOISc)을 함유한 혼합제의 살충력이 우수했다. 하지만 반량 처리 시 그 활성은 50% 이하로 감소되었다. 파밤나방 유충에 대해서는 고삼 60% 단제(EOIS)만이 우수한 살충력을 보였고, 비슷하게 꽃노랑총채벌레 성충에 대해 잎침지 후 24시간과 48시간 노출 시 85%와 95%의 살충력을 나타냈다. 복숭아혹진딧물 성충에 대한 분무시험에서 고삼 외 3종 혼합제(EOISm)와 유채외 2종 혼합제(EOIR)가 93%와 68% 살충력을 보였 는데, 농도를 배량 증가시켜도 살충력은 크게 향상되지 않는 경향을 보였다. 추천농도 잎침지에서는 고삼외 3종 혼합제(EIOSm)만이 100%의 강 한 접촉독성을 나타냈는데, 노출 시간과 농도를 증가시키면 시트로넬라오일외 1종(EOICi)과 유채외 2종 혼합제(EOIR)들의 살충력이 증가하였다. 흥미롭게도 cedar oil 16%(EOICe), 고삼 60% 단제(EOIS), 고삼외 3종 혼합제(EIOSm), 고삼외 2종 혼합제(EOISc), 미생물 89.62%(EOIM), 유 채외 2종 혼합제(EOIR), 식물추출물(EOIPe), 차나무추출물 48%(EOIT)제 등은 파밤나방에 대해 분무처리 시 강한 섭식저해활성을 나타냈다. 또한 배추좀나방 유충에 대해서도 이들 혼합제들 이외에 3종 미생물제들(EOIB, EOIM, EOIBs)과 시트로넬라오일외 1종(EOICi), 겨자외 2종 (EOIMc) 등의 식물 추출물 혼합제들이 70% 이상의 섭식저해활성을 나타냈다. 이상의 결과, 대상 곤충 종 및 유효성분이나 처리량에 따라 살충 력과 섭식저해력이 차이를 보였으나, 전체적으로 고삼추출물외 2-3종 식물추출물을 복합적으로 함유한 혼합제들의 유효력이 우수하게 나타남을 알 수 있었다.
        4,200원
        138.
        2015.04 구독 인증기관·개인회원 무료
        Insect pests on cruciferous crops and their natural enemies were surveyed during 2009~2011 in Daegwallyeong highland region which has been famous for summer Kimchi cabbage production in Korea since 1970s. Totally 15 insect pests have been reported in cabbage field in Daegwallyeong. Diamondback moth (DBM, Plutella xylostella) imported cabbage worm (Artogeia rapae L.), cabbage armyworm (CAW, Mamestra brassicae L.), cabbage looper (CL, Trichoplusia ni), cabbage sawfly (Athalia rosae ruficornis Jakovlev), and turnip aphid (Liphapis pseudobrassicae (Davis)) were the dominant pest species among the 15 species. For monitoring as well as controlling insects with weak flight, yellow sticky cards (10×15㎝) were used in cabbage fields. The sticky cards were hanged on plastic stick and placed at a 2-5 m distance within cabbage field (1,000㎡). Sex pheromone traps were employed for monitoring and controlling insects with strong flight. The survey result showed that there was significantly reduced pest occurrences in treated, compared to untreated condition. Similarly, The results from the sex pheromone traps were coincident with those of sticky trap. DBM, CAW and CL were found less in the treated than untreated fields; by 67.5%, 70.6% and 44.0%, respectively. Although the control efficacy of such traps was less than that of chemical spray, the use of sticky card trap combined with sex pheromone trap could be useful management tools for controlling insect pests in cabbage fields.
        139.
        2015.04 구독 인증기관 무료, 개인회원 유료
        This study documents the 3-phase BLDC(Brushless DC) motor to improve conventional ventilator motor. Energy efficiency, noise, and air pollution reduction for the high-performance vibration of the BLDC motor has been used in many fields. BLDC motors for ventilator, we studied the controller and software.
        4,000원