Citation: XU Hong—ge, PENG Hui—yin, LIU Jia—xin, BAI Zhi—qiang, XIE Wei. Enhancement to Helicoverpa armigera NucleOpOlyhedrOVirus by Chitinase of W HS3 Strain .VIROLOGICA SINICA, 2002, 17(3) : 239-242.

Enhancement to Helicoverpa armigera NucleOpOlyhedrOVirus by Chitinase of W HS3 Strain

  • Available online: 05 June 2002
  • WHs3 Serratia marcesscens is a high yield bacterium of Chitinase.The yield of chtinase in induce medium was 84.4t~g/mI .The chitinase(A3) can enhance the toxicity of Helicoverpa arm igera nucleopolyhedrovirus(HaSNPV)up tO 20% ~70% .The LT50 and LT90 were shortened 1.1 and 1.3 days respectively com paring with contro1

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    Enhancement to Helicoverpa armigera NucleOpOlyhedrOVirus by Chitinase of W HS3 Strain

    • 1. Wuhan Institute of Virology,Chinese Academy 0,Sciences,Wuhan 430071,China

    Abstract: WHs3 Serratia marcesscens is a high yield bacterium of Chitinase.The yield of chtinase in induce medium was 84.4t~g/mI .The chitinase(A3) can enhance the toxicity of Helicoverpa arm igera nucleopolyhedrovirus(HaSNPV)up tO 20% ~70% .The LT50 and LT90 were shortened 1.1 and 1.3 days respectively com paring with contro1

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