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장미에서 채집된 점박이 응애(Tetranychus urticae Koch)에 대한 신규 살충제의 방제 효과

Control Effect of New Developed Insecticide on Two Spotted Spider Mite (Tetranychus urticae Koch) Collected from Commercial Roses

  • Park, Hyean-Cheal (Department of Plant Resource Science, Miryang National University) ;
  • Choi, In-Soo (Department of Plant Resource Science, Miryang National University) ;
  • Kang, Jeom-Soo (Department of Horticulture, Miryang National University)
  • 발행 : 2003.04.01

초록

현재 각 종 작물에 큰 피해를 주고 있는 점박이 응애(Tetranychus urticne Koch)의 밀도를 줄이기 위해 새로 개발된 살충제를 각 처리농도별로 (0.5%, 1.0%, 1.5%) 응애가 접종된 콩잎 디스크에 살포하여 살충 효과를 검정하였으며, 대조구로서 증류수만을 살포한 콩잎 디스크와 비교하였다. 공시 살충제의 살충효과는 점박이 응애 성충의 암컷과 약충에는 탁월하였으나, 알에는 비교적 효과가 낮았다. 동일 처리 농도별 성충과 약충의 살충 초과를 비교하였을 때, 성충의 살충률이 약충의 살충률보다 높았다. 또한, 약제 처리구와 대조구 간의 알의 부화율에 있어서는 유의적인 차이가 없었다.

To determine the effect of newly developed insecticide on two spotted spider mite, Tetranychus Urticae, populations, ten leaf discs were sprayed with three different concentrations (0.5%, 1.0%, and 1.5%) of the tested insecticide solution, and with a water-sprayed control. The tested insecticide solution was toxic to adult female and immature of two spotted spider mite, but was relatively non-toxic to eggs. For equivalent concentrations, more adult females were killed than immature stages. There was no marked difference between the hatch of treated and untreated eggs, although a weak trend between the numbers of unhatched eggs and the insecticide concentration after 7 days is shown.

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참고문헌

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