Korean Journal of Organic Agriculture (한국유기농업학회지)

Korean Association of Organic Agriculture (한국유기농업학회)
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Biological Control of Major Pests in Eggplant Greenhouse

시설하우스 가지의 주요해충과 생물적 방제

  • 박채훈 (국립식량과학원 벼맥류부 간척지농업과) ;
  • 이건휘 (국립식량과학원 벼맥류부 간척지농업과) ;
  • 김두호 (국립농업과학원 농산물안전성부 유해물과) ;
  • 최만영 (국립농업과학원 곤충산업과) ;
  • 김상수 (순천대학교 생명산업과학대학)
  • Published : 2009.06.30
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Abstract

This research was carried out to investigate the seasonal occurrence of major pests and the effects of releases of natural enemies for biological control of the major pests in eggplant greenhouse. A total of 8 pest species in 7 families were identified. Among these pests, Myzus persicae, Aphis gossypii, Frankliniella occidentalis, Tetranychus urticae and Trialeurodes vaporariorum were the dominant species in eggplant greenhouse. Two aphid species occurred mainly from May to June, but their populations decreased rapidly from July. The population density of F. occidentalis was high from June to July and T. urticae and T. vaporariorum were abundant from July to September during the growing season of eggplant. In the trials of biological control of pests, aphids could be suppressed within the range of $87{\sim}97%$ by two times releases of Chrysopa pallens eggs. F. occidentalis and T. urticae could be suppressed within the range of $76{\sim}90\;and\;87{\sim}91%$ by three times releases of Orius sauteri adults, respectively. The releases of C. pallens eggs and O. sauteri adults were as effective as three times applications of insecticides for the control of aphids, F occidentalis and T. urticae from May to September.

시설하우스 가지를 가해하는 주요 해충류의 발생양상과 이들의 천적을 이용한 생물적 방제에 대해 시험하였다. 총 7과 8종의 해충류가 동정되었으며, 이들 중에서 복숭아혹진딧물, 목화진딧물, 점박이응애, 꽃노랑총채벌레, 온실가루이가 시설재배지의 우점종으로 조사되었다. 진딧물류는 $5{\sim}6$월에 발생이 많았으나 7월 이후부터 급격히 감소하였다. 꽃노랑총채벌레는 $6{\sim}7$월에, 점박이응애와 온실가루이는 $7{\sim}9$월에 발생밀도가 높았다. 이들 해충에 대해 천적을 이용한 생물적 방제로서, 칠성풀잠자리붙이 알을 2회 방사하였을 경우 진딧물류는 $87{\sim}97%$, 애꽃노린재 성충을 3회 방사하였을 경우 꽃노랑총채벌레와 점박이응애는 각각 $76{\sim}90,\;87{\sim}91%$의 방제효과를 얻었다. 시설가지 재배기간인 $5{\sim}9$월까지 진딧물류, 점박이응애 및 음노랑총채벌레 방제를 위하여 약제처리를 3회 실시한 것은 천적인 칠성풀잠자리붙이 알을 2회, 애꽃노린재 성충을 3회 방사한 결과와 방제가가 유사하였다.

Keywords

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