Korean journal of applied entomology (한국응용곤충학회지)

Korean Society of Applied Entomology (한국응용곤충학회)
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Enhancement of Species-specific Attraction by Addition of a Minor Component of Sex Pheromone Gland of Grapholita dimorpha

복숭아순나방붙이 성페로몬샘의 미량성분 첨가에 따른 종특이적 유인력 증가 효과

  • Jung, Chung Ryul (Department of Bioresource Sciences, Andong National University) ;
  • Kim, Seong-Ho (Pasuggun Farming Association Corporation) ;
  • Kim, Yonggyun (Department of Bioresource Sciences, Andong National University)
  • 정충렬 (안동대학교 자연과학대학 생명자원과학과) ;
  • 김성호 (파수꾼영농조합법인) ;
  • 김용균 (안동대학교 자연과학대학 생명자원과학과)
  • Received : 2013.10.17
  • Accepted : 2014.06.17
  • Published : 2014.09.01
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Abstract

Two congener species of Grapholita molesta and G. dimorpha have similar host ranges and adult occurrence patterns. In addition, the two species commonly use cis-8-dodecenyl acetate (Z8-12:Ac) and trans-8-dodecenyl acetate (E8-12:Ac) as their major sex pheromone components. The commercial lures made of the two components, therefore, suffer a mixed attraction of these two species. This study was conducted to assess any effect of their known minor sex pheromone components to reduce the mixed attraction. When cis-8-tetradecenyl acetate (Z8-14:Ac) was added to the commercial sex pheromone consisting of Z8-12:Ac/E8-12:Ac = 85/15, the attraction to G. dimorpha was not affected, but its attraction to G. molesta was significantly reduced. However, the addition of either dodecanyl acetate (12:Ac) or tetradedecanyl acetate (14:Ac) did not influence on the attraction of both species to the commercial lure. The addition of E8-14:Ac to 3-component sex pheromone, Z8-12:Ac/E8-12:Ac/Z8-14:Ac = 85/15/10, the attraction to G. dimorpha was rather significantly suppressed. From these results, the 3-component sex pheromone, Z8-12:Ac/E8-12:Ac/Z8-14:Ac = 85/15/10 was suggested as an improved composition of sex pheromone lure for G. dimorpha.

같은 속의 복숭아순나방(Grapholita molesta)과 복숭아순나방붙이(G. dimorpha)는 기주범위와 야외에서의 성충 발생 양상이 유사하다. 또한 두 종은 성페로몬 성분으로 cis-8-dodecenyl acetate (Z8-12:Ac)와 trans-8-dodenceyl acetate (E8-12:Ac)을 공통으로 사용하고 있는데, 이 두 성분으로 구성된 상용 성페로몬 유인제에 두 종이 혼합되어 유인된다. 본 연구는 복숭아순나방붙이 트랩에 복숭아순나방이 혼합유인되는 현상을 줄이기 위해 성페로몬 미량성분의 효과를 분석했다. 복숭아순나방붙이 성페로몬인 Z8-12:Ac/E8-12:Ac = 85/15에 cis-8-tetradecenyl acetate(Z8-14:Ac)를 첨가했을 때, 복숭아순나방붙이의 유인은 유지되면서 복숭아순나방의 유인은 유의하게 억제되었다. Dodecyl acetate (12:Ac)와 tetradecyl acetate (14:Ac)의 첨가는 두 종의 유인력에 영향을 주지 않았다. 한편 Z8-12:Ac/E8-12:Ac/Z8-14:Ac = 85/15/10의 세 성분 성페로몬에 trans-8-tetradecenyl acetate (E8-14:Ac)를 첨가했을 때, 복숭아순나방붙이의 유인이 오히려 유의하게 억제되었다. 이상의 결과로부터 Z8-12:Ac/E8-12:Ac/Z8-14:Ac = 85/15/10의 조성이 개선된 복숭아순나방붙이의 성페로몬으로 제시되었다.

Keywords

References

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