Korean Journal of Nature Conservation (한국자연보호학회지)

Korean Journal of Nature Conservation (한국자연보호학회)
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Biological Control of Magnolia White Scale; Pseudaulacaspis cockerelli (Cooley) (Hemiptera: Diaspididae) and Yellow Tea Thrips; Scirtothrips dorsalis Hood (Thysanoptera: Thripidae) on Five Flavor Berry Orchards, using Chrysoperla nipponensis (Okamoto) (Neuroptera: Chrysopidae) and Amblyseius swirskii Athias-Henriot (Acari: Phytoseiidae)

노지재배 오미자에서 식나무깍지벌레(Pseudaulacaspis cockerelli)와 볼록총채벌레(Scirtothrips dorsalis)의 생물적 방제를 위한 토착천적 Chrysoperla nipponensis와 지중해이리응애(Amblyseius swirskii)의 적용 효과

  • Ham, Eun Hye (Department of Ecology Science, Kyungpook National University) ;
  • Lee, Young Su (Agricultural Biology Team, Gyeonggi do Agricultural Research and Extension Services) ;
  • Lee, Jun Seok (Institute for Bioresources research, Osangkinsect Co., Ltd.) ;
  • Park, Jong Kyun (Department of Ecology Science, Kyungpook National University)
  • 함은혜 (경북대학교 생태과학과) ;
  • 이영수 (경기도농업기술원 환경농업연구과) ;
  • 이준석 ((주)오상킨섹트 생물자원연구소) ;
  • 박종균 (경북대학교 생태과학과)
  • Received : 2013.10.31
  • Accepted : 2013.11.30
  • Published : 2013.12.31
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Abstract

Yellow tea thrip (Scirtothrips dorsalis Hood (Thysanoptera: Thripidae) is anthophilous pests of many crops worldwide including five flavor berry. And the mealy bug (Pseudaulacaspis cockerelli (Cooley) (Hemiptera: Diaspididae)) is one of the hardest pests to control. Its body is covered with white waxy threads, which often make a chemical pest control useless. Five flavor berry (Schisandra chinensis Baill) is used in traditional Chinese medicine. So, the development of biological control against the major pest on five flavor berry is of great interest. In this work, a treatment of Chrysoperla nipponensis (Okamoto) was applied to five flavor berry fields infested by P. cockerelli and a treatment of Amblyseius swirskii Athias-Henriot was applied to two types of five flavor berry fields infested by S. dorsalis. Even though our tests found significant differences between the two culturing method(sod culture, nonwoven type mulching), the treatment of biological control agents decreased or a little increased the fruit damage, which was comparable to the chemical insecticide treatment. In the sod culture experiment, thrip population was significantly low and increased at a lower rate than in the nonwoven type mulching. It may be suggested from these results that A. swirskii and C. nipponensis as IPM program and sod culture could be incorporated into the integrated pest management system on five flavor berry.

볼록총채벌레(Scirtothrips dorsalis Hood)와 식나무깍지벌레(Pseudaulacaspis cockerelli(Cooley)는 세계적으로, 오미자를 비롯한 많은 원예작물의 주요 해충으로 알려져 있다. 특히 깍지벌레는 자라면서 백색의 왁스 물질을 분비해서 몸체를 보호하기 때문에, 살충제 적용에 한계가 있고 그 방제의 실효성도 크지 않다. 또한 오미자(Schisandra chinensis Baill)는 한약재료로 많이 쓰이고 있는 수출 유망 약용식물로 농약 절감 기술 개발 및 새로운 친환경 방제 시스템 개발이 절실해 지고 있다. 이에 본 연구에서는 상기의 해충들을 방제하기 위한 오미자 노지재배 방식 별(초생재배, 부직포 피복) 천적 적용기술을 구현하기 위하여 Chrysoperla nipponensis(Okamoto)와 지중해이리응애(Amblyseius swirskii Athias-Henriot)를 방사하였다. 재배 방식에 따라 해충발생밀도가 차이가 나기는 하지만, 약제를 이용한 방제방법에 비해 천적이용기술의 방제 효과는 거의 차이가 없이 비슷한 효과를 내는 것을 확인할 수 있었다. 초생 재배지에서는 부직포 피복 재배지에 비해 현저히 낮은 해충 발생률을 보였다. 따라서 초생 재배지에서 두 가지 천적을 혼합 적용하면 보다 효과적인 종합생물적 방제기술을 구현할 수 있을 것으로 사료된다.

Keywords

Acknowledgement

Supported by : 농촌진흥청

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