Evaluation of Transgenic Bt Corn for Resistance to the Asian Corn Borer (Lepidoptera: Pyralidae)
The Asian corn borer, Ostrinia furnacalis (Guenée), is the most important insect pest on corn in China. Bt transgenic corn provides a new tool for Asian corn borer control. Monsanto’s YieldGard Bt transgenic corn expressing Cry1Ab protein, and a non-Bt control, were evaluated in Beijing. Laboratory...
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| Veröffentlicht in: | Journal of economic entomology 2003-06, Vol.96 (3), p.935-940 |
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| creator | He, Kanglai Wang, Zhenying Zhou, Darong Wen, Liping Song, Yanying Yao, Zhuyun |
| description | The Asian corn borer, Ostrinia furnacalis (Guenée), is the most important insect pest on corn in China. Bt transgenic corn provides a new tool for Asian corn borer control. Monsanto’s YieldGard Bt transgenic corn expressing Cry1Ab protein, and a non-Bt control, were evaluated in Beijing. Laboratory bioassays were carried out by exposing neonates to an agar-free diet containing Bt corn whorl leaves, tassels, and anthers, or by exposing neonates directly to fresh silk and pollen. These are the tissues initially attacked by neonates in the field. All of these tissues, with the exception of pollen, contained sufficient insecticidal protein to kill ≥95% of larvae within 7 d. Surviving larvae had also not grown beyond first instar and weighed ≤0.1 mg. Although larvae feeding on Bt corn pollen were significantly smaller than those on non-Bt corn pollen, there was no significant difference in mortality. Field trials were also conducted with artificial infestations of Asian corn borer at mid whorl, late whorl, and silking stages. Damage ratings and number of larvae surviving per plant indicated that Bt corn was highly resistant to Asian corn borer. Therefore, YieldGard offers the potential for season-long protection against first- and second-generation Asian corn borer. |
| doi_str_mv | 10.1603/0022-0493-96.3.935 |
| format | Article |
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Bt transgenic corn provides a new tool for Asian corn borer control. Monsanto’s YieldGard Bt transgenic corn expressing Cry1Ab protein, and a non-Bt control, were evaluated in Beijing. Laboratory bioassays were carried out by exposing neonates to an agar-free diet containing Bt corn whorl leaves, tassels, and anthers, or by exposing neonates directly to fresh silk and pollen. These are the tissues initially attacked by neonates in the field. All of these tissues, with the exception of pollen, contained sufficient insecticidal protein to kill ≥95% of larvae within 7 d. Surviving larvae had also not grown beyond first instar and weighed ≤0.1 mg. Although larvae feeding on Bt corn pollen were significantly smaller than those on non-Bt corn pollen, there was no significant difference in mortality. Field trials were also conducted with artificial infestations of Asian corn borer at mid whorl, late whorl, and silking stages. Damage ratings and number of larvae surviving per plant indicated that Bt corn was highly resistant to Asian corn borer. Therefore, YieldGard offers the potential for season-long protection against first- and second-generation Asian corn borer.</description><identifier>ISSN: 0022-0493</identifier><identifier>EISSN: 1938-291X</identifier><identifier>DOI: 10.1603/0022-0493-96.3.935</identifier><identifier>PMID: 12852639</identifier><identifier>CODEN: JEENAI</identifier><language>eng</language><publisher>Lanham, MD: Entomological Society of America</publisher><subject>Agronomy. Soil science and plant productions ; Animals ; Bacillus thuringiensis ; Bacterial Proteins - genetics ; Bacterial Proteins - metabolism ; Biological and medical sciences ; Biological Assay ; Body Weight ; Bt corn ; Diet ; Endotoxins - genetics ; Endotoxins - metabolism ; Fundamental and applied biological sciences. Psychology ; Gene Expression Regulation, Plant ; Genetics and breeding of economic plants ; host plant resistance ; Insect Control ; Larva - physiology ; Lepidoptera - physiology ; Ostrinia furnacalis ; Pest animals ; Pest Control, Biological ; Pest resistance ; PLANT RESISTANCE ; Plants, Genetically Modified ; transgenic plants ; Varietal selection. Specialized plant breeding, plant breeding aims ; Zea mays - genetics ; Zea mays - metabolism ; Zea mays - parasitology</subject><ispartof>Journal of economic entomology, 2003-06, Vol.96 (3), p.935-940</ispartof><rights>Entomological Society of America</rights><rights>2003 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-b327t-ba44d5eafc36f7d87c689b29580ae9dd02fd7122cdee921f81b36d8003edadce3</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://bioone.org/doi/pdf/10.1603/0022-0493-96.3.935$$EPDF$$P50$$Gbioone$$H</linktopdf><link.rule.ids>314,780,784,26969,27915,27916,52354</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=14890191$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/12852639$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>He, Kanglai</creatorcontrib><creatorcontrib>Wang, Zhenying</creatorcontrib><creatorcontrib>Zhou, Darong</creatorcontrib><creatorcontrib>Wen, Liping</creatorcontrib><creatorcontrib>Song, Yanying</creatorcontrib><creatorcontrib>Yao, Zhuyun</creatorcontrib><title>Evaluation of Transgenic Bt Corn for Resistance to the Asian Corn Borer (Lepidoptera: Pyralidae)</title><title>Journal of economic entomology</title><addtitle>J Econ Entomol</addtitle><description>The Asian corn borer, Ostrinia furnacalis (Guenée), is the most important insect pest on corn in China. Bt transgenic corn provides a new tool for Asian corn borer control. Monsanto’s YieldGard Bt transgenic corn expressing Cry1Ab protein, and a non-Bt control, were evaluated in Beijing. Laboratory bioassays were carried out by exposing neonates to an agar-free diet containing Bt corn whorl leaves, tassels, and anthers, or by exposing neonates directly to fresh silk and pollen. These are the tissues initially attacked by neonates in the field. All of these tissues, with the exception of pollen, contained sufficient insecticidal protein to kill ≥95% of larvae within 7 d. Surviving larvae had also not grown beyond first instar and weighed ≤0.1 mg. Although larvae feeding on Bt corn pollen were significantly smaller than those on non-Bt corn pollen, there was no significant difference in mortality. Field trials were also conducted with artificial infestations of Asian corn borer at mid whorl, late whorl, and silking stages. Damage ratings and number of larvae surviving per plant indicated that Bt corn was highly resistant to Asian corn borer. Therefore, YieldGard offers the potential for season-long protection against first- and second-generation Asian corn borer.</description><subject>Agronomy. Soil science and plant productions</subject><subject>Animals</subject><subject>Bacillus thuringiensis</subject><subject>Bacterial Proteins - genetics</subject><subject>Bacterial Proteins - metabolism</subject><subject>Biological and medical sciences</subject><subject>Biological Assay</subject><subject>Body Weight</subject><subject>Bt corn</subject><subject>Diet</subject><subject>Endotoxins - genetics</subject><subject>Endotoxins - metabolism</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Gene Expression Regulation, Plant</subject><subject>Genetics and breeding of economic plants</subject><subject>host plant resistance</subject><subject>Insect Control</subject><subject>Larva - physiology</subject><subject>Lepidoptera - physiology</subject><subject>Ostrinia furnacalis</subject><subject>Pest animals</subject><subject>Pest Control, Biological</subject><subject>Pest resistance</subject><subject>PLANT RESISTANCE</subject><subject>Plants, Genetically Modified</subject><subject>transgenic plants</subject><subject>Varietal selection. Specialized plant breeding, plant breeding aims</subject><subject>Zea mays - genetics</subject><subject>Zea mays - metabolism</subject><subject>Zea mays - parasitology</subject><issn>0022-0493</issn><issn>1938-291X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2003</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNpF0U1PGzEQgGELUZEQ-AM9VL5QtYcN_tgPuzcSpbRSpCKUSr2ZWXsWjDbrYG8q5d-zUQJcZi6P5vAOIZ85m_KSyWvGhMhYrmWmy6mcalmckDHXUmVC83-nZPwORuQ8pWfGeCk4OyMjLlQhSqnH5GHxH9ot9D50NDR0FaFLj9h5S2c9nYfY0SZEeo_Jpx46i7QPtH9CepM8dAcwCxEj_bbEjXdh02OEH_RuF6H1DvD7BfnUQJvw8rgn5O_PxWr-K1v-uf09v1lmtRRVn9WQ565AaKwsm8qpypZK10IXigFq55hoXMWFsA5RC94oXsvSKcYkOnAW5YR8PdzdxPCyxdSbtU8W2xY6DNtkKpkXVZWrAX45wm29Rmc20a8h7sxbkwFcHQEkC20zJLE-fbhcacY1Hxw7uNqH0OEHYGb_HrOvb_b1jS7NMGQhXwHESH-L</recordid><startdate>20030601</startdate><enddate>20030601</enddate><creator>He, Kanglai</creator><creator>Wang, Zhenying</creator><creator>Zhou, Darong</creator><creator>Wen, Liping</creator><creator>Song, Yanying</creator><creator>Yao, Zhuyun</creator><general>Entomological Society of America</general><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>7X8</scope></search><sort><creationdate>20030601</creationdate><title>Evaluation of Transgenic Bt Corn for Resistance to the Asian Corn Borer (Lepidoptera: Pyralidae)</title><author>He, Kanglai ; Wang, Zhenying ; Zhou, Darong ; Wen, Liping ; Song, Yanying ; Yao, Zhuyun</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-b327t-ba44d5eafc36f7d87c689b29580ae9dd02fd7122cdee921f81b36d8003edadce3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2003</creationdate><topic>Agronomy. Soil science and plant productions</topic><topic>Animals</topic><topic>Bacillus thuringiensis</topic><topic>Bacterial Proteins - genetics</topic><topic>Bacterial Proteins - metabolism</topic><topic>Biological and medical sciences</topic><topic>Biological Assay</topic><topic>Body Weight</topic><topic>Bt corn</topic><topic>Diet</topic><topic>Endotoxins - genetics</topic><topic>Endotoxins - metabolism</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Gene Expression Regulation, Plant</topic><topic>Genetics and breeding of economic plants</topic><topic>host plant resistance</topic><topic>Insect Control</topic><topic>Larva - physiology</topic><topic>Lepidoptera - physiology</topic><topic>Ostrinia furnacalis</topic><topic>Pest animals</topic><topic>Pest Control, Biological</topic><topic>Pest resistance</topic><topic>PLANT RESISTANCE</topic><topic>Plants, Genetically Modified</topic><topic>transgenic plants</topic><topic>Varietal selection. Specialized plant breeding, plant breeding aims</topic><topic>Zea mays - genetics</topic><topic>Zea mays - metabolism</topic><topic>Zea mays - parasitology</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>He, Kanglai</creatorcontrib><creatorcontrib>Wang, Zhenying</creatorcontrib><creatorcontrib>Zhou, Darong</creatorcontrib><creatorcontrib>Wen, Liping</creatorcontrib><creatorcontrib>Song, Yanying</creatorcontrib><creatorcontrib>Yao, Zhuyun</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>MEDLINE - Academic</collection><jtitle>Journal of economic entomology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>He, Kanglai</au><au>Wang, Zhenying</au><au>Zhou, Darong</au><au>Wen, Liping</au><au>Song, Yanying</au><au>Yao, Zhuyun</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Evaluation of Transgenic Bt Corn for Resistance to the Asian Corn Borer (Lepidoptera: Pyralidae)</atitle><jtitle>Journal of economic entomology</jtitle><addtitle>J Econ Entomol</addtitle><date>2003-06-01</date><risdate>2003</risdate><volume>96</volume><issue>3</issue><spage>935</spage><epage>940</epage><pages>935-940</pages><issn>0022-0493</issn><eissn>1938-291X</eissn><coden>JEENAI</coden><abstract>The Asian corn borer, Ostrinia furnacalis (Guenée), is the most important insect pest on corn in China. Bt transgenic corn provides a new tool for Asian corn borer control. Monsanto’s YieldGard Bt transgenic corn expressing Cry1Ab protein, and a non-Bt control, were evaluated in Beijing. Laboratory bioassays were carried out by exposing neonates to an agar-free diet containing Bt corn whorl leaves, tassels, and anthers, or by exposing neonates directly to fresh silk and pollen. These are the tissues initially attacked by neonates in the field. All of these tissues, with the exception of pollen, contained sufficient insecticidal protein to kill ≥95% of larvae within 7 d. Surviving larvae had also not grown beyond first instar and weighed ≤0.1 mg. Although larvae feeding on Bt corn pollen were significantly smaller than those on non-Bt corn pollen, there was no significant difference in mortality. Field trials were also conducted with artificial infestations of Asian corn borer at mid whorl, late whorl, and silking stages. Damage ratings and number of larvae surviving per plant indicated that Bt corn was highly resistant to Asian corn borer. Therefore, YieldGard offers the potential for season-long protection against first- and second-generation Asian corn borer.</abstract><cop>Lanham, MD</cop><pub>Entomological Society of America</pub><pmid>12852639</pmid><doi>10.1603/0022-0493-96.3.935</doi><tpages>6</tpages></addata></record> |
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| ispartof | Journal of economic entomology, 2003-06, Vol.96 (3), p.935-940 |
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| source | MEDLINE; BioOne Complete; Oxford University Press Journals All Titles (1996-Current) |
| subjects | Agronomy. Soil science and plant productions Animals Bacillus thuringiensis Bacterial Proteins - genetics Bacterial Proteins - metabolism Biological and medical sciences Biological Assay Body Weight Bt corn Diet Endotoxins - genetics Endotoxins - metabolism Fundamental and applied biological sciences. Psychology Gene Expression Regulation, Plant Genetics and breeding of economic plants host plant resistance Insect Control Larva - physiology Lepidoptera - physiology Ostrinia furnacalis Pest animals Pest Control, Biological Pest resistance PLANT RESISTANCE Plants, Genetically Modified transgenic plants Varietal selection. Specialized plant breeding, plant breeding aims Zea mays - genetics Zea mays - metabolism Zea mays - parasitology |
| title | Evaluation of Transgenic Bt Corn for Resistance to the Asian Corn Borer (Lepidoptera: Pyralidae) |
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