Korean journal of applied entomology (한국응용곤충학회지)

Korean Society of Applied Entomology (한국응용곤충학회)
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Effect of Insect Pollinators for Chinese jujube (Zizyphus jujuba var. inermis (Bunge) Rehder) in Rain shelter house

대추 비가림하우스 내 화분매개곤충의 수분 특성 및 효과

  • Oh, Ha Kyung (Chungbuk Agricultural Research and Extension Service) ;
  • Lee, Jong Won (Chungbuk Agricultural Research and Extension Service) ;
  • Kim, Chung Woo (Chungbuk Agricultural Research and Extension Service) ;
  • Lee, Kyeong Hee (Chungbuk Agricultural Research and Extension Service) ;
  • Lee, Seong Kyun (Chungbuk Agricultural Research and Extension Service) ;
  • Kim, Sang Hee (Chungbuk Agricultural Research and Extension Service) ;
  • Yoon, Hyung Joo (Department of Agricultural Biology, The National Institute of Agricultural Science, RDA) ;
  • Lee, Kyeong Yong (Department of Agricultural Biology, The National Institute of Agricultural Science, RDA)
  • 오하경 (충청북도농업기술원) ;
  • 이종원 (충청북도농업기술원) ;
  • 김충우 (충청북도농업기술원) ;
  • 이경희 (충청북도농업기술원) ;
  • 이성균 (충청북도농업기술원) ;
  • 김상희 (충청북도농업기술원) ;
  • 윤형주 (농촌진흥청 국립농업과학원 농업생물부) ;
  • 이경용 (농촌진흥청 국립농업과학원 농업생물부)
  • Received : 2017.09.12
  • Accepted : 2017.11.06
  • Published : 2017.12.01
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Abstract

The flowering season of jujube (Zizyphus jujuba var. inermis (Bunge) Rehder) is overlaps with the rainy season and the abnormal weather conditions in Korea, thereby affecting pollination, fertilization, and fruit setting. We studied the pollinating activities of Apis mellifera L. and Bombus terrestris L. in rain shelter houses and their effects on fruit setting, with the ultimate aim of stabilizing fruit setting in Z. jujuba. A. mellifera and B. terrestirs were used for pollination in jujube orchard in the rain shelter house for approximately 55 days from June 1, 2016, to July 25, 2016. The peak time of the rate of outgoing and incoming A. mellifera was recorded in the afternoon. However, the diurnal activity of B. terrestris was constant between 09:30 and 17:30 h. The rate of jujube fruit set on current shoots by A. mellifera and B. terrestirs was 10.2 and 8.9%, whereas that in plots with no pollinators was 5.5%. Therefore, using pollinator in the rain shelter house in jujube orchard is effective in promoting jujube fruit setting.

생대추가 신소득 작목으로 부각되면서 재배지가 확대되고 있으나 우리나라 장마기와 최근 이상기후로 인해 대추 수분 수정 및 착과에 문제가 발생하고 있는 실정이다. 이에 생대추 재배를 위해 도입된 비가림하우스에서 서양종 꿀벌과 서양뒤영벌을 이용하여 화분매개곤충의 활동 특성과 착과 효율에 어떠한 영향을 미치는지 구명하고자 본 시험을 수행하였다. 대추 복조 품종을 대상으로 비가림하우스에 망실을 씌워 서양종 꿀벌과 서양뒤영벌을 2016년 6월 1일부터 7월 25일까지 약 55일정도 방사하였다. 서양종 꿀벌은 주로 오후에 활동이 많았으나 서양뒤영벌의 활동은 시간에 관계없이 다소 균일하였다. 대추 신초 가지의 착과율을 조사한 결과 방화곤충을 차단한 무처리 5.5% 대비 서양종 꿀벌은 10.2%, 서양뒤영벌은 8.9%로 대추 비가림하우스내 화분매개곤충 활용시 착과량 증진으로 농가 소득증대에 기여할 것으로 생각된다.

Keywords

References

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