Min‐Seok Oh

Jeonbuk National University

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Hoi‐Seon Lee

Jeonbuk National University

Ju Hyun Jeon

Daejeon University

Hyun Ho Noh

National Institute of Agricultural Science and Technology

Chang Jo Kim

National Institute of Agricultural Science and Technology

Sang‐Guei Lee

National Institute of Agricultural Science and Technology

Min‐Gi Kim

Soonchunhyang University

Danbi Kim

Rural Development Administration

Jin‐Ho Ro

Rural Development Administration

Byeong-Chul Moon

Rural Development Administration

Hueng Tae Kim

Cooperative Institutions

Rural Development Administration

National Institute of Agricultural Science and Technology

National Academy of Agricultural Science

Jeonbuk National University

Seoul National University

Chungbuk National University

Instituto de Ciencias Agrarias

Korea Institute of Science and Technology

Korea Advanced Institute of Science and Technology

Gwangju Institute of Science and Technology

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Phototactic response of the rice weevil, Sitophilus oryzae linnaeus (Coleoptera: Curculionidae), to light-emitting diodes

Journal of the Korean Society for Applied Biological Chemistry (2012)

Ju Hyun Jeon Min‐Seok Oh Kyoung-Shik Cho Hoi‐Seon Lee

Rice weevil

Phototaxis

Green-light

10.1007/s13765-012-0006-3

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Phototactic Responses of Various Wavelengths and Light Conditions toward Spodoptera exigua (Hübner)

Min‐Seok Oh Ju Hyun Jeon Hoi‐Seon Lee

The aim of this study was to evaluate light emitting diodes (LEDs) as the potential attractants against Spodoptera exigua on various wavelengths, light intensity and light duration, and compared to that of commercial control, flourescent lamp. The phototactic response to S. exigua was tested by single and complex wavelengths. The single wavelengths were composed as follows: blue (470 nm), green (520 nm), yellow (590 nm) and red (625 nm). The complex wavelengths was combined with two single wavelengths, such as blue-green, blue-yellow, blue-red, green-yellow, green-red and yellow-red. When the optimal light condition was investigated, the all light treatments attracted the highest number of S. exigua at 40 lux intensity and 60 min duration. Based on the single wavelengths under optimal light condition, the green LED exhibited the highest attraction rate (88.9%), followed by blue (81.1%), yellow (63.3%) and red (56.7%), respectively. In case of complex wavelengths under same conditions, the bluegreen complex (93.3%) had the significantly highest attractive activity, whereas blue-yellow, blue-red, green-yellow, green-red and yellow-red wavelengths were slightly decreased in comparison with single wavelengths. These data clearly show that blue-green complex had the greatest attraction against S. exigua.

Phototaxis

Exigua

Green-light

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Effect of thickness of p-type ZnO on ZnO light emitting diodes

한국진공학회 학술발표회초록집 (2006)

Jae-Hong Lim Chang-Ku Kang Dae‐Kue Hwang Min‐Seok Oh Seong-Ju Park

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Pesticidal Effect of 38 Medicinal Plant Extracts against Citrus Mealybug

한국농약과학회 학술발표대회 논문집 (2010)

Min‐Gi Kim Sang‐Guei Lee Min‐Seok Oh Hoi‐Seon Lee

Mealybug

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Acaricidal activities of β‐caryophyllene oxide and structural analogues derived from Psidium cattleianum oil against house dust mites

Pest Management Science (2013)

Min‐Seok Oh Ji‐Yeon Yang Min‐Gi Kim Hoi‐Seon Lee

This study was to evaluate the acaricidal activities of an active compound isolated from Psidium cattleianum and structural analogues against Dermatophagoides farinae and D. pteronyssinus. β-Caryophyllene oxide was isolated using chromatographic techniques.Based on the 50% lethal concentration (LD50) values against D. farinae using the fumigant method, β-caryophyllene oxide (1.36 µg cm(-2)) was ∼ 7.52 times more toxic than benzyl benzoate (10.23 µg cm(-2)), followed by α-caryophyllene (1.75 µg cm(-2)) and β-caryophyllene (3.13 µg cm(-2)). Against D. pteronyssinus, β-caryophyllene oxide (1.38 µg cm(-2)) was ∼ 7.22 times more toxic than benzyl benzoate (9.96 µg cm(-2)), followed by α-caryophyllene (1.71 µg cm(-2)) and β-caryophyllene (3.58 µg cm(-2)). In the contact toxicity method against D. farinae, β-caryophyllene oxide (0.44 µg cm(-2)) was ∼ 17.27 times more active than benzyl benzoate (7.60 µg cm(-2)), followed by α-caryophyllene (0.67 µg cm(-2)) and β-caryophyllene (0.91 µg cm(-2)). Against D. pteronyssinus, β-caryophyllene oxide (0.47 µg cm(-2)) was ∼ 13.06 times more effective than benzyl benzoate (6.14 µg cm(-2)), followed by α-caryophyllene (1.71 µg cm(-2)) and β-caryophyllene (3.58 µg cm(-2)).β-Caryophyllene oxide and structural analogues have potential for development as preventive agents for the control of house dust mites.

Benzyl benzoate

Caryophyllene

Psidium

10.1002/ps.3608

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Insecticidal effects of Tabebuia avellanedae-derived Constituent and its analogues against Nilaparvata lugens and Laodelphax striatellus

Journal of the Korean Society for Applied Biological Chemistry (2011)

Ju Hyun Jeon Min‐Seok Oh Hoi‐Seon Lee

Brown planthopper

10.1007/bf03253168

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Development of Phototactic Test Apparatus Equipped with Light Source for Monitoring Pests

Journal of Applied Biological Chemistry (2010)

Min‐Seok Oh Hoi‐Seon Lee

This study presented a development of a phototactic apparatus for pest monitoring. We carried out behavioral experiment against various pest species by using the phototactic chamber. Consequently, the phototactic apparatus was confirmed suitable result of behavioral experiment. Therefore, we believed that the test apparatus help to understand the phototactic responses of various pests.

Phototaxis

10.3839/jabc.2010.043

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Evaluation of Leaf Dipping and Sample Dry Times for Standardization of Bioassay against Tetranychus urticae

한국농약과학회 학술발표대회 논문집 (2010)

Min‐Seok Oh Ju Hyun Jeon Sang‐Guei Lee Hoi‐Seon Lee

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Measurement of Drift Amount of Ametoctradin+Dimethomorph 47(27+20)% Suspension Concentrate for Unmanned Aerial Spraying Caused by Wind Direction and Speed