http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
Kashinath Chiluwal,Byung Ho Lee,Kwon Tae Hyung,Junheon Kim3,Soon Do Bae,Yonglin Ren,Chung Gyoo Park 한국응용곤충학회 2017 한국응용곤충학회 학술대회논문집 Vol.2017 No.10
Ethyl formate (EF) and methyl salicylate (MS) are naturally occurring and generally safe substances for use. Sub-lethaldoses of EF and MS were evaluated to find synergistic fumigation action against azuki bean beetle (ABB), Callosobruchuschinensis (L.). Susceptibility of the ABB to EF was in the order of eggs =adults >larvae >pupae. Adults was most sensitiveto MS, and followed by eggs. Larvae and pupae were highly tolerant to MS. However, in synergistic effects of EF andMS showed that all the stages of ABB were highly sensitive in the order of adults >eggs >larvae >pupae. Highest synergisticratio was found against adults when using LC10 of both EF and MS as compared to other stages. Notably, MS synergizedthe EF exposure to all stages of ABB. This finding paves the way to exploiting synergistic activity of MS and EF againstABB for the safeguard of stored azuki bean grains.
Junheon Kim,Seon-Mi Seo,Eunae Kim,Hwa-Jeong,Yeom, Il-Kwon Park,Sang-Chul Shin 한국응용곤충학회 2010 한국응용곤충학회 학술대회논문집 Vol.2010 No.05
Plant essential oils from 26 plant species were tested for their insecticidal activities against the Japanese termite, Reticulitermes speratus Kolbe, using a fumigation bioassay. Responses varied with source, exposure time, and concentration. Among the essential oils tested, strong insecticidal activity was observed with the essential oils of ajowan (Trachyspermum ammi), allspice (Pimenta dioica), caraway (Carum carvi), dill (Anethum graveolens), geranium (Pelargonium graveolens), and litsea (Litsea cubeba). The composition of six essential oils was identified by using gas chromatography-mass spectrometry. The compounds thus identified were tested individually for their insecticidal activities against Japanese termites. Responses varied in a dose-dependent manner for each compound. Phenol compounds exhibited the strongest insecticidal activity among the test compounds further, alcohol and aldehyde groups were more toxic than hydrocarbons. The essential oils and compounds described herein merit further study as potential fumigants for termite control.
Effect of Gamma Ray Irradiation on the Development of Drosophila suzukii (Diptera: Drosophilidae)
Jeongmin Kim,Seohae Lee,Junheon Kim,Chung Gyoo Park 한국응용곤충학회 2015 한국응용곤충학회 학술대회논문집 Vol.2015 No.04
Spotted wing drosophila, Drosophila suzukii, native to eastern and southeastern Asia, has become one of the most harmful pests causing serious damage to fruits such as blueberry, cherry, and others in Northern America and Europe. For quarantine sanitary purpose, methyl bromide (MeBr) has been used for a long time. However, it is under regulation because of its adverse effect of ozone layer depletion. Thus, alternative strategies to MeBr are needed to meet the quarantine requirement. In this study, we investigated effects of gamma ray irradiation (0, 50, 100, 200 and 300 Gy) on the development and reproduction of D. suzukii to offer a guideline in using gamma ray for dis-infestation of this pest. The higher doses of gamma ray caused more adverse effects on development and hatchability of D. suzukii. Development and oviposition of D. suzukii was significantly depressed at above certain doses, respective to each developmental stage. When eggs were treated with the doses of gamma ray, eggs hatched in some ratios at all doses. Even though some larvae developed to pupae under 100 Gy irradiation, all these pupae did not emerge to adults at all doses. When larvae were treated with gamma ray, some of them pupated at each doses. However these pupae did not emerge to adults at all under all doses. When pupae were irradiated, the emerged adults did not oviposit eggs above 100 Gy. When adults were irradiated, oviposition occurred normally, but fecundity and hatchability of the eggs were reciprocal to the doses.
Sihyeon Kim,Jong Cheol Kim,Mi Rong Lee,So Eun Park,Dongwei Li,Sehyeon Baek,Laila Gasmi,Min Sung Jo,Tae Young Shin,Junheon Kim,Jae Su Kim 한국응용곤충학회 2019 한국응용곤충학회 학술대회논문집 Vol.2019 No.04
Insect killing fungus Beauveria bassiana has been widely studied as a biological control agent. However, many studies have been focused on lab or field-based management. Herein this work, comparison of three B. bassiana strains was investigated under a molecular level. The whole genome sequences of ERL836, JEF-007 were analyzed by PacBio (35.5 Mb of ERL836 and 36.5 Mb of JEF-007) and ARSEF2860 referenced from GenBank (33.7 Mb). To compare the three strains, virulence, thermotolerance and chemical resistance were assayed. The transcriptomes of non-infecting B. bassiana and infecting B. bassiana against western flower thrips were analyzed using RNA-seq. This work can provide that genome features, functions, morphology and gene expression could be different under the molecular level, even if in the same species.
Eunae Kim,Junheon Kim,Seon-Mi Seo,Hwa-Jeong Yeom,Hye-Mi Park,Il-Kwon Park,Sang-Chul Shin 한국응용곤충학회 2010 한국응용곤충학회 학술대회논문집 Vol.2010 No.10
In this study, we investigated the nematicidal activities of 102 Korean domestic plant extracts which have not been tested before against B. xylophilus. Nematicidal activity of plant extracts were varied according to plant species and extraction part. Among 102 plant extracts, 42 plant extracts in 22 families showed >50% nematicidal activity against pine wood nematode at 10 mg/mL concentration. Among 31 wood extracts, very strong nematicidal activity (100%) was produced from extract of Neolitsea aciculate, Prunus sargentii and Rhus chinensis at 10 mg/mL concentration. Extracts from Camellia japonica, Carpinus cordata, Daphniphyllum macropodum, Eucommia ulmoides, Ilex cornuta, Myrica rubra, Vaccinium bracteatum, and Zelkova serrata showed strong nematicidal activities (80-99%). The other samples exhibited activities <80%. In a test with leaf extracts, strong neamticidal activity was observed in extract of Machius japonica (100%) followed by Picea koraiensis (99.4%), Meliosma oldhamii (82.7%), and Zelkova serrata (81%). The other 37 plant species revealed <80% mortality. Strong nematicidal activity (>80%) was observed from bark extract of Carpinus cordata, Comus kousa, Cryptomeria japonica, Machius japonica, Quercus glauca and Zelkova serrata. Nematicidal activity of other 19 bark extracts was less than 80%. Twig extract of Smilax china and fruit extract of Forsythia koreana showed 86.6 and 81.4% nematicidal activity at 10 mg/mL concentration, respectively.
Effect of X-ray Irradiation on Developmental Stages of Drosophila suzukii (Diptera: Drosophilidae)
Jeongmin Kim,Seohae Lee,Junheon Kim,Chung Gyoo Park 한국응용곤충학회 2015 한국응용곤충학회 학술대회논문집 Vol.2015 No.04
Spotted wing drosophila (SWD), Drosophila suzukii, is one of the most harmful pests causing serious damages to blueberries in Northern America and Europe. It is essential to seek alternatives to methyl bromide to ensure dis-infestation of this pest from agricultural products. We investigated the effect of X-ray irradiation (0, 50, 100, 200 and 300 Gy) on development and reproduction of SWD to meet this standard. When eggs were irradiated with the doses, some portion of the eggs hatched even at 300 Gy. The larvae hatched from the irradiated eggs did not pupate at 300 Gy, and they could not develop to adults even at 50 Gy. When larvae were irradiated, they developed up to pupa in some proportion. However above 100 Gy, there was no adult emergence. When pupae were irradiated, some of them emerged to adults. However, the adults could not produce eggs at all above 100 Gy. When adults were irradiated, oviposition occurred normally, but fecundity and hatchability were decreased as irradiation dose went up.
Attraction of Athetis dissimilis to the pheromone components of Euzophera batangensis
Jeongmin Kim,Junheon Kim,Sin Ae Jang,Miyeon Jang,Yeon Jeong Lee,Young Sik Cho,Bong Kyu Byun,Chung Gyoo Park 한국응용곤충학회 2015 한국응용곤충학회 학술대회논문집 Vol.2015 No.10
Athetis dissimilis (Hampson) (Lepidoptera: Noctuidae) [뒷흰날개담색밤나방] was attracted to pheromone traps for Euzophera batangesis (Lepidoprera Pyrimidae) [밤알락명나방], when occurrence of E. batangesis was monitored in sweet persimmon orchard with its pheromone, (Z)-9-tetradecenol (Z9-14OH), (Z9,E12)-9,12-teradecadienol (Z9,E12-14OH) and their mixture. With the components, we monitored the seasonal occurrence of A. dissimilis, tested response of the moth to single or mixed components, and compared efficacy of three different types of traps. A. dissimilis was trapped on May 14 for the first time. First occurrence peak was observed during June 4-24 and second peak during August 20 – September 10. A. dissimilis was attracted to single component of Z9-14OH and Z9,E12-14OH and to their mixture at Jinju, Sancheong, and Sacheon. In trap efficacy tests, delta traps with white color caught most number of the moths significantly at Sacheon. However, at Sancheong, there was no statistical difference among the traps, although funnel trap caught most number of A. dissimilis. Pest status of A. dissimilis is not known eg. whether it is a pest of persimmon or other fruits. However, with Z9-14OH, E9,E12-14OH and their mixture, it is expected to be monitored and controlled.
Ionizing irradiation to Helicoverpa armigera (Lepidoptera: Noctuidae) as a quarantine treatment
Miyeon Jang,Junheon Kim,Sin Ae Jang,Jeongmin Kim,Yeon Jeong Lee,Eunsik Shin,Chung Gyoo Park 한국응용곤충학회 2015 한국응용곤충학회 학술대회논문집 Vol.2015 No.10
Rapid growth in trade of agricultural products has increased the risk of introduction of exotic pests into new area. In order to fulfill quarantine obligations, several treatments are in practice: fumigation with methyl bromide (MB), application of extreme temperatures, controlled atmospheres, and combinations of them. Although MB was most effective and widely applied for quarantine treatment, its use was banned by the Montreal Protocol. Ionizing irradiation phytosanitary treatments – gamma radiation, electron beam, and X-ray are being used as an alternative to MB currently. For applying ionizing irradiation as a quarantine treatment, there is a research protocol which should be followed, International Standards for Phytosanitary Measure 18 [ISPM #18] and Phytosanitary Treatment Regulation of Korea (Notice 2014-35). We have evaluated the effect of gamma radiation, electron beam, and X-ray on H. armigera as quarantine treatments. In this presentation, ISPM #18 and Notice 2014-35 will be talked with the example of H. armigera.
HSTR(Hongik Squeal Test Rig) 이용한 스킬 소음의 실험적 특성 연구
김지용(Jiyong Kim),황동현(Donghyeon Hwang),이준헌(Junheon Kim),김관주(Kwanju Kim),김재철(Jaechul Kim) 한국소음진동공학회 2015 한국소음진동공학회 학술대회논문집 Vol.2015 No.4
Squeal is a harsh noise of the high-frequency range occurring at the sharp curve tracks. The noise generates while lateral traction force excites the wheel and the rail. Field measurements are difficult to control the parameters and the contact force. Thus, we have made the scaled test rig. The unique feature of our test rig is that wheelset’s movement is similar to that of the railway, as real as possible. The left and right rail roller can be controlled independently for realization of difference of left and right speed at the curved rail. The attack angle and rail roller speed are controlled in real time for simulating a transient characteristic of the driving curve. the contact force between the wheel and the rail are measured by the stain-gage mounted on the rail roller. The relation between creepage and creep force and the criteria for squeal noise have been investigated.
Jong Cheol Kim,Tae Young Shin,Sihyeon Kim,Mi Rong Lee,So Eun Park,Dong Wei Li,Sehyeon Beak,Min Sung Jo,Leila Gasmi,Junheon Kim,Jae Su Kim 한국응용곤충학회 2019 한국응용곤충학회 학술대회논문집 Vol.2019 No.04
Japanese pine sawyer, Monochamus alternatus, is the main pest that mediates pine wilt nematode, Bursaphelenchus xylophilus, that causes serious damage to pine forests. In this study, we studied the strategy to control M. alternatus using entomopathogenic fungi. The fungi were collected from soil by an insect-baiting method and two fungal isolates (Metarhizium anisopliae JEF-197 and JEF-279) showed high virulence against M. alternatus. The Metarhizium isolates were evaluated for insecticidal activity against M. alternatus by spray treatment on live pine trees and wintering trees, and the M. anisopliae JEF-197 showed high insecticidal activity. In addition, the interaction of fungi and M. alternatus were analyzed by RNA-seq. This result can contribute to the development of insect control agents using entomopathogenic fungi.