• Title/Summary/Keyword: insect repellency

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Repellency test of aroma insect repellent against insect vectors (아로마 해충기피제의 기피력 테스트)

  • 이종권;윤화경
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.5 no.4
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    • pp.279-281
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    • 2004
  • The pulp fabric impregnanted 100% natural insect repellent was evaluated in an environmental chamber (laboratory, mongsanpoo beach, taejo Mt, naksan and seolak beach) for their repellent efficacy against insects. The results showed significant average repellency of 91%, 78%, 90%, and 93% of laboratory, mongsanpoo beach, taejo Mt, naksan and seolak beach, respectively, during the 1hour of exposure period.

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Repellency of Herb Plants and Essential Oils Against the Green Peach Aphid, Myzus persicae (허브류 식물과 정유의 복숭아혹진딧물에 대한 기피 효과)

  • 김기황;정훈채
    • Journal of the Korean Society of Tobacco Science
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    • v.25 no.1
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    • pp.7-11
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    • 2003
  • Repellencies of herb plants and essential oils against alate Myzus persicae were investigated in a insect cage, a screen house, and a tobacco field. Numbers of nymphs deposited by alate or apterous Myzur persicae were lower on rosemary(Rosmarinus officinalis), silver thyme (Thymus vulgaris), and lemon balm(Melissa of fcianazis). Rosemary and silver thyme show little repellency against alate Myzus persicae on a nearby tobacco plant Rosemary oil, peppermint (Mentha piperita) oil, and ginger oil showed repellency against alate Myzus persicae, but spearmint (Mentha spicata) oil and lavender oil showed little repellency in a screen house. Rosemary oil, ginger oil, peppermint oil, lavender oil, and spearmint oil showed repellency against alate Myzus persicae in a tobacco field, but there was no significant difference among oils.

Insect Repellency and Crop Productivity of Essential Oil Films

  • KIM, Jin Gu;KANG, Seok Gyu;MOSTAFIZ, Md Munir;LEE, Jeong Min;LEE, Kyeong-Yeoll;HWANG, Tae Kyung;LIM, Jin Taeg;KIM, Soo Yeon;LEE, Won Hee
    • Journal of the Korean Wood Science and Technology
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    • v.48 no.1
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    • pp.95-106
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    • 2020
  • The purpose of this study was to determine the effects of coniferous essential oils (EOs) blended films on insect repellence and crop productivity. Low-density polyethylene (LDPE) film is widely used, especially in agriculture and for food packaging. Ethylene vinyl acetate was blended with LDPE to reduce volatilization of EOs. An EO from Japanese cypress (Chamaecyparis obtusa) was incorporated into the blend film to conduct field research on antimicrobial and insect repellent properties. Among the various concentrations of EO, the highest concentration (2.5%) showed the highest efficiency in terms of pesticidal activity. The ability to inhibit microbial growth can be explained by the lipophilic properties of the EO component, and many studies have already demonstrated this. Agricultural films containing all types of EO have been tested on various crops such as chili, cucumber, Korean melon and have been able to verify their effectiveness in avoiding pests and increasing yields. From these results, it was found that it is reasonable to use a modified film such as a composite film containing an EO for agriculture. Thus, the modified film containing EO has undoubtedly shown impressive potential for reducing the use of pesticides in a variety of ways, not only for agricultural mulching film but also for food and agricultural product packaging. This product is an environmentally friendly chemical and is safe for agricultural and industrial and food packaging applications, among others. In particular, the use of agricultural films significantly reduces the use of pesticides, suggesting that farmers can increase their incomes by reducing working hours and costs, and increasing production.

Repellency test of natural insect repellent against insect vectors (천연향을 내는 해충기피제의 기피력 테스트)

  • Lee Jong-Kwon;Yun Hwa-Kyung
    • Proceedings of the KAIS Fall Conference
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    • 2004.06a
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    • pp.285-287
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    • 2004
  • $100\%$천연향을 이용하여 제작, 개발된 해충기피제의 기피력을 테스트하였다. 해충기피제를 착용한 그룹과 착용하지 않은 그룹으로 구분하여 실험실에서 사육한 모기와 서해안에 위치한 몽산포 해수욕장, 동해안에 위치한 낙산 및 선악 해수욕장과 천안에 있는 태조산에서 해충에 대한 기피력을 측정하였으며, 각 그룹별로 5명씩 5회에 걸쳐 각 회당 1시간동안에 흡혈개체로부터 물린 갯수를 확인하여 이들의 평균값을 계산하였다. 그 결과, 실험실에서는 $91\%$, 몽산포 해수욕장에서는 $78\%$, 낙산 및 설악 해수욕장에서는 $93\%$, 태조산에서는 $90\%$의 기피력을 보여주었으며, 이는 상당히 탁월한 기피 효과를 나타내었다.

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Development of a Fennel (Foeniculum vulgare) Oil-based Anti-insect Sachet to Prevent the Indian Meal Moth (Plodia interpunctella) (화랑곡나방 유충 방제를 위한 회향오일 기반 방충향낭 개발)

  • Lee, Soo-Hyun;Jo, Heon-Joo;Lee, Yun-Jeong;Han, Jaejoon
    • KOREAN JOURNAL OF PACKAGING SCIENCE & TECHNOLOGY
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    • v.19 no.2
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    • pp.81-85
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    • 2013
  • The stored-product insects have been a serious problem during the entire process of distribution on the food industry. Especially, the Indian meal moth (Plodia interpunctella) is one of stored-product insects which causes harm through penetrating into the food packaging. The objective of this study was to develop the anti-insect packaging material with fennel (Foeniculum vulgare) oil (FO). The FO has been selected for insecticidal substance against P. interpunctella, which was tested by fumigant toxicity assay. An anti-insect sachet was prepared by FO and filterpaper placed in a small paper bag. Repellent test was performed to evaluate the repellent activity of anti-insect sachet. In addition, the controlled release of FO from the anti-insect sachet was determined at $28^{\circ}C$ by gas chromatography (GC). It was demonstrated that FO was an effective substance against P. interpunctella. The mortality of FO was 56% at 800 mg/0.5 L in 120 h. In repellent test, the FO sachet showed effective repellency against P. interpunctella. The developed anti-insect sachet could be a promising source for insect repellent materials in food packaging.

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