Journal of Economic Entomology (1997) 90, 1195-1199

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Randall L. Pingel and Leslie C. Lewis (1997)
Field application of Bacillus thuringiensis and Anagrapha falcifera multiple nucleopolyhedrovirus against the corn earworm, (Lepidoptera: Noctuidae)
Journal of Economic Entomology 90 (5), 1195-1199
Abstract: Field evaluations were made of relative efficacy of 2 subspecies of Bacillus thuringiensis Berliner and Anagrapha falcifera multiple nucleopolyhedrovirus (AfMNPV) to control Helicoverpa zea (Boddie) on corn ears. also the compatibility of a starch-based additive - a 1:1 mixture of starch (Mirasperse) and sucrose - was determined when added to the entomopathogens. Applications of the 3 pathogens significantly decreased the percentage of ears damaged by H. zea and increased the percentage of ears with no damage and marketable ears. AfMNPV was as good as or better than the B. thuringiensis products in protecting the corn ear. The starch additive was determined to be-compatible with the pathogens but did not enhance their activity.
(The abstract is excluded from the Creative Commons licence and has been copied with permission by the publisher.)


Research topic(s) for pests/diseases/weeds:
biocontrol - natural enemies
Research topic(s) for beneficials or antagonists:
evaluation - screening - selection


Pest and/or beneficial records:

Beneficial Pest/Disease/Weed Crop/Product Country Quarant.


Helicoverpa zea Maize/corn (Zea mays)
Bacillus thuringiensis var. kurstaki (entomopathogen) Helicoverpa zea Maize/corn (Zea mays)
Autographa californica nucleopolyhedrovirus (entomopathogen) Helicoverpa zea Maize/corn (Zea mays)