한국응용곤충학회지 (Korean journal of applied entomology)

  • 제45권1호
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  • Pages.67-74
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  • 2006
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  • 1225-0171(pISSN)
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  • 2287-545X(eISSN)
한국응용곤충학회 (Korean Society of Applied Entomology)
권호 표지

골프장에서 잔디의 예고와 통기작업이 곤충병원성선충의 굼벵이 방제효과에 미치는 영향

Effect of Turfgrass Height and Aeration on Pathogenicity of Entomopathogenic Nematodes to White Grubs in Golf Courses

  • 이동운 (상주대학교 생물응용학과) ;
  • 최우근 (서원벨리골프장) ;
  • 이상명 (국립산림과학원 남부산림연구소) ;
  • 추호렬 (경상대학교 응용생물환경학과, 농업생명과학연구원) ;
  • 권태웅 (동래베네스트골프장)
  • Lee Dong-Woon (Department of Applied Biology, Sangju National University) ;
  • Choi Woo-Geun (Seowon Valley Golf Club) ;
  • Lee Sang-Myeong (Southern Forest Research Center, National Forest Science Institute) ;
  • Choo Ho-Yul (Department of Applied Biology and Environmental Sciences, Institute of Agriculture & Life Sciences, Gyeongsang National University) ;
  • Kweon Tae-Woong (Dongrae Honest Golf Club)
  • 발행 : 2006.04.01
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초록

본 연구는 골프장 잔디 해충의 종합적 관리를 위하여 잔디의 관리 과정 중에 곤충병원성 선충을 투입함으로서 굼벵이 방제의 효율을 향상시키고, 작업 공정을 축소시킴으로서 노동력과 경비를 절감시키며, 환경친화적 방제를 통해 골프장 잔디의 관리자나 이용자들에게 쾌적한 환경을 제공하기 위한 목적으로 수행하였다. 잔디의 예고는 곤충병원성선충의 병원성에 영향을 미쳤는데 꿀벌부채 명나방 유충을 이용한 pot 실험과 등얼룩풍뎅이와 주황긴다리풍뎅이를 이용한 야외실험 모두에서 잔디의 예고가 짧을수록 선충의 방제 효과가 높았다. 통기작업은 곤충병원성 선충의 종에 따라 굼벵이에 대한 병원성에 차이를 보였다. 굼벵이에 대한 병원성이 낮은 곤충병원성 선충은 통기작업과 병행하여 처리하면 병원성이 높아졌으나 병원성이 높은 선충은 큰 차이를 보이지 않았다. 통기작업의 수행시기도 곤충병원성 선충의 병원성에 영향을 미쳤는데 곤충병원성 선충의 처리 전에 잔디에 대한 통기작업을 하는 것이 굼벵이의 방제효과를 높였다. Steinernema carpocapsae 포천 계통 처리 시 등얼룩풍뎅이 유충 밀도 감소율은 선충 처리 전 통기와 선충 처리 후 통기 처리에서 각각 80.4%와 66%를 보여 무통기 처리의 35.4%에 비하여 높았다.

Korean entomopathogenic nematodes were introduced into cultural management of turfgrasses to enhance white grub control in golf courses for saving labour and expenses and contribution to giving safe playing and working places for golfers and superintendents by environmentally friendly control strategy. The turfgrass height influenced efficacy of entomopathogenic nematodes. Efficacy was higher at short turfgrass both in pot using Galleria mellonella larvae and in golf courses using 2nd instar of Exomala orientalis and Ectinohoplia rufipes as baits. Aeration increased the efficacy of entomopathogenic nematodes which were lower virulent. Pre-aeration was more effective than post-aeration. Exomala orientalis larval population was reduced 80.4 and 66.0% in the pre-aeration and post-aeration with entomopathogenic nematode, Steinernema carpocapsae Pocheon strain compared to 35.4% in the no aeration treatment.

키워드

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