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United States Department of Agriculture

Agricultural Research Service

Research Project: GENETIC IMPROVEMENT OF MAIZE AND PEARL MILLET FOR RESISTANCE TO INSECTS AND AFLATOXIN Title: Impact of transgenic sweet corn silks to two noctuid pests

Authors
item Futch, Kendall -
item Ni, Xinzhi
item Sparks, JR., Alton -

Submitted to: Southeast Regional Fruit and Vegetable Conference
Publication Type: Abstract Only
Publication Acceptance Date: December 15, 2010
Publication Date: N/A

Interpretive Summary: not required

Technical Abstract: Eight Bacillus thuringiensis (Bt) transgenic sweet corn hybrids were evaluated (with two controls) for their efficacy against two ear-feeding insects; the corn earworm [Helicoverpa zea (Boddie) (Lepidoptera: Noctuidae)], and the fall armyworm (Spodoptera frugiperda (J.E. Smith) (Lepidoptera: Noctuidae). The mortality of corn earworm was significantly higher in the Bt-transgenic sweet corn hybrids than that in the controls (‘Garrison’ and ‘Serendipity’) but, mortality of fall armyworm was not different among the Bt and non-Bt hybrids. In addition, the weight of live larvae showed that the transgenic Bt-genes have significantly reduced the larval weight for both insects, except in ‘BC0808’.

Last Modified: 10/31/2014
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