• Title/Summary/Keyword: 해충 관리

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Effects of Orchard Environments and Landscape Features on the Population Occurrence of Major Lepidopteran Pests in Apple Orchards (과원 환경과 경관 요소가 사과원 주요 나방류 해충 발생에 미치는 영향)

  • Kim, Hyangmi;Jung, Chuleui
    • Korean journal of applied entomology
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    • v.60 no.1
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    • pp.79-90
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    • 2021
  • Landscape composition and structure are important factors determining biological diversity including pests and natural enemires in agricultural ecosystem. This study was conducted to indentify effect of landscape composition on occurrence of lepidopteran pest population in Geochang, Gyoungdnam. For this, orchard characteristics and management practices were surveyed in 80 conventional apple orchards in Geochang, Korea, along with the monitoring of pest population densities. The landscape features of each surveyed orchard also obtained by extracting information from the public-service map. Grapholita molesta was the most dominat and damaging pest followed by Phyllonorycter ringoniella and Carposina sasakii in trap catches. Adoxophyes paraorana occurrences were low. Farmers spray insecticides and fungicides ap. 12.4 times per year respectively while acaricides were sprayed 2.4 times. Major landscape features such as surrounding apple orchard or paddy field did not influence the pest populations but presence of plum, peach, wild peach, graph, and even abandoned orchards significantly resulted in higher pest population mostly on G. molesta. C. sasakii population was higher in orchards with grape, peach, and P. ringoniella with peach, grape, abandoned orchards and jujube. Results highlight the need of landscape management not only for the rural amenity but also for increasing functional diversity of agroecosystem as well as reducing pest population.

A Systematic Application of Insecticides to manage Early Season Insect Pests and Migratory Planthoppers on Rice (본논초기 해충군과 비래성 멸구류의 밀도억제를 위한 살충제의 체계적 처리에 관한 연구)

  • 배윤환;이준호;현재선
    • Korean journal of applied entomology
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    • v.33 no.4
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    • pp.270-280
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    • 1994
  • This study was conducted to establish a nce insect pest control system, ~ es.ys tematic application of insecticides using carbohran and buproiezin, in Korea. The effects oi various dates of application and rates of buprofezin (25% WP) after carbofuran (3G) soil incorpombon in late May on the pop~~lation densities of the brown planthoppa (BPH) immigrating in July were investigated Appropriate application tune of buprofezin for the BPH that had evaded insecticidal effect of 5011 incorporated carbofuran was late July-early August. Application rate of buprofezln at 7.0g a.i/lOa was enough to suppress the BPH density. Buprofezin treatment after carbofumn soil incorporation could also suppress the whlte backed planthopper population but did not affect the densities oi the paddy rice spiders. Considering the charactenstics of occurring patterns of the nce insect pests in Korea. buprofezin treatment m late July or early August after carbofuran soil incorporation in late May can be a useful application system of ir~sectic~deins controlling early season Insect pests and migmtoly planthoppers on rice.

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Distribution of Forest Insect Pests in Bukhansan National Park, Korea (북한산국립공원 산림해충의 분포)

  • Lee, Chong-Kyu;Cho, Hyun-Seo;Lyu, Dong-Pyeo
    • Korean Journal of Environment and Ecology
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    • v.22 no.2
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    • pp.75-82
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    • 2008
  • This study was carried out to investigate the distribution of forest insect pests of Dobongsan in Bukhansan Nation Park. A total of 76 species of forest insect pests belonging to 29 families under 5 orders were collected in these areas: 24 species 9 families in Lepidoptera; 23 species 9 families in coleoptera; 20 species 4 families in Homoptera; 6 species 5 families in Hemiptera, and 3 species 2 families in Hymenoptera. These were 66 species of 28 families under 5 orders found in Songchoo-gol, and 41 species of 19 families under 5 orders found in Hoeryong-gol. Key foest insects for control pests were confirmed to be Platypus koryoensis, Arcte coerulea, Erannis golda, and Isyndus obscurus was classified predaceous natural enemy.

Insect Pests Occurring in Storage Medicinal Plants (한약재 보관중 발생하는 해충류)

  • Jo, Hyeong-Chan
    • Korean Journal of Medicinal Crop Science
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    • v.15 no.6
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    • pp.417-428
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    • 2007
  • Most oriental medicinal plants in domestic markets have been imported, but these medicines are being easily exposed to many insect pests because of the poorness of storage facilities. This study was carried out to identify stored products insect pests occurring in 158 storage medicinal plants belonging to 134 genera of 67 families. No insect pests were not observed in 44 medicinal plants including Artemisia argyi Levl. et Vant., Cassia sieboldii Presl., and Juniperus chinensis L. Most commonly observed stored products insect pests in the surveyed medicinal plants were the order of as follows; Ahasverus advena(Waltl) 12.3%, Lasioderma serricorne F. 11.5%, Oryzaephilus surinamensis L. 10.3%, Tribolium castaneum (Herbst) 9.4%, Stegobium paniceum L. 8.4%, and Plodia interpunctella(Hbner) 7.9%. And these insects also are likely to prefer more root or rhizome part than the other ones. Based on these basic survey results, natural products researchers can obtain an important information in finding an insecticidal or fumigant compounds contained in the medicinal plants which any insect pests do not attack.

지혜 깊어지는 건강_50대를 지키는 밥상: 무더위를 날리는 아삭한 맛 열무김치 말이 국수

  • Kim, Jae-Min
    • 건강소식
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    • v.35 no.8
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    • pp.22-23
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    • 2011
  • 연일 $30^{\circ}C$를 오르내리는 무더위에 자칫하면 식욕까지 떨어질 수 있다. 여름철에는 무더위로 입맛을 잃을 뿐 아니라 집중호우가 지나간 후 병균, 해충 등의 번식으로 식중독균, 전염병이 돌 수 있다. 여름철 입맛도 살리고 전염병도 예방할 수 있는 식사습관으로 어떤 것이 있을까?

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하우스 인접퇴비는 생리장해 원인

  • 정희돈
    • The Bimonthly Magazine for Agrochemicals and Plant Protection
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    • v.7 no.6
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    • pp.62-72
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    • 1986
  • 작물을 시설내에서 재배한다는 것은 재배환경을 외부와 인위적으로 차단한 상태에서 집약관리를 하는 것으로 뜻하지 않은 생리장해가 발생하기 쉽다. 일반적으로 생리장해의 발현증상은 자칫하면 병$\cdot$해충의 증상으로 오인하여 경제적 손실을 입기 쉬운데 겨울철 시설원예에서 발생하기 쉬운 생리장해의 원인과 대책에 대하여 알아본다.

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Entomopathogenic Fungi-mediated Pest Management and R&D Strategy (곤충병원성 진균을 활용한 해충 관리와 개발 전략)

  • Lee, Se Jin;Shin, Tae Young;Kim, Jong-Cheol;Kim, Jae Su
    • Korean journal of applied entomology
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    • v.61 no.1
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    • pp.197-210
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    • 2022
  • Entomopathogenic fungi can be used to control a variety of sucking and chewing insects, with little effect on beneficial insects and natural enemies. Approximately 170 entomopathogenic fungal insecticides have been registered and used worldwide, with the recent focus being on the mode of action and mechanism of insect-fungal interactions. During the initial period of research and development, the industrialization of entomopathogenic fungi focused on the selection of strains with high virulence. However, improvement in productivity, including securing resistance to environmental stressors, is a major issue that needs to be solved. Although conidia are the primary application propagules, efforts are being made to overcome the limitations of blastospores to improve the economic feasibility of the production procedure. Fungal transformation is also being conducted to enhance insecticidal activity, and molecular biology is being used to investigate functions of various genes. In the fungi-based pest management market, global companies are setting up cooperative platforms with specialized biological companies in the form of M&As or partnerships with the aim of implementing a tank-mix strategy by combining chemical pesticides and entomopathogenic fungi. In this regard, understanding insect ecology in the field helps in providing more effective fungal applications in pest management, which can be used complementary to chemicals. In the future, when fungal applications are combined with digital farming technology, above-ground applications to control leaf-dwelling pests will be more effective. Therefore, for practical industrialization, it is necessary to secure clear research data on intellectual property rights.