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월동세대 복숭아순나방(Grapholita molesta)의 지역적 분화 및 이동

Genetic Differentiation of Overwintering Populations of Oriental Fruit Moth, Grapholita molesta, and Their Movement

  • 박정아 (안동대학교 생명자원과학부) ;
  • 손예림 (안동대학교 생명자원과학부) ;
  • 배성우 (안동대학교 생명자원과학부) ;
  • 김용균 (안동대학교 생명자원과학부)
  • Park, Jung-A (School of Bioresource Sciences, Andong National University) ;
  • Son, Ye-Rim (School of Bioresource Sciences, Andong National University) ;
  • Bae, Sung-Woo (School of Bioresource Sciences, Andong National University) ;
  • Kim, Yong-Gyun (School of Bioresource Sciences, Andong National University)
  • 발행 : 2008.09.30

초록

성페로몬 트랩을 이용하여 사과재배지를 중심으로 복숭아순나방(Grapholita molesta) 월동집단의 발생패턴을 조사하였다. 복숭아순나방의 발생은 남부지역에서 더 일찍 시작되었지만, 발생밀도는 비슷한 지역이라도 사과원에 따라 상이하게 나타났다. 월동집단의 성충은 사과원 내부에서 모니터링한 자료와 이웃하는 사과원 사이 지점에서 포획된 밀도 변화가 서로 유사하여 이들의 사과원 사이 이동이 가능한 것으로 추정되었다. 그러나 사과원 내부에서 서로 다른 지점에서 모니터링한 자료는 바람이 불어오는 가장자리 지점이나 이웃하는 사과원과 가까이 위치한 트랩에서 높은 포획 밀도를 보여, 이들의 이동이 사과원 안에서는 둔화될 수 있다고 추정된다. 월동세대가 나타나는 비교적 초기(4월 20-25일)에 서로 다른 사과원에 발생하는 월동세대의 유전적 거리를 분석하였다. PCR-RAPD법으로 분석한 결과, 이들 집단들 사이에 유전적 분화가 있음을 나타냈다. 더욱이 동일한 지역에서 전년도 가을 집단과 초봄의 월동집단 사이에 유전적 차이가 뚜렷하게 나타나서, 이러한 월동세대 집단간 차이는 겨울 기간동안의 지역간 상이하게 나타날 수 있는 도태압에 따른 유전적 병목현상에 기인된 것으로 제시된다.

Spring phonology of the oriental fruit moth, Grapholita molesta, was monitored using sex pheromone traps in apple cultivating areas. Their occurrence was earlier in southern areas and their population sizes were significantly different among orchards even in a local cultivating zone. The overwintering populations appeared to move between local orchards, based on the fact that monitoring data obtained at the sites between orchards were similar to those of nearby orchards. However, within orchards, these adult movements appeared to decrease and showed skewed occurrences at the side of upwind direction or close to neighboring orchards. At initial occurrence peak(April 20-25), the ovenvintering populations of the different localities were collected and analyzed in their genetic distances. PCR-RAPD analysis indicated that there were significant genetic differences among the overwintering populations of G. molesta. This genetic differentiation of overwinterin populations may be due to genetic bottleneck following differential selection pressures against the subpopulations of G. molesta during winter on the basis of the RAPD analysis that each early spring population was significantly different to its previous fall population in the same locality.

키워드

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피인용 문헌

  1. Real-time monitoring of oriental fruit moth, Grapholita molesta, populations using a remote sensing pheromone trap in apple orchards vol.14, pp.3, 2011, https://doi.org/10.1016/j.aspen.2011.03.008
  2. The Complete Mitochondrial Genome of Grapholita molesta (Lepidoptera: Tortricidae) vol.104, pp.4, 2011, https://doi.org/10.1603/AN10167
  3. Morphological Differences between Larvae of the Oriental Fruit Moth (Grapholita molesta Busck) and the Peach Fruit Moth (Carposina sasakii Matsumura) in Korea vol.43, pp.1, 2013, https://doi.org/10.9729/AM.2013.43.1.21
  4. Genetic diversity and structure in apple-infesting pests of Carposina sasakii, Grapholita dimorpha and Grapholita molesta in Korea vol.20, pp.1, 2017, https://doi.org/10.1016/j.aspen.2016.11.002
  5. Occurrence Patterns of Three Major Fruit Moths, Grapholita molesta, Grapholita dimorpha and Carposina sasakii, Monitored by Sex Pheromone in Plum Orchards vol.51, pp.4, 2012, https://doi.org/10.5656/KSAE.2012.10.0.061
  6. Monitoring the number and size of pests based on modulated infrared beam sensing technology pp.1573-1618, 2018, https://doi.org/10.1007/s11119-018-9576-3