Korean journal of applied entomology (한국응용곤충학회지)

Korean Society of Applied Entomology (한국응용곤충학회)
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Rearing system for rice leaffolder, Cnaphalocrocis medinalis (Lepidoptera: Crambidae) using corn seedlings

옥수수 유묘를 이용한 혹명나방 사육체계

  • Park Hong-Hyun (Applied Entomology division, Department of Agricultural Biology, National Institute of Agricultural Science and Technology, Rural Development Administration) ;
  • Park Chang-Gu (Applied Entomology division, Department of Agricultural Biology, National Institute of Agricultural Science and Technology, Rural Development Administration) ;
  • Park Hyung-Man (Applied Entomology division, Department of Agricultural Biology, National Institute of Agricultural Science and Technology, Rural Development Administration) ;
  • Uhm Ki-Baik (Applied Entomology division, Department of Agricultural Biology, National Institute of Agricultural Science and Technology, Rural Development Administration)
  • 박홍현 (농촌진흥청 농업과학기술원 농업생물부 농업해충과) ;
  • 박창규 (농촌진흥청 농업과학기술원 농업생물부 농업해충과) ;
  • 박형만 (농촌진흥청 농업과학기술원 농업생물부 농업해충과) ;
  • 엄기백 (농촌진흥청 농업과학기술원 농업생물부 농업해충과)
  • Published : 2006.04.01
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Abstract

This paper reports a simple rearing system for Cnaphalocrocis medinalis based on corn seedlings diet. C. medinalis population under this system has been maintained by four stages (egg, young larva-1st to 3rd instar, old larva-4th to prepupa, 3nd adult) at $25{\pm}2^{\circ}C,\;40{\pm}10%$ RH, 3nd 16L:8D photoperiod in a laboratory. We have elaborated a new egg collection method using a polystyrene container $(top\;{\phi}11.3\;{\times}\;bottom\;{\phi}\;{\times}\;H8cm)$ which has made a great contribution in easy collection of eggs and storage of them for long period. Under this system, pupation and adult emergence rate, and pupal weight of C. medinalis population were close to the other reports by com seedling diet, and superior to those by artificial diets. Therefore, this rearing system would be useful in obtaining C. medinalsis population suitable to each specific needs.

본 논문에서는 옥수수 유묘를 이용한 간단한 혹명나방 사육체계를 보고하고자 한다. 본 사육체계는 온도 $25{\pm}2^{\circ}C$, 상대습도 410%, 광주기 16L:8D 의 실험실 조건에서 알, 어린유충(1-3령), 큰 유충(4령-전용), 번데기단계로 혹명나방 개체군을 나누어서 보호, 유지하였다. 본 사육체계에서는 특히 폴리스티렌 용기(위 ${\phi}11.3{\times}$ 아래 ${\phi}9{\times}$ H8cm)를 이용하여 채란법을 새롭게 개선시켜 쉽게 알을 보관하고 장기간 저장이 가능하도록 하였다. 본 사육체계에서 누대 사육된 집단의 용화율, 우화율, 번데기무게는 기존의 옥수수 유묘를 이용한 시험결과와 대등하였으며, 인공사료를 이용한 사육결과 보다는 우수하였다. 따라서 본 사육체계는 시험에 필요한 혹명나방 공시충을 확보하는데 보다 유용할 것으로 판단되었다.

Keywords

References

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