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1 August 2005 Enhanced Activity of the Nucleopolyhedrovirus of the Fall Armyworm (Lepidoptera: Noctuidae) on Bt-Transgenic and Nontransgenic Sweet Corn with a Fluorescent Brightener and a Feeding Stimulant
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Abstract

The effects of a nutrient-based feeding stimulant, Coax, and a stilbene-based optical brightener, Blankophor P167, on the activity of the nucleopolyhedrovirus of the fall armyworm, Spodoptera frugiperda (J. E. Smith) (SfMNPV) on transgenic sweet corn, Zea mays L., expressing a CryIA(b) toxin from Bacillus thuringiensis (Berliner), were studied in the laboratory. Both Coax and Blankophor P167 increased virus-induced mortality. The effects of both materials did not differ between transgenic and nontransgenic corn. The greatest increase in virus-induced mortality occurred when Coax and Blankophor P167 were combined. Neither material affected the percentage of larvae killed by the CryIA(b) toxin.

Robert R. Farrar, Martin Shapiro, and B. Merle Shepard "Enhanced Activity of the Nucleopolyhedrovirus of the Fall Armyworm (Lepidoptera: Noctuidae) on Bt-Transgenic and Nontransgenic Sweet Corn with a Fluorescent Brightener and a Feeding Stimulant," Environmental Entomology 34(4), (1 August 2005). https://doi.org/10.1603/0046-225X-34.4.825
Received: 22 December 2004; Accepted: 1 May 2005; Published: 1 August 2005
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