病原菌上澄み製剤の殺アリマキ活性に及ぼすイソトリデシルアルコールのエトキシル化の効果

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  • Kim Jae Su
    Department of Agricultural Biology, College of Agriculture & Life Sciences, Chonbuk National University
  • Je Yeon Ho
    Department of Agricultural Biotechnology, College of Agriculture & Life Sciences, Seoul National University
  • Skinner Margaret
    Entomology Research Laboratory, University of Vermont
  • Parker Bruce L.
    Entomology Research Laboratory, University of Vermont

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  • Effect of ethoxylation of isotridecyl alcohol on aphicidal activity of fungal supernatant formulation

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When the insect-killing (entomopathogenic) fungal supernatant is considered for biological pest control, incorporation of an appropriate surfactant is required to allow the supernatant to work on insect cuticles. The Beauveria bassiana (SFB-205) supernatant with less ethoxylated isotridecyl alcohol (TDE) had higher insecticidal activity against adults of the cotton aphid, Aphis gossypii Glover (Hemiptera: Aphididae). Incorporation of TDE to the supernatant increased the potency of the fungal supernatant in an ethoxylation-dependent manner, representing a practical approach to effectively control cotton aphids.

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