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Biological control of mushroom flies using the predatory mite Hypoaspis aculeifer in a shiitake cultivation

원목 표고에서 아큐레이퍼응애를 이용한 버섯파리류의 생물학적 방제

  • Kim, Hyeong Hwan (Horticultural & Herbal Crop Environment Division, NIHHS, RDA) ;
  • Kim, Dong Hwan (Horticultural & Herbal Crop Environment Division, NIHHS, RDA) ;
  • Yang, Chang Yeol (Horticultural & Herbal Crop Environment Division, NIHHS, RDA) ;
  • Kwon, Sun Jung (Horticultural & Herbal Crop Environment Division, NIHHS, RDA) ;
  • Jeon, Sung Wook (Horticultural & Herbal Crop Environment Division, NIHHS, RDA) ;
  • Song, Jin Sun (Horticultural & Herbal Crop Environment Division, NIHHS, RDA) ;
  • Cho, Myoung Rae (Horticultural & Herbal Crop Environment Division, NIHHS, RDA) ;
  • Lee, Chan Jung (Muchroom Research Division, NIHHS, RDA) ;
  • Cheong, Jong Chun (Muchroom Research Division, NIHHS, RDA)
  • 김형환 (국립원예특작과학원 원예특작환경과) ;
  • 김동환 (국립원예특작과학원 원예특작환경과) ;
  • 양창열 (국립원예특작과학원 원예특작환경과) ;
  • 권선정 (국립원예특작과학원 원예특작환경과) ;
  • 전성욱 (국립원예특작과학원 원예특작환경과) ;
  • 송진선 (국립원예특작과학원 원예특작환경과) ;
  • 조명래 (국립원예특작과학원 원예특작환경과) ;
  • 이찬중 (국립원예특작과학원 버섯과) ;
  • 정종천 (국립원예특작과학원 버섯과)
  • Received : 2013.11.21
  • Accepted : 2013.12.31
  • Published : 2013.12.31

Abstract

The major species of fungus gnats which caused the severe damage in shiitake farm were identified as a Bradysia difformis, B. alpicola, and Camtomyia cortocalis on oak log beds cultivation. The B. difformis occurred early in the middle of March while B. alpicola and C. cortocalis appeared since the beginning of May. The occurrence rate for adults of B. difformis showed highly at the end of July (11.9~1,774.2 in dong-myeon and 0.4~2,583.3 in pungse-myeon) in 2012 and mid-June (10.7~4,650 in dong-myeon and 36.8~4740 in pungse-myeon) in 2013. The counting numbers on the traps for B. alpicola reached highest peak in the middle of June (2.1~63.2 in dong-myeon and 1.0~21.7 in pungse-myeon) and the end of May (0.8~163.7 in dong-myeon and 0.5~280.5 in pungse-myeon) in 2012 and 2013, respectively. The number of C. cortocalis showed high record in the middle of May in 2012 (0.6~4.7) and in the middle of June (2.1~17.3) in 2013 in dong-myeon whereas showed the peaks in the middle of May (0.6~4.7) in 2012 and in the late of May (1.3~17.6) in 2013 in pungse-myeon. The fruiting bodies of shiitake mushroom by fungus gnats were severely damaged from mid-June to late-July and the damage rate were 0.625.5% (2012) and 0.7~30.5% (2013) in dong-myeon and 1.5%~21.6% (2012) and 1.9~36.8%(2012) in pungse-myeon. To investigate the control effect for fungus gnats by Hypoaspis aculeifer, H. aculeifer (30 mixutre of nymph and adult per $m^2$) were treated to oak log beds shiitake cultivation for six times (May 2 and 28, June 25, July 10 and 25 and August 28). The occurrence rate of adults and damage rate of fruiting bodies of 3 major species reduced 79.3% (adult numbers) and 74.8% (fruiting bodies) in dong-myeon and 64.1% (adult numbers) and 65.5% (fruiting bodies) in pungse-myeon, respectively, compared to non-treatment. Accordingly, H. aculeifer effectively controlled the fungus gnats on shiitake mushroom and can be used as good control agent.

Keywords

Shiitake;Oak log bed;Bradysia difformis;Camptomyia cortocalis;Hypoaspis aculeifer

Acknowledgement

Supported by : 국립원예특작과학원

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