Korean journal of applied entomology (한국응용곤충학회지)

Korean Society of Applied Entomology (한국응용곤충학회)
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Feeding Behavior in the Plant Tissues with Green Peach Aphid (Myzus persicae, Aphididae; Homoptera) Using EPG Technique

EPG를 이용한 복숭아혹진딧물 (Myzus persicae, Aphididae, Homoptera)의 기주 식물체별 조직내 섭식행동

  • Seo, M.J. (Department of Applied Biology, College of Agriculture and Life Sciences, Chungnam National University) ;
  • Jang, J.K. (Department of Applied Biology, College of Agriculture and Life Sciences, Chungnam National University) ;
  • Kang, E.J. (Department of Applied Biology, College of Agriculture and Life Sciences, Chungnam National University) ;
  • Kang, M.K. (Department of Applied Biology, College of Agriculture and Life Sciences, Chungnam National University) ;
  • Kim, N.S. (Young-Il Chemical Ltd.) ;
  • Yu, Y.M. (Department of Applied Biology, College of Agriculture and Life Sciences, Chungnam National University) ;
  • Youn, Y.N. (Department of Applied Biology, College of Agriculture and Life Sciences, Chungnam National University)
  • 서미자 (충남대학교 농업생명과학대학 응용생물학과) ;
  • 장진영 (충남대학교 농업생명과학대학 응용생물학과) ;
  • 강은진 (충남대학교 농업생명과학대학 응용생물학과) ;
  • 강명기 (충남대학교 농업생명과학대학 응용생물학과) ;
  • 김남성 ((주)영일케미컬) ;
  • 유용만 (충남대학교 농업생명과학대학 응용생물학과) ;
  • 윤영남 (충남대학교 농업생명과학대학 응용생물학과)
  • Published : 2005.12.30
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Abstract

To investigate feeding behaviour of the greenpeach aphid (Myzus persicae) on several plants, DC electrical penetration graph (EPG) technique was used. We chose 5 plants including pepper, melon, cabbage, radish, and eggplant which were known as major host Plants of this species. This study was focused whether feeding patterns of the aphid were different and which plants would be the most preferable among 5 host plants. The time from initial proboscis contact with a each leaf until the first electrical contact, as a measure of the time taken for the stylet penetration, the time from electrical contact to the first potential drop as a time consumed until intracellular sampling, the number of potential drops per an hour during periods of regular intercellular pathway probing, and the time from electrical contact to tile first phloem specific pattern indicating the time taken to reach and attempt to feed upon the phloem were analysed. As a result, except the number of potential drop, there was no significant differency of feeding patterns among 5 plants. However, the feeding patterns related on host acceptability were observed more frequently from Pepper, radish, and e99r1an1 than melon and cabbage.

복숭아혹진딧물의 섭식행동을 관찰하기 위해, 고추, 무, 배추, 가지, 참외 등 5종류의 기주식물에서 EPG기술을 이용하였다. 복숭아혹진딧물의 구침이 식물체 표면에 접촉된 후 전기적 연결이 일어나기까지 소요되는 시간과 맨 처음 potential drop이 일어나기까지 소요된 시간, 구침의 세포간극내에서의 활동에 의하여 일어나는 potential drop의 수, 전기적 연결신호가 나타난 시점부터 체관부를 섭식하는 순간까지 소요된 시간 등을 조사한 결과 Potential drop 수에서는 기주들 사이에 유의성 있는 차이를 나타내었다. 그러나 나머지 요인에서는 기주식물들 사이에 큰 차이를 보이지 않았지만, 참외나 배추보다는 고추, 무, 가지에서 즘 더 기주선호성과 관련된 섭식패턴들을 확인할 수 있었다.

Keywords

References

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