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팥나방(Matsumuraeses phaseoli)의 발육과 생식에 미치는 온도의 영향

Effects of Temperature on the Development and Reproduction of Matsumuraeses phaseoli (Lepidoptera: Tortricidae)

  • 안정준 (국립원예특작과학원 온난화대응농업연구소) ;
  • 김은영 (국립식량과학원 재배환경과) ;
  • 서보윤 (국립식량과학원 기초기반과) ;
  • 정진교 (국립식량과학원 재배환경과)
  • Jeong Joon, Ahn (Research Institute of Climate Change and Agriculture, National Institute of Horticultural & Herbal Science) ;
  • Eun Young, Kim (Crop Cultivation and Environment Research Division, National Institute of Crop Science, Rural Development Administration) ;
  • Bo Yoon, Seo (Crop Foundation Division, National Institute of Crop Science, Rural Development Administration) ;
  • Jin Kyo, Jung (Crop Cultivation and Environment Research Division, National Institute of Crop Science, Rural Development Administration)
  • 투고 : 2022.06.09
  • 심사 : 2022.07.07
  • 발행 : 2022.09.01

초록

팥나방은 콩과작물 특히 팥을 가해하는 해충으로 알려져 있다. 본 연구는 팥나방의 생물적 특징을 알아보기 위해 발육단계별 발육기간, 성충의 수명과 번식능력을 7, 10, 13, 16, 19, 22, 25, 28, 31, 34℃ 항온조건에서 조사하였다. 알은 7℃와 34℃를 제외한 모든 항온조건에서 부화하였고 유충은 13~28℃ 온도조건에서 성공적으로 성충으로 발육하였다. 알의 발육기간은 25℃까지 온도가 상승할수록 짧아지다가 이후 온도에서 길어지는 경향을 보였다. 유충, 번데기의 발육기간과 성충수명은 온도가 상승할수록 감소하였다. 팥나방 발육단계별 발육 최저, 최고 한계는 LRF와 SSI모델을 이용하여 계산하였고 발육영점온도와 유효적산온일도는 선형회귀분석을 이용하였다. 1령 유충 부화부터 성충출현까지의 발육영점온도와 유효적산일은 9.1℃와 264.5DD였다. SSI모델을 이용한 부화부터 성충출현까지 발육최저 및 최고온도는 20.0℃과 32.3℃였고 이들간의 차이 즉 발육적정온도범위는 12.3℃였다. 온도와 관련된 팥나방 성충의 생존과 산란특성을 이용하여 산란모형을 작성하였다. 본 연구에서 제시한 온도발육모형과 산란모형은 야외에서 팥나방의 개체군동태를 이해하고 콩과작물의 종합적인 해충군관리체계 확립에 기여할 것으로 보인다.

Matsumuraeses phaseoli is one of important pests in soybean crops, especially adzuki beans. We investigated the effects of temperature on development of each life stage, adult longevity and fecundity of M. phaseoli for understanding the biological characteristics of M. phaseoli at ten constant temperatures of 7, 10, 13, 16, 19, 22, 25, 28, 31, and 34℃. Eggs hatched successfully at all temperature subjected except 7℃ and 34℃. The developmental period of each life stage and adult longevity of M. phaseoli decreased as temperature increased. Lower and higher threshold temperature (TL and TH) were calculated by the Lobry-Rosso-Flandrois (LRF) and Sharpe-Schoolfield-Ikemoto (SSI) models. The lower developmental threshold (LDT) and thermal constant (K) from egg hatching to adult emergence of M. phaseoli were estimated by linear regression as 9.04℃ and 422.97DD, respectively. TL and TH from egg hatching to adult emergence using SSI model were 20.0℃ and 32.3℃. Thermal windows, i.e., the range in temperature between the minimum and maximum rate of development, of M. phaseoli was 12.3℃. We constructed the adult oviposition model of M. phaseoli using adult survivorship and fecundity. Temperature-dependent development models and adult oviposition models will be helpful to understand the population dynamics of M. falcana and to establish the strategy of integrated pest management in soybean fields.

키워드

과제정보

본 연구는 농촌진흥청 어젠다 연구과제(PJ01527801)를 수행하는 과정에서 얻은 결과를 바탕으로 작성되었다.

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