Korean journal of applied entomology (한국응용곤충학회지)

Korean Society of Applied Entomology (한국응용곤충학회)
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Attractiveness of Host Plant Volatiles and Sex Pheromone to the Blueberry Gall Midge (Dasineura oxycoccana)

블루베리혹파리에 대한 기주식물 휘발성 물질과 성페로몬의 유인 효과

  • Yang, Chang Yeol (National Institute of Horticultural and Herbal Science, Rural Development Administration) ;
  • Seo, Mi Hye (National Institute of Horticultural and Herbal Science, Rural Development Administration) ;
  • Yoon, Jung Beom (National Institute of Horticultural and Herbal Science, Rural Development Administration) ;
  • Shin, Yong Seub (National Institute of Horticultural and Herbal Science, Rural Development Administration) ;
  • Choi, Byeong Ryeol (National Institute of Horticultural and Herbal Science, Rural Development Administration)
  • 양창열 (농촌진흥청 국립원예특작과학원) ;
  • 서미혜 (농촌진흥청 국립원예특작과학원) ;
  • 윤정범 (농촌진흥청 국립원예특작과학원) ;
  • 신용습 (농촌진흥청 국립원예특작과학원) ;
  • 최병렬 (농촌진흥청 국립원예특작과학원)
  • Received : 2020.10.10
  • Accepted : 2020.11.06
  • Published : 2020.12.01
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Abstract

The blueberry gall midge, Dasineura oxycoccana (Johnson) (Diptera: Cecidomyiidae), is an emerging pest on cultivated blueberries in Korea. To develop a sensitive tool for monitoring this pest in blueberry orchards, we compared the attractiveness of host plant volatiles and sex pheromone to D. oxycoccana adults. We performed gas chromatography-mass spectrometry (GC-MS) analysis of solid-phase microextraction (SPME)-collected volatiles that were released from blueberry ('Darrow' cultivar). The analysis revealed two major volatiles, cinnamaldehyde and cinnamyl alcohol from flowers; and three major volatiles, β-caryophyllene, germacrene D, and α-farnesene from shoots and young fruits. In field tests conducted in Gunsan, Korea in 2019, commercialized cinnamaldehyde, cinnamyl alcohol, β-caryophyllene, and α-farnesene, used singly or in quaternary combination, were unattractive to the blueberry gall midge. However, traps baited with the known sex pheromone (2R,14R)-2,14-diacetoxyheptadecane attracted significantly more males than the treatments with plant volatiles or the control. No synergistic effect was observed between sex pheromone and plant volatiles. Male D. oxycoccana were captured in the pheromone traps from May to August, with three peaks in mid-May, late June, and late July in Gunsan blueberry fields in 2020.

블루베리혹파리(Dasineura oxycoccana)(파리목: 혹파리과)는 국내에서 재배되고 있는 블루베리의 주요해충으로 알려져 있다. 우리는 이 해충을 효과적으로 예찰하기 위한 수단을 개발하고자, 블루베리 휘발성 물질과 성페로몬의 유인 효과를 검정하였다. 블루베리로부터 방출되는 휘발성 물질을 고체상미량추출법(SPME)으로 포집하여 기체크로마토그래피-질량분석기(GC-MS)로 분석한 결과, 꽃의 주요 물질은 cinnamaldehyde와 cinnamyl alcohol이었고, 신초와 어린과실의 주요 물질은 β-caryophyllene, germacrene D, 및 α-farnesene인 것으로 조사되었다. 2019년에 군산에 소재하고 있는 블루베리 포장에서 시판 중인 cinnamaldehyde, cinnamyl alcohol, β-caryophyllene, 및 α-farnesene의 효능을 시험하였는데, 이 4가지 성분을 단독 또는 혼합물로 처리하였을 때 블루베리혹파리는 유인되지 않았다. 반대로 이 종의 성페로몬으로 알려진 (2R,14R)-2,14-diacetoxyheptadecane은 수컷을 효과적으로 유인하였다. 유인효과에 있어서 성페로몬과 기주식물 휘발성 물질 사이에 시너지 효과는 관찰되지 않았다. 2020년 군산 블루베리 포장에서 블루베리혹파리 성충은 5월부터 8월까지 성페로몬 트랩에 유인되었고, 발생최성기는 3회로서 5월 중순, 6월 하순, 및 7월 하순으로 나타났다.

Keywords

References

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