Age-specific dose-mortality effects of Beauveria bassiana (Deuteromycotina: Hyphomycetes) on the European corn borer, Ostrinia nubilalis (Lepidoptera: Pyralidae)

Ziding Feng, Raymond I. Carruthers, Donald W. Roberts, Douglas S. Robson

Research output: Contribution to journalArticlepeer-review

57 Scopus citations

Abstract

Three isolates of Beauveria bassiana were evaluated under laboratory conditions for pathogenicity against the European corn borer, Ostrinia nubilalis. Dose-mortality regressions and nonparametric statistical analyses revealed significant differences in pathogenicity between isolates and across O. nubilalis instars. First instars were found to be the most susceptible of the five larval stages. Little difference was noted for instars 2, 3, and 5 within any of the three B. bassiana isolates. Fourth instar larvae were found to be the most tolerant in all cases.

Original languageEnglish (US)
Pages (from-to)259-264
Number of pages6
JournalJournal of Invertebrate Pathology
Volume46
Issue number3
DOIs
StatePublished - Nov 1985

Keywords

  • Beauveria bassiana
  • European corn borer
  • Ostrinia nubilalis
  • dose-response
  • mycosis

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics

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