한국응용곤충학회지 (Korean journal of applied entomology)

  • 제53권4호
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  • Pages.415-425
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  • 2014
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  • 1225-0171(pISSN)
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  • 2287-545X(eISSN)
한국응용곤충학회 (Korean Society of Applied Entomology)
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남부지역 사과원내 점박이응애와 사과응애의 우점변화

Species Dominance of Tetranychus urticae and Panonychus ulmi (Acari: Tetranychidae) in Apple Orchards in the Southern part of Korea

  • 최경희 (국립원예특작과학원 사과시험장) ;
  • 이동혁 (국립원예특작과학원 사과시험장) ;
  • 이순원 (한국과수병해충예찰센터) ;
  • 윤창만 (국립원예특작과학원 사과시험장) ;
  • 이선영 (국립원예특작과학원 사과시험장) ;
  • 도윤수 (국립원예특작과학원 사과시험장)
  • Choi, Kyung-Hee (Apple Research Station, National Institute of Horticultural & Herbal Science, Rural Development Administration) ;
  • Lee, Dong-Hyuk (Apple Research Station, National Institute of Horticultural & Herbal Science, Rural Development Administration) ;
  • Lee, Soon-Won (Korean Fruit Pest Forecasting Research Center) ;
  • Yoon, Changmann (Apple Research Station, National Institute of Horticultural & Herbal Science, Rural Development Administration) ;
  • Lee, Sun-Young (Apple Research Station, National Institute of Horticultural & Herbal Science, Rural Development Administration) ;
  • Do, Yun-Su (Apple Research Station, National Institute of Horticultural & Herbal Science, Rural Development Administration)
  • 투고 : 2014.06.20
  • 심사 : 2014.11.06
  • 발행 : 2014.12.01
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초록

이 연구는 사과원에서 20년동안 두 종 응애의 밀도변화를 조사하기 위하여 수행하였다. 사과나무를 가해하는 두 종의 응애 해충, 점박이응애(Tetranychus urticae)와 사과응애(Panonychus ulmi)의 발생을 1992년부터 2011년까지 8개 도시 포함, 한국의 남부지역에 위치한 사과주산지역에서 조사하였다. 20년간의 추세는 많은 과원이 1992년부터 1999년까지는 점박이응애가 주로 가해를 하였지만 2000년도부터는 사과응애가 우점하기 시작했다. 사과응애의 평균관찰밀도는 일정했고 점박이응애의 밀도는 이 기간동안 일정하지 않았다. 5년주기별 발생추세 분석은 점박이응애의 밀도가 2002년 이후에 감소하는 것을 보여주었다. 4월부터 9월까지 월별피해과원율과 두종 응애의 평균발생밀도는 사과응애의 밀도가 4월에 높지만 점박이응애의 밀도가 5월부터 9월까지 높았다. 이런 변화는 살충제 살포횟수, 초경재배관리, 질소비료 사용의 감소와 전체적인 과원관리의 변화 등으로 기인한다. 그러나 이러한 예측은 이를 증명하기 위해 보다 자세한 연구가 필요하다. 본 연구를 통해 비료살표와 같은 재배법과 살충제 살포횟수와 종합적해충관리 등의 환경적 변화가 사과원에서 두종 응애의 우점종과 발생밀도에 영향을 준 것으로 보인다.

This study investigated population fluctuations in two mite species in apple orchards over 20-year period. The occurrence of two major mite pests infesting apple trees, two-spotted spider mite Tetranychus urticae and European red mite Panonychus ulmi (Acari: Tetranychidae), was investigated from 1992 to 2011 in major apple-producing districts, including four to eight cities, in the southern part of the Republic of Korea. The 20-year trend revealed that more orchards were infested by T. urticae from 1992 to 1999, but thereafter P. ulmi became dominant. The observed mean density of P. ulmi was consistent, whereas that of T. urticae fluctuated during this period. The analysis of occurrence in four time periods reveals that the density of T. urticae decreased after 2002. The monthly sampling, revealed that the density of P. ulmi was higher in April, whereas the density of T. urticae was higher from May to August. This change may be due to a change in the frequency of pesticide spraying, ground vegetation management, a decrease in nitrogen fertilization, and the overall orchard management practices. However, this projection should be examined in more detail. On the basis of the findings of this study, it can be concluded that cultural practices, including fertilization, and environmental changes, such as pesticide spray frequency and integrated pest management practices, affect species dominance and population densities of the two mite species in apple orchards.

키워드

참고문헌

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피인용 문헌

  1. Overwintering Sites and Winter Mortality of Tetranychus urticae in an Apple Orchard in Korea 2015, https://doi.org/10.5656/KSAE.2015.09.0.053