Title
Management of grape colaspis, Colaspis brunnea (Coleoptera: Chrysomelidae), in seed corn production
Degree Type
Thesis
Date of Award
2006
Degree Name
Master of Science
Department
Entomology
First Advisor
Jon J. Tollefson
Abstract
In recent years, grape colaspis, Colaspis brunnea (F.), larvae have caused significant injury to seed corn by feeding on the surface of the root, denuding it of root hairs. This study tested two management techniques for C. brunnea in seed corn. The first objective was to test the efficacy of commercially available insecticides, specifically neonicotinoid seed treatments, in protecting commercial seed corn from C. brunnea larval injury. The results of this study showed insecticides offer protection to the seedling corn from C. brunnea larvae; however, no insecticide treatment significantly outperformed any other. The second objective was to develop and test the use of using foliar-applied insecticides to reduce adult C. brunnea populations and subsequently reduce larval populations. One or two applications of insecticides were found to significantly reduce adult and larval C. brunnea populations.
DOI
https://doi.org/10.31274/rtd-180813-12169
Publisher
Digital Repository @ Iowa State University, http://lib.dr.iastate.edu
Copyright Owner
Benjamin Carl Kaeb
Copyright Date
2006
Language
en
Proquest ID
AAI1439843
File Format
application/pdf
File Size
80 pages
Recommended Citation
Kaeb, Benjamin Carl, "Management of grape colaspis, Colaspis brunnea (Coleoptera: Chrysomelidae), in seed corn production " (2006). Retrospective Theses and Dissertations. 1380.
https://lib.dr.iastate.edu/rtd/1380
Included in
Agricultural Science Commons, Agriculture Commons, Agronomy and Crop Sciences Commons, Entomology Commons, Plant Pathology Commons
