Modeling a western corn rootworm, Diabrotica virgifera virgifera (Coleoptera: Chrysomelidae), maturation delay and resistance evolution in Bt corn. Issue 6 (2nd October 2013)
- Record Type:
- Journal Article
- Title:
- Modeling a western corn rootworm, Diabrotica virgifera virgifera (Coleoptera: Chrysomelidae), maturation delay and resistance evolution in Bt corn. Issue 6 (2nd October 2013)
- Main Title:
- Modeling a western corn rootworm, Diabrotica virgifera virgifera (Coleoptera: Chrysomelidae), maturation delay and resistance evolution in Bt corn
- Authors:
- Kang, Jung koo
Krupke, Christian H
Murphy, Alexzandra F
Spencer, Joseph L
Gray, Michael E
Onstad, David W - Abstract:
- <abstract abstract-type="main" id="ps3642-abs-0001"> <title>Abstract</title> <sec id="ps3642-sec-0001" sec-type="section"> <title>BACKGROUND</title> <p id="ps3642-para-0001"> <bold>Emergence delay and female‐skewed sex ratios among adults of <italic>Diabrotica virgifera virgifera</italic> LeConte (Coleoptera: Chrysomelidae) from <italic>Bt</italic> corn have been reported in field studies. The authors used a simulation model to study the effect of a maturation delay and a female‐skewed sex ratio for <italic>D. v. virgifera</italic> emerging from <italic>Bt</italic> corn on the evolution of <italic>Bt</italic> resistance.</bold> </p> </sec> <sec id="ps3642-sec-0002" sec-type="section"> <title>RESULTS</title> <p id="ps3642-para-0002"> <bold>The effect of skewed toxin mortality in one sex on evolution of <italic>Bt</italic> resistance was insignificant. An emergence delay among resistant beetles from <italic>Bt</italic> corn slowed resistance evolution. A shift in the time of emergence for homozygous susceptible beetles from <italic>Bt</italic> corn did not have a significant effect on the evolution of <italic>Bt</italic> resistance in <italic>D. v. virgifera</italic>.</bold> </p> </sec> <sec id="ps3642-sec-0003" sec-type="section"> <title>CONCLUSION</title> <p id="ps3642-para-0003"> <bold>This simulation study suggested that skewed toxin mortality in one sex and an emergence delay for beetles in <italic>Bt</italic> corn are not major concerns for managing resistance by<abstract abstract-type="main" id="ps3642-abs-0001"> <title>Abstract</title> <sec id="ps3642-sec-0001" sec-type="section"> <title>BACKGROUND</title> <p id="ps3642-para-0001"> <bold>Emergence delay and female‐skewed sex ratios among adults of <italic>Diabrotica virgifera virgifera</italic> LeConte (Coleoptera: Chrysomelidae) from <italic>Bt</italic> corn have been reported in field studies. The authors used a simulation model to study the effect of a maturation delay and a female‐skewed sex ratio for <italic>D. v. virgifera</italic> emerging from <italic>Bt</italic> corn on the evolution of <italic>Bt</italic> resistance.</bold> </p> </sec> <sec id="ps3642-sec-0002" sec-type="section"> <title>RESULTS</title> <p id="ps3642-para-0002"> <bold>The effect of skewed toxin mortality in one sex on evolution of <italic>Bt</italic> resistance was insignificant. An emergence delay among resistant beetles from <italic>Bt</italic> corn slowed resistance evolution. A shift in the time of emergence for homozygous susceptible beetles from <italic>Bt</italic> corn did not have a significant effect on the evolution of <italic>Bt</italic> resistance in <italic>D. v. virgifera</italic>.</bold> </p> </sec> <sec id="ps3642-sec-0003" sec-type="section"> <title>CONCLUSION</title> <p id="ps3642-para-0003"> <bold>This simulation study suggested that skewed toxin mortality in one sex and an emergence delay for beetles in <italic>Bt</italic> corn are not major concerns for managing resistance by <italic>D. v. virgifera</italic> to single‐toxin or pyramided <italic>Bt</italic> corn. © 2013 Society of Chemical Industry</bold> </p> </sec> </abstract> … (more)
- Is Part Of:
- Pest management science. Volume 70:Issue 6(2014:Jun.)
- Journal:
- Pest management science
- Issue:
- Volume 70:Issue 6(2014:Jun.)
- Issue Display:
- Volume 70, Issue 6 (2014)
- Year:
- 2014
- Volume:
- 70
- Issue:
- 6
- Issue Sort Value:
- 2014-0070-0006-0000
- Page Start:
- 996
- Page End:
- 1007
- Publication Date:
- 2013-10-02
- Subjects:
- Pests -- Control -- Periodicals
Pesticides -- Periodicals
632.9 - Journal URLs:
- http://onlinelibrary.wiley.com/ ↗
- DOI:
- 10.1002/ps.3642 ↗
- Languages:
- English
- ISSNs:
- 1526-498X
- Deposit Type:
- Legaldeposit
- View Content:
- Available online (eLD content is only available in our Reading Rooms) ↗
- Physical Locations:
- British Library DSC - 6428.332000
British Library DSC - BLDSS-3PM
British Library STI - ELD Digital store - Ingest File:
- 3546.xml