• 제목/요약/키워드: agricultural pest

검색결과 492건 처리시간 0.023초

First Report of the Peanut Stripe Strain of Bean common mosaic virus (BCMVPSt) Infecting Mungbean in Korea

  • Choi, Hong-Soo;Kim, Mi-Kyeong;Park, Jin-Woo;Lee, Su-Heon;Kim, Kook-Hyung;Kim, Jeong-Soo;Were, Hassan Karakacha;Choi, Jang-Kyung;Takanami, Yoichi
    • The Plant Pathology Journal
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    • 제22권1호
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    • pp.46-50
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    • 2006
  • A virus causing chlorotic ringspot, yellow mosaic and vein clearing symptoms was prevalent on mungbean plants around Taean, Korea. The isolate caused mosaic on Chenopodium quinoa, Nicotiana benthamiana, Phaseolus vulgaris and Vida laba but no symptoms on peanut plants. Inclusion bodies such as scroll, pinwheel and laminated aggregates induced by the virus in the host cells were similar to those produced by members of the Potyvirus subdivision III. Multiple alignment as well as cluster dendrograms of the 709 nucleotide region comprising part of the coat protein gene and 3'untranslated region (UTR) showed that the isolate belongs to the BCMV-PSt subgroup. Altogether, these results support the identification of the causal virus as peanut stripe strain of Bean common mosaic virus (BCMV-PSt).

사과 IPM 미래 전망: 화분매개자 친화형 병해충 종합관리 (IPPM) 전략 (Integrated Pollinator-Pest Management (IPPM) Strategy as Future Apple IPM)

  • 정철의
    • 한국응용곤충학회지
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    • 제60권1호
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    • pp.145-154
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    • 2021
  • 우리나라의 사과 병해충 종합관리는 지난 40여 년간 빠른 진화를 거치며 농작물 중 가장 앞선 시스템으로 발전하였다. 그럼에도 불구하고 농약 중심의 병해충 방제는 천적이나 화분매개자들을 통한 생태계 서비스를 저해하고 있다. 사과는 전형적인 타가수분 작물로서, 곤충 화분매개는 생산량과 품질에 큰 영향을 미친다. 이에, 현행 사과 IPM체계에 화분매개자 등 유용생물 활동을 조장할 수 있는 방안을 추가하여 화분매개 친화형 병해충 종합관리(Integrated pollinator-pest management, IPPM)을 제안한다. 해충군 관리는 기본적으로 발생 예찰, 관리 의사결정, 관리방안의 동원 등 기존 체계를 따른다. 그리고 농업생태계 내 기능적 새생물 다양성 확대를 위한 경관 조작, 화분매개자의 먹이와 번식을 지원하는 화분매개서식처의 조성 등의 생태공학적 접근, 선택적이며 저독성 농약의 적기 적소 처리 등을 제안하고 그 실천적 방법을 제시하였다. 기후변화와 새로운 병해충의 출현 등 변화하는 환경에서 지속가능한 농업생산의 중요한 방향타기 되기를 기대한다.

제주도지역 아스파라거스의 주요 해충 종류, 피해 및 발생양상 (Pest species, Damages and Seasonal Occurrences on Greenhouse Cultivated Asparagus in Jeju, Korea)

  • 최경산;송정흡;양진영;최활란;김동순
    • 한국응용곤충학회지
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    • 제53권3호
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    • pp.231-237
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    • 2014
  • 아스파라거스(Asparagus officinalis)에서 발생하는 해충의 종류 및 피해를 구명하기 위하여 2007년부터 2010년까지 제주도에서 조사를 수행한 결과, 다음과 같이 총 5개목 16종의 해충이 관찰되었다: 파총채벌레(Thrips tabaci), 하와이총채벌레(Thrips hawaiiensis), 차애모무늬잎말이나방(Adoxophyes honmai), 담배거세미나방(Spodoptera litura), 파밤나방(Spodoptera exigua), 왕담배나방(Helicoverpa armigera), 도둑나방(Mamestra brassicae), 네눈쑥가지나방(Ascotis selenaria), 줄고운가지나방(Ectropis excellens), 선녀벌레(Geisha distinctissima), 목화진딧물(Aphis gossypii), 복숭아혹진딧물(Myzus persicae), 청동풍뎅이(Anomala albopilosa), 아스파라거스잎벌레(Crioceris quatuordecimpunctata), 달팽이(Acusta despecta sieboldiana), 작은뾰족민달팽이(Deroceras reticulatum). 그 중에서 파총채벌레는 아스파라거스 전 기간에 걸쳐 발생하여 피해를 주는 해충이었다. 아스파라거스잎벌레와 달팽이류는 봄 수확기에 아스파라거스 순을 가해하여 큰 피해를 주었다. 아스파라거스 입경기부터 생육기에는 진딧물과 나방류 해충이 발생하여 피해를 주었다. 나방류 해충 중에서 파밤나방, 담배거세미나방, 왕담배나방 등 밤나방과 해충의 피해가 많았다. 본 결과를 바탕으로 아스파라거스 재배에서 해충방제 전략에 대하여 고찰하였다.

A Survey on the Perception of Companion Plants for Eco-Friendly Urban Agriculture among Urban Residents

  • Hong, In-Kyoung;Yun, Hyung Kwon;Jung, Young-Bin;Lee, Sang-Mi
    • 인간식물환경학회지
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    • 제24권1호
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    • pp.17-27
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    • 2021
  • Background and objective: This study was conducted as part of research to promote garden diversity and seek sustainable garden management plans, as well as to determine the trends in understanding and use of companion plants as an eco-friendly farming method and provide the results as the basic data for sustainable urban agriculture. Methods: To determine the trends in garden activities, eco-friendly pest control, and use of companion plants, a survey was conducted on 230 urban residents participating in the Urban Agriculture Expert course. 223 copies of the questionnaire were collected excluding missing values, and IBM SPSS statistics Ver. 25 Program was used for frequency analysis, descriptive statistics, and regression analysis. Results: Most of the respondents were female (71.3%), homemakers (26.5%), were in their 50s (29.1%), and had 2 members in the family (27.8%). 164 respondents (73.5%) had experience in gardening, most of them once a week (31.7%) and for self-consumption (55.5%). Both men and women raised crops for safe food production (32.3%), and they most preferred the city garden type (39.9%). For the preparation of nourishment for eco-friendly garden management, most respondents (60.1%) purchased fertilizers from the market. For the reason why eco-friendly pest control is necessary, all respondents except 4 of them (98.2%) responded that it is necessary 'because it affects my health as I eat it (73.5%)', indicating that they still had a high level of interest in health. Only 43.9% of the respondents said that they had heard of companion plants, 89.2% responded that companion plants were effective in eco-friendly management, and 87.4% showed the will to participate in gardening using companion plants in the future. Finally, the regression analysis confirmed that the awareness of companion plants and satisfaction with gardening activities are key variables that increase the intention to participate in gardening activities in the future. Conclusion: Since plants require special care depending on the period and various diseases and insect pests occur, there must be continuous research on companion plants as an eco-friendly farming method. Moreover, by actively using companion plants in urban gardens with the utility value in not only eco-friendly pest control but also in helping plant growth, urban agriculture is expected to be continuously activated and promoted by increasing satisfaction in gardening activities with aesthetic landscaping and pest control.

농약의 관리 및 유통의 문제점과 개선책 (Discussions on Pesticides Management and Marketing in Korea)

  • 배대한
    • 한국응용곤충학회지
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    • 제22권2호
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    • pp.106-129
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    • 1983
  • An emphasized analysis and reviews on the progress of pesticide managements for the past 10 years through the statistics in Korea are summarized in this continued studies in connection with the fundmental aspects and direction of advanced pesticide industry and improved plantprotection policies for 1980's. Remarkable development and changes are observed in the plant species and varieties, plantation practices and production techniques as well as pest infestations and controls in the last decade, but no normal achievement and operations are recognised on the pesticide management and marketing system especially. Realistic plant protection adminstration and pesticide regulations in accordance to the industrial modernization and pest management advancement must be adjusted in accordance with national economic progress and desirable agricultural structure for 1980's. Special considerations are stated on the strengthening of research and inspection program for the quality products and control with the efficacy and safety use of pesticides. More serious attentions are noted on the over production and flooded stocks under struggled market demands and sales competitions with lethal financial difficulties by producers. Through the status analyzed for the last decade, the integrated past management and cooperative basic control pattern under positive self-forecasting system by farmers are also urged for the effective and economic pest control measures. The problems and solutions discussed here ell the advanced pesticide management as well as the cooperation on the self-ordered quality control and market managing systems in 1980's as it is a desired projection for the further improvement. Most of outstanding and necessary statistics and data in the past decade are also summarized here for references in connection with the previous report.

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초음파 처리에 의한 수화제 현탁액의 분산 특성 (Dispersion Characteristics of Wettable Powder Suspension by Ultrasonication)

  • 나우정;주은선;김영복;송민근;이경렬
    • Journal of Biosystems Engineering
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    • 제28권4호
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    • pp.351-360
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    • 2003
  • This study was carried out to settle the plugging problem which occurs frequently when agricultural wettable powder is used in pest control work using the crushing and the dispersing effects caused by irradiation of ultrasonic wave. Sonication was applied to the wettable powder suspension in a beaker for 30 seconds using a 28 kHz, 200 W PZT BLT, and the image of suspension before and after sonication was observed using a microscope and a SEM. The image of tow commercial wettable powder suspensions in water observed using an optics microscope showed that the agglomerated particles were irregularly distributed over the whole observed region when stirred mechanically, while showing more uniform distribution composed of comparatively single particles in the whole observed region after sonication. Concerning the above, the projected areas of particles in the four suspensions after sonication were decreased distinctively in the observed range of the microscope and the atomization of crystals was much developed. Over the measured range of 5.6∼4,157 ${\mu}$m particle size, the overall projected area of particles was decreased to 58.3∼89.6% on the average after sonication. When the SEM images of sonicated wettable powder suspensions dissolved in water and CH$_3$OH were compared to the suspensions before sonication, such phenomena as the atomization of particles, the expansion of voids between particles, the reduction and the decrease of agglomerated particle groups, and the progress of crack developments on the surface of flake-shaped particles were observed. It seemed possible that the plugging problem that occurs frequently in pest control machine when using wettable powder would be settled by the use of sonication.

지능형 농업 서비스를 위한 미기상기반 스마트팜 예측 플랫폼 개발 (Development of Microclimate-based Smart farm Predictive Platform for Intelligent Agricultural Services)

  • 문애경;이은령;김승한
    • 한국산업정보학회논문지
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    • 제26권1호
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    • pp.21-29
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    • 2021
  • 최근 다양한 애플리케이션 도메인을 위한 IoT 솔루션이 개발되고 있으며, 농업분야에서도 IoT 기술을 적용하여 농작물 생산량은 늘리는 반면에 손실은 줄임으로써 농업 생산성을 향상시키기 위한 데이터기반 정밀농업 연구가 진행되고 있다. 이에 본 논문은 미기상 데이터를 수집하여 서리 및 병해충 등 농업예측서비스를 제공하기 위한 스마트팜 플랫폼을 제안하고자 한다. 제안된 플랫폼에서는 실시간으로 수집한 미기상 데이터를 기반으로 서리 및 병해충을 예측하여, 농민들에게 서리 가능성과 병해충 예보 서비스를 제공한다. 실험을 통해 확인한 결과, 미기상기반 예측 플랫폼은 지역기상기반 데이터를 이용한 서리예측보다 더 높은 정밀도(Precision)값을 보임을 알 수 있었다. 정확한 실험을 위하여 시스템 설치 현장에서 실제 관측한 병해충 예찰 데이터를 수집 중에 있다. 본 플랫폼을 활용하여 서리와 병해충 발생 예측정보를 사전에 효과적으로 제공함으로써, 농민들이 작물 피해 및 불필요한 농약 사용을 줄일 수 있도록 하는 정밀농업 서비스를 제공할 수 있을 것으로 기대된다.