Preliminary Report of the Effects of Bacterial Species upon the European Corn Borer1

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Suspensions of 16 bacterial species were sprayed only on egg stages of the European corn borer, Ostrinia nubilalis (Hübner). Except for 1 test, a single species of bacteria was sprayed on the eggs. In all tests larval mortality was slight. Egg production per female averaged 390 in the control group. Females derived from eggs treated with Serratia marcescens Bizio averaged 278 eggs; females from eggs treated with Escherichia coli (Migula) averaged 200 eggs. Females from eggs treated with both S. marcescens and E. coli averaged 144 eggs. There was no indication of transovarial infection by S. marcescens or E. coli.

Document Type: Research Article

Publication date: April 1, 1968

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