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American Potato Journal

, Volume 62, Issue 1, pp 29–37 | Cite as

Management of the Colorado potato beetle using the entomogenous fungusBeauveria bassiana

  • R. K. Campbell
  • T. E. Anderson
  • M. Semel
  • D. W. Roberts
Article

Abstract

Small field plots of Katahdin potatoes on Long Island, NY were treated 6 times in 1980 for control of Colorado potato beetle (CPB)Leptinotarsa decemlineata (Say), Coleoptera: Chrysomelidae, using either the entomogenous fungusBeauveria bassiana (Balsamo) Vuill. (Bb) at 5x 1013 colony forming units/ha or fenvalerate at 0.227 kg active ingredient/ha. No significant differences were found between Bb and fenvalerate treatments in egg mass size and viability or in the total foliage consumed by first generation CPBs. First generation CPB larval populations were significantly higher in Bb plots. Oviposition by first generation adults and second generation beetle populations were higher in fenvalerate plots. Average yield was 29.4 metric tons/ha in fenvalerate plots and 24.6 metric tons/ha in Bb plots (a 16% reduction), but nearby untreated plots were completely defoliated by July 24 and yielded <7 metric tons/ha (> 60% reduction).

Key Words

Beauveria bassiana Colorado potato beetle insect pest management 

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Copyright information

© Springer 1985

Authors and Affiliations

  • R. K. Campbell
    • 1
  • T. E. Anderson
    • 2
  • M. Semel
    • 3
  • D. W. Roberts
    • 2
  1. 1.Campbell Scientific ServicesEnid
  2. 2.Insect Pathology Resource Center, Boyce Thompson Institute for Plant ResearchCornell UniversityIthaca
  3. 3.Department of EntomologyCornell University, Long Island Horticultural Research LaboratoryRiverhead

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