Korean journal of applied entomology (한국응용곤충학회지)

Korean Society of Applied Entomology (한국응용곤충학회)
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Attractant Effect of Trap Logs Treated with Ethanol to Platypus koryoensis (Coleoptera: Platypodidae)

에탄올 처리에 의한 광릉긴나무좀(Platypus koryoensis) 유인목 효율 증대

  • 손수연 (국립산림과학원 산림병해충연구과) ;
  • 이선근 (국립산림과학원 산림병해충연구과) ;
  • 서상태 (국립산림과학원 산림병해충연구과)
  • Received : 2015.10.14
  • Accepted : 2015.11.17
  • Published : 2015.12.01
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Abstract

The attractant effect to Platypus koryoensis (Murayama), an insect vector of Korean oak wilt disease, was determined using a multi-funnel trap and trap logs treated with ethanol and ethanol extract of the bark of the Mongolian oak Quercus mongolica (Fisher). The number of entrance holes in ethanol and bark ethanol extract treatments was higher than that in the control (blank bottle). However, the number of entrance holes in ethanol and bark ethanol extract treatments was not significantly different. The number of entrance holes in the logs increased with increase in diameter of the logs. The lower part of the trap logs had significantly more number of entrance holes than that in the upper part (p < 0.05). The lower part of trap logs tends to be rarely exposed to direct sunlight resulting in desiccation of the logs, which in turn provides good conditions for microbial growth, a food source for P. koryoensis. The results show, that ethanol could be used effectively in the monitoring and maintenance of P. koryoensis because of the cheaper cost of ethanol than bark ethanol extracts, and thus, having a higher economical advantage. Further research of oak bark ethanol extracts is necessary to improve its efficiency.

참나무시들음병 매개충인 광릉긴나무좀(Platypus koryoensis (Murayama))(Coleoptera: Platypodidae)의 에탄올과 신갈나무 수피 추출물의 유인효과에 대하여 조사하였다. 유인트랩과 유인목 시험에서는 에탄올과 신갈나무 수피 추출물을 사용한 처리구가 대조구(무처리)보다 높은 유인효과를 나타내었으나, 두 유인제 간의 유의성은 찾지 못하였다. 유인목의 직경별 침입공 수를 비교한 결과, 침입공 수는 직경이 클수록 증가하였다. 유인목의 횡단면 상부와 하부 침입공 수를 비교한 결과, 상부보다 하부에 침입공이 많았고, 통계적으로 유의한 차이(p<0.05)를 나타내었는데, 이는 직사광선에 의한 건조가 적은 하부가 매개충의 먹이가 되는 미생물 번식에 유리하기 때문이라고 추정되었다. 결과적으로 신갈나무 수피 추출물보다 비용 면에서 경제적인 에탄올이 광릉긴나무좀 모니터링 및 방제에 효율적으로 활용될 수 있을 것이며, 신갈나무 수피 추출물은 효율을 높일 수 있는 계속적인 연구의 필요성이 있다.

Keywords

References

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