Feeding of Corn Earworm in the Laboratory on Excised Silks of Selected Corn Entries with Notes on Orius Insidiosus

Authors

  • B. R. Wiseman
  • W. W. McMillian
  • N. W. Widstrom

Abstract

Selected corn, Zea mays L., entries, previously classified in the field as resistant or susceptible, were evaluated in the laboratory using corn earworm, Heliothis zea (Boddie), larval growth and mortality to measure the effects of utilizing silks as diets. Data obtained on earworm larval growth and mortality, when force-fed silks of resistant corns, indicated that at least 2 mechanisms of resistance were present, tolerance and either antibiosis or non-preference.

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Published

1976-09-01

Issue

Section

Literature Review Articles