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Modeling the Dynamics of Adaptation to Transgenic Corn by Western Corn Rootworm (Coleoptera: Chrysomelidae)
A simulation model of the population dynamics and genetics of the western corn rootworm, Diabrotica virgifera virgifera LeConte, was created for a landscape of corn, soybean, and other crops. Although the model was created to study a 2-locus problem for beetles having genes for resistance to both cr...
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| Published in: | Journal of economic entomology 2001-04, Vol.94 (2), p.529-540 |
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| Main Authors: | , , , , |
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| Language: | English |
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| cites | cdi_FETCH-LOGICAL-b369t-28dc995b2d4cf473c7522bef98ce25cb003cd4c1a99b4aae4be1f9bd5ac714b73 |
| container_end_page | 540 |
| container_issue | 2 |
| container_start_page | 529 |
| container_title | Journal of economic entomology |
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| creator | Onstad, David W. Guse, Charles A. Spencer, Joseph L. Levine, Eli Gray, Michael E. |
| description | A simulation model of the population dynamics and genetics of the western corn rootworm, Diabrotica virgifera virgifera LeConte, was created for a landscape of corn, soybean, and other crops. Although the model was created to study a 2-locus problem for beetles having genes for resistance to both crop rotation and transgenic corn, during this first phase of the project, the model was simulated to evaluate only resistance management plans for transgenic corn. Allele expression in the rootworm and toxin dose in the corn plant were the two most important factors affecting resistance development. A dominant resistance allele allowed quick evolution of resistance to transgenic corn, whereas a recessive allele delayed resistance >99 yr. With high dosages of toxin and additive expression, the time required to reach 3% resistance allele frequency ranged from 13 to >99 yr. With additive expression, lower dosages permitted the resistant allele frequency to reach 3% in 2–9 yr with refuges occupying 5–30% of the land. The results were sensitive to delays in emergence by susceptible adults and configuration of the refuge (row strips versus blocks). |
| doi_str_mv | 10.1603/0022-0493-94.2.529 |
| format | article |
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Although the model was created to study a 2-locus problem for beetles having genes for resistance to both crop rotation and transgenic corn, during this first phase of the project, the model was simulated to evaluate only resistance management plans for transgenic corn. Allele expression in the rootworm and toxin dose in the corn plant were the two most important factors affecting resistance development. A dominant resistance allele allowed quick evolution of resistance to transgenic corn, whereas a recessive allele delayed resistance >99 yr. With high dosages of toxin and additive expression, the time required to reach 3% resistance allele frequency ranged from 13 to >99 yr. With additive expression, lower dosages permitted the resistant allele frequency to reach 3% in 2–9 yr with refuges occupying 5–30% of the land. 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Psychology ; Genetics and breeding of economic plants ; host plant resistance ; Insecticide Resistance ; INSECTICIDE RESISTANCE AND RESISTANCE MANAGEMENT ; Male ; Models, Genetic ; Pest animals ; Pest resistance ; Phytopathology. Animal pests. Plant and forest protection ; Plants, Genetically Modified ; population genetics ; Protozoa. Invertebrates ; resistance management ; simulation model ; Varietal selection. 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Although the model was created to study a 2-locus problem for beetles having genes for resistance to both crop rotation and transgenic corn, during this first phase of the project, the model was simulated to evaluate only resistance management plans for transgenic corn. Allele expression in the rootworm and toxin dose in the corn plant were the two most important factors affecting resistance development. A dominant resistance allele allowed quick evolution of resistance to transgenic corn, whereas a recessive allele delayed resistance >99 yr. With high dosages of toxin and additive expression, the time required to reach 3% resistance allele frequency ranged from 13 to >99 yr. With additive expression, lower dosages permitted the resistant allele frequency to reach 3% in 2–9 yr with refuges occupying 5–30% of the land. The results were sensitive to delays in emergence by susceptible adults and configuration of the refuge (row strips versus blocks).</description><subject>Adaptation, Physiological - genetics</subject><subject>Agronomy. Soil science and plant productions</subject><subject>Animals</subject><subject>Biological and medical sciences</subject><subject>Chemical control</subject><subject>Coleoptera - genetics</subject><subject>Computer Simulation</subject><subject>Control</subject><subject>Diabrotica virgifera virgifera LeConte</subject><subject>Female</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Genetics and breeding of economic plants</subject><subject>host plant resistance</subject><subject>Insecticide Resistance</subject><subject>INSECTICIDE RESISTANCE AND RESISTANCE MANAGEMENT</subject><subject>Male</subject><subject>Models, Genetic</subject><subject>Pest animals</subject><subject>Pest resistance</subject><subject>Phytopathology. Animal pests. Plant and forest protection</subject><subject>Plants, Genetically Modified</subject><subject>population genetics</subject><subject>Protozoa. Invertebrates</subject><subject>resistance management</subject><subject>simulation model</subject><subject>Varietal selection. 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Soil science and plant productions</topic><topic>Animals</topic><topic>Biological and medical sciences</topic><topic>Chemical control</topic><topic>Coleoptera - genetics</topic><topic>Computer Simulation</topic><topic>Control</topic><topic>Diabrotica virgifera virgifera LeConte</topic><topic>Female</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Genetics and breeding of economic plants</topic><topic>host plant resistance</topic><topic>Insecticide Resistance</topic><topic>INSECTICIDE RESISTANCE AND RESISTANCE MANAGEMENT</topic><topic>Male</topic><topic>Models, Genetic</topic><topic>Pest animals</topic><topic>Pest resistance</topic><topic>Phytopathology. Animal pests. Plant and forest protection</topic><topic>Plants, Genetically Modified</topic><topic>population genetics</topic><topic>Protozoa. Invertebrates</topic><topic>resistance management</topic><topic>simulation model</topic><topic>Varietal selection. Specialized plant breeding, plant breeding aims</topic><topic>Zea mays</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Onstad, David W.</creatorcontrib><creatorcontrib>Guse, Charles A.</creatorcontrib><creatorcontrib>Spencer, Joseph L.</creatorcontrib><creatorcontrib>Levine, Eli</creatorcontrib><creatorcontrib>Gray, Michael E.</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Journal of economic entomology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Onstad, David W.</au><au>Guse, Charles A.</au><au>Spencer, Joseph L.</au><au>Levine, Eli</au><au>Gray, Michael E.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Modeling the Dynamics of Adaptation to Transgenic Corn by Western Corn Rootworm (Coleoptera: Chrysomelidae)</atitle><jtitle>Journal of economic entomology</jtitle><addtitle>J Econ Entomol</addtitle><date>2001-04-01</date><risdate>2001</risdate><volume>94</volume><issue>2</issue><spage>529</spage><epage>540</epage><pages>529-540</pages><issn>0022-0493</issn><eissn>1938-291X</eissn><eissn>0022-0493</eissn><coden>JEENAI</coden><notes>ObjectType-Article-1</notes><notes>SourceType-Scholarly Journals-1</notes><notes>ObjectType-Feature-2</notes><notes>content type line 23</notes><abstract>A simulation model of the population dynamics and genetics of the western corn rootworm, Diabrotica virgifera virgifera LeConte, was created for a landscape of corn, soybean, and other crops. 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The results were sensitive to delays in emergence by susceptible adults and configuration of the refuge (row strips versus blocks).</abstract><cop>Lanham, MD</cop><pub>Entomological Society of America</pub><pmid>11332850</pmid><doi>10.1603/0022-0493-94.2.529</doi><tpages>12</tpages></addata></record> |
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| ispartof | Journal of economic entomology, 2001-04, Vol.94 (2), p.529-540 |
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| source | Oxford University Press |
| subjects | Adaptation, Physiological - genetics Agronomy. Soil science and plant productions Animals Biological and medical sciences Chemical control Coleoptera - genetics Computer Simulation Control Diabrotica virgifera virgifera LeConte Female Fundamental and applied biological sciences. Psychology Genetics and breeding of economic plants host plant resistance Insecticide Resistance INSECTICIDE RESISTANCE AND RESISTANCE MANAGEMENT Male Models, Genetic Pest animals Pest resistance Phytopathology. Animal pests. Plant and forest protection Plants, Genetically Modified population genetics Protozoa. Invertebrates resistance management simulation model Varietal selection. Specialized plant breeding, plant breeding aims Zea mays |
| title | Modeling the Dynamics of Adaptation to Transgenic Corn by Western Corn Rootworm (Coleoptera: Chrysomelidae) |
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