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      PATOGENISITAS Beauveria bassiana TERHADAP BERBAGAI INSTAR LARVA Crocidolomia pavonana

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      ART2005_TSA.pdf (9.370Mb)
      Date
      2005-04
      Author
      Zulyusri
      Santoso, Teguh
      Kartosuwondo, Utomo
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      Abstract
      Patogenicity tcst of Beauveria bassiana fungi of infected Crocidolomia pavonana, was conducted to larva of Crocidolomia pavonana instar 1, 2 dan 3. Isolat was propagated on media SDAY. Application of conidia (3 weeks of age) by sprayer to several instar stages (instar I, 2, dan 3) and leaf with conidia density 10-10, 10-9,10-8, 10-7 10-6, 10-5, 10-4' konidia/ml, and control Result indicated that all larva instar, the higher the conidia density the higher the mortality rate. The higher the larva instar, the higher LC50 ,value. LC50 value of instar 1, 2, dan 3 respectively 1.75 X 10-6,4.27 X 10-7 , dan 2.01 x 10-9
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      http://repository.ipb.ac.id/handle/123456789/69505
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