Journal of Korean Society of Forest Science (한국산림과학회지)

Korean Society of Forest Science (한국산림과학회)
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Comparative Trapping Efficiency of Five Different Blends of the Two Sex Pheromone Components in Dichocrocis punctiferalis (Lepidoptera: Pyralidae) at Chestnut Orchards in Korea

  • Choi, Kwang Sik (Division of Forest disease and insect pests, Korea Forest Research institute) ;
  • Choi, Won Il (Division of Forest disease and insect pests, Korea Forest Research institute) ;
  • Lee, Chong Kyu (Department of Forest Resources, Jinju National University) ;
  • Kim, Young Jae (Chungnam Institute of Forest Environment Research) ;
  • Jeon, Mun Jang (Department of Forest Resources, College of Life and Environmental Science, Daegu University) ;
  • Shin, Sang Chul (Division of Forest disease and insect pests, Korea Forest Research institute)
  • Received : 2008.09.30
  • Accepted : 2008.10.20
  • Published : 2008.10.31
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Abstract

Trapping efficiency of various sex pheromone blends of the peach pyralid moth, Dichocrocis punctiferalis was compared by field study to develop monitoring system with its sex pheromone at chestnut orchards in Korea. Five candidates of the sex pheromone blends used for the field trapping of D. punctiferalis males were 70:30, 75:25, 80:20, 85:15 and 90:10 mixture of (E)-10-hexadecenyl aldehyde (E10-16:Al) and (Z)-10-hexadecenyl aldehyde (Z10-16:Al). All lures were treated with 1 or 2 mg of each blends. During 2 years of field survey, the 75:25 blend was usually the most effective in attracting males among 5 blends tested. For the 2nd generation, the best capturing activity for D. punctiferalis male was observed by lure with 75:25 blend. Both 90:10 and 75:25 blends showed highest efficiency for the 3rd generation. In most cases. lures treated with 1 mg of blend caught more male moths than these treated with 2 mg of blend.

Keywords

References

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