Korean journal of applied entomology (한국응용곤충학회지)

Korean Society of Applied Entomology (한국응용곤충학회)
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Genetic Identity of a Korean Isolate of an Endoparasitoid Cotesia plutellae(Hymenoptera: Braconidae), Among Reproductive Incompatibility Types

생식형불일치 유형에 따른 국내 프루텔고치벌(Cotesia plutellae)의 유전적 위치

  • Park, Jung-A (School of Bioresource Sciences, Andong National University) ;
  • Kim, Yong-Gyun (School of Bioresource Sciences, Andong National University)
  • 박정아 (안동대학교 생명자원과학부) ;
  • 김용균 (안동대학교 생명자원과학부)
  • Published : 2007.04.30
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Abstract

Reproductive incompatibility is an Important factor to select a specific biologlcal control agent for successful augmentation of the corresponding endogenous population. An endoparasitoid, Cotesia plutellae (Kurdjumov), is an effective control agent to diamondback moth, Plutella xylostella (L.) and has been known to be classified into two groups in terms of reproductive incompatibility. This study analyzed an Korean population of C. plutellae in terms of morphological characters and mitochondrial DNA marker, which did not match with either of two reproductive incompatibility groups. These results suggest that a Korean population of C. plutellae can be involved in a novel reproductive group. For any augmentation program of C. plutellae in Korea, reproductive incompatibility should be seriously considered to select a particular exotic population.

자생밀도의 증가를 위해 도입되는 생물적 방제인자를 선정하는 데 있어서 생식형불일치는 주요한 요인이다. 배추좀나방(Plutella xylostella(L.))에 대한 효과적 생물적방제 인자로서 프루텔고치벌(Cotesia plutellae (Kurdjumov))은 집단 사이에 생식형불일치로 크게 두 생식형집단으로 분류되었다. 본 연구는 국내 서식하는 특정 프루텔고치벌 집단에 대해서 형태적 및 미토콘드리아 염기서열 지표분석을 실시하였으며, 이 결과 국내 집단이 기존에 보고된 두 생식형집단에 비해 형태적 형질과 분자지표에서 뚜렷한 차이를 보였다. 이러한 결과는 국내 프루텔고치벌 집단이 새로운 생식형집단일 수 있다는 것을 제시하였다. 또한 본 연구 결과는 외래 프루텔고치벌의 도입을 위해서는 국내 자생종과의 생식형불일치 가능성을 중요하게 고려해야 한다고 보고한다.

Keywords

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