Korean journal of applied entomology (한국응용곤충학회지)

Korean Society of Applied Entomology (한국응용곤충학회)
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Distribution and Seasonal Occurrence of Japanese Gall-forming Thrips, Ponticulothrips diospyrosi, in Korea

감관총채벌레(Ponticulothrips diospyrosi)의 분포와 발생소장

  • Huh Wan (Institute of Agriculture and Life Sciences, Gyeongsang National University) ;
  • Huh Hye-Soon (Institute of Agriculture and Life Sciences, Gyeongsang National University) ;
  • Yun Ji-Eun (Institute of Agriculture and Life Sciences, Gyeongsang National University) ;
  • Son Jun-Ki (Institute of Agriculture and Life Sciences, Gyeongsang National University) ;
  • Jang Hyeon-Kyu (Institute of Agriculture and Life Sciences, Gyeongsang National University) ;
  • Uhm Ki-Baik (Entomology Division, National Institute of Agricultural Science and Technology, RDA) ;
  • Park Chung-Gyoo (Institute of Agriculture and Life Sciences, Gyeongsang National University)
  • 허완 (경상대학교 농업생명과학연구원) ;
  • 허혜순 (경상대학교 농업생명과학연구원) ;
  • 윤지은 (경상대학교 농업생명과학연구원) ;
  • 손준기 (경상대학교 농업생명과학연구원) ;
  • 장현규 (경상대학교 농업생명과학연구원) ;
  • 엄기백 (농업과학기술원 농업해충과) ;
  • 박정규 (경상대학교 농업생명과학연구원)
  • Published : 2006.04.01
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Abstract

The damaged area by and the distribution of Japanese gall forming thrips, Ponticulothrips diospyrosi Haga et Okajima (Thysanoptera: Phlaeothripidae) in Korea were surveyed based on the answers of persimmon growers to questionnaire. Seasonal occurrence of each developmental stage was estimated by monitoring the individuals in damaged leaves, and effect of trap site and side of sticky board were studied by yellow sticky traps at three sweet persimmon orchards in Gimhae and Jinju (orchards A and B), Gyeongnam province, Korea in 2005. P. diospyrosi gave damage to astringent persimmon as well as sweet one. The damaged area of persimmon orchard has sharply increased since 2000, reaching 446 ha nationwide; Gyeongnam province was most severely damaged, followed by Gyeongbuk and Jeonnam provinces. Most of the farmers answered that they sprayed insecticides and removed the damaged leaves to control P. diospyrosi. The overwintered adults were observed in the damaged-rolled leaves from mid May and the 1st generation adults from early-mid June. No thrips were observed in the damaged leaves after mid July. Yellow sticky trap data showed that peak adults catch of the overwintered generation was mid May, and that of the 1st generation was mid-late June in Gimhae and late June in Jinju. Sticky traps set at orchard-pine forest border caught significantly more number of the 1st generation adults than those at the orchard center, even though timing of peak catches was not different between the two sites. There was a tendency of more catches on the side of sticky trap facing pine forest than the other side facing orchard center, even though the catches on both sides showed no statistical difference.

전국의 감 재배 농가를 대상으로 감관총채벌레(Ponticulothrips diospyrosi Haga et Okajima)의 피해 면적과 분포 및 방제방법을 설문 조사하였고, 경남 김해와 진주의 세 곳 단감원에서 끈끈이 트랩과 감관총채벌레에 의한 피해엽을 조사하여 각 태별 발생시기를 파악하였으며, 트랩의 위치와 트랩면의 방향에 따른 유살수의 차이를 비교하였다. 감관총채벌레는 단감뿐 아니라 떫은 감도 가해하였으며, 피해면적은 2000년 이후 급격히 증가하여 2005년에는 전국적으로 446 ha에 달하였는데, 피해면적은 경남>경북>전남 순이었다. 대부분의 농민들은 감관총채벌레를 방제하기 위하여 살충제를 살포하거나 피해 잎을 제거해주었다. 월동세대와 제1세대 성충은 각각 5월 중순과 6월 상 중순부터 피해엽내에서 관찰되었으며, 7월 중순 이후에는 피해엽 내에 감관총채벌레가 발견되지 않았다. 황색끈끈이 트랩에 의한 월동세대 성충의 유살최성기는 5월 중순이었고, 제1세대 성충의 유살최성기는 김해에서는 6월 중 하순, 진주에서는 6월 하순이었다. 과수원 중앙보다는 외곽에 설치한 트랩에 제1세대 성충이 더 많이 유인되었으나 유살시기에는 차이가 없었다. 끈끈이 판의 양면 중에서 과수원의 중앙보다는 소나무 숲으로 향한 면에 더 많은 성충이 유살되는 경향이 있었으나 통계적 차이는 없었다.

Keywords

References

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