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사과원에서 사과면충과 사과면충좀벌의 발생동태 및 살충제 실내검정

Population Dynamics of Eriosoma lanigerum (Hemiptera: Aphididae) and Aphelinus mali (Hymenoptera: Aphelinidae) in Apple Orchards and Screening Effective Insecticides in the Laboratory

  • 김동순 (제주대학교 생명자원과학대학 생물산업부 식물자원과환경) ;
  • 양창열 (농촌진흥청 국립원예특작과학원 원예특작환경과) ;
  • 전흥용 (농촌진흥청 국립원예특작과학원 원예특작환경과) ;
  • 최경희 (농촌진흥청 국립원예특작과학원 사과시험장)
  • Kim, Dong-Soon (Faculty of Bioscience and Industry, College of Applied Life Science) ;
  • Yang, Chang-Yeol (The National Institute of Horticultural & Herbal Science, Horticultural & Herbal Crop Environment Division, RDA) ;
  • Jeon, Heung-Yong (The National Institute of Horticultural & Herbal Science, Horticultural & Herbal Crop Environment Division, RDA) ;
  • Choi, Kyoung-Hee (The National Institute of Horticultural & Herbal Science, Apple Research Station, RDA)
  • 발행 : 2009.09.30

초록

사과면충은 지하부 대목부 및 흡지에서 성충 및 약충 상태로 월동하였고, 약제를 살포하지 않은 사과원의 주간부에서 콜로니는 4월 중순부터 증가하기 시작하여 6월 하순에서 7월 상순 1차 발생최성기를 보였고, 그 후 감소하였다가 7월 하순 2차 발생최성기를 보였으며, 9월 하순에도 1차 발생최성기 규모의 발생량을 보였다. 발생량은 주 당 3.5개를 넘지 않았으며, 연간 2개 내외로 유지되었다. 사과면충좀벌 기생률은 지제부 보다는 지상부에서 기생률이 높았고, 사과면충 발생농가 조사결과 기생률이 최고 70% 이상이었다. 사과면충에 대한 약제방제 효과검정 결과 fenitrothion, dichlorphos, machine oil, methidathion, thiacloprid, imidacloprid 등 약제의 살충률은 각각 97.8, 96.8, 95.4, 91.5, 26.7 및 7.8% 이었다. 또한 동일한 약제에 대한 사과면충좀벌 머미의 성충으로 우화율은 각각 51.2, 72.6, 14.2, 3.5, 72.2 및 85.4% 이었다. 최근 많이 사용하는 진딧물 적용약제들의 살충률은 낮았으며, fenitrothion 및 dichlorphos는 사과면충에 대한 살충률이 높고 천적에 비교적 저독성이어서 종합관리 시 동시방제 약제로 적당하였다.

Woolly apple aphid, Eriosoma lanigerum, overwintered as adult or nymph stage on rootstocks, and crown- and root sucker in the soil. In an un sprayed apple orchard, the number of E. lanigerum colony started to increase from mid-April, showed the 1st peak between late June and early July, thereafter decreased followed by the 2nd peak in late July, and then again peaked in late September as the size in the 1st peak. In this orchard, the number of E. lanigerum colonies per tree did not exceed 3.5 colonies during the peak occurrence period, and was maintained around 2 colonies throughout seasons. In all seasons, parasitism of Aphelinus mali on E. lanigerum was much lower on root colonies than on aerial colonies that located on shoots and tree trunks above the ground. The parasitism of E. lanigerum was high in most orchards examined, showing parasitism of > 70% in maximum in most cases. In the laboratory bioassay for the mortality effects of several insecticides on E. lanigerum, fenitrothion, dichlorphos, machine oil, methidathion, thiacloprid, and imidacloprid showed 97.8, 96.8, 95.4, 91.5, 26.7, and 7.8% morality, respectively. Also, the adult emergence rates from A. mali mummies were 51.2, 72.6, 14.2, 3.5, 72.2, and 85.4% in the treatment of the above insecticides, respectively. Insecticides belong to neonicotinoid, which are newly developed to control aphids, showed low mortality against E. lanigerum. Fenitrothion and dichlorphos were effective on E. lanigerum control and had a low toxic to A. mali. Consequently, the insecticides should be useful in integrated pest management system for E. lanigerum in apple orchards.

키워드

참고문헌

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피인용 문헌

  1. Predictive thresholds for forecasting the compatibility of Forficula auricularia and Aphelinus mali as biological control agents against woolly apple aphid in apple orchards vol.62, pp.2, 2017, https://doi.org/10.1007/s10526-017-9792-1
  2. Relative Efficacy of Two Clades ofAphelinus mali(Hymenoptera: Aphelinidae) for Control of Woolly Apple Aphid (Hemiptera: Aphididae) in China 2016, https://doi.org/10.1093/jee/tow271