• Title/Summary/Keyword: 생물농약

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한국의 과학기술 어디까지 왔나 - 생물농약기술

  • Bu, Gang-Saeng
    • The Science & Technology
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    • v.33 no.4 s.371
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    • pp.16-18
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    • 2000
  • 생물농약은 농작물 생산에 유해한 생물을 방제하는데 사용하는 자연산 생물이나 물질이다. 현재까지 등록된 생물농약은 1백88개중 75%가 살충제이고 다음으로 살균제 29종, 제초제 10종, 식물생장조정제가 7종을 차지하고 있다. 국내에서 상품으로 나온 것은 아직 없지만 각 대학에서 개발이 활발하게 진행되고 있어 곧 상품화 될 것으로 기대되고 있다.

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Study on Development of Novel Biopesticides Using Entomopathogenic Bacterial Culture Broth of Xenorhabdus and Photorhabdus (Xenorhabdus 및 Photorhabdus 세균 배양액을 이용한 생물농약 개발에 관한 연구)

  • Seo, Sam-Yeol;Kim, Yong-Gyun
    • Korean journal of applied entomology
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    • v.49 no.3
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    • pp.241-249
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    • 2010
  • Two groups of entomopathogenic bacteria, Xenorhabdus and Photorhabdus, are known to suppress insect immune responses by inhibiting eicosanoid biosynthesis. This study used these bacterial culture broths to develop novel biochemical insecticides against the diamondback moth, Plutella xylostella. Though the bacterial culture broths alone showed little insecticidal activity, they significantly enhanced pathogenicity of Bacillus thuringiensis against the fourth instar larvae of P. xylostella. Sterilization of the bacterial culture broth by autoclaving or $0.2\;{\mu}m$ membrane filtering did not influence the synergistic effect on the pathogenicity of B. thuringiensis. Three metablites identified in the culture broth of X. nematophila also showed similar synergistic effects. In field test, both entomopathogenic bacterial culture broth also enhanced the control efficacy of B. thuringiensis against P. xylostella.