Effect of Genetically Modified Bt Maize in an Artificial Diet on the Survival of Cydia pomonella (Lepidoptera: Tortricidae)
Genetically modified maize contains an insecticidal gene from the soil bacterium Bacillus thuringiensis (Bt), which is an important component in integrated pest management strategies against lepidopteran pests of maize. A project is being implemented in the Western Cape of South Africa against the c...
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| Veröffentlicht in: | The Florida entomologist 2016-06, Vol.99 (sp1), p.200-205 |
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| description | Genetically modified maize contains an insecticidal gene from the soil bacterium Bacillus thuringiensis (Bt), which is an important component in integrated pest management strategies against lepidopteran pests of maize. A project is being implemented in the Western Cape of South Africa against the codling moth, Cydia pomonella (L.) (Lepidoptera: Tortricidae), a pome fruit pest, using an area-wide integrated pest management approach with a sterile insect technique component. The project requires rearing of large numbers of the target pest for which an artificial diet that contains maize meal as the main ingredient is used. Most of the maize produced in South Africa is Bt maize, which is known to be toxic to codling moth. The aim of this study was to assess the impact of Bt maize in the diet of codling moth on its production parameters. Codling moths were reared for a period of 44 d on artificial diets that contained 5 different concentrations of Bt maize meal and a control using non-Bt maize. The use of Bt maize in the larval diet resulted in larval mortality, delayed larval development and larvae leaving the diet prematurely. Delayed larval development seemed to be the response with most negative consequences. Since optimal rearing of codling moth is not feasible using meal from genetically modified maize with insecticidal properties, another nutritious meal lacking an insecticidal component must be substituted in the artificial diet. |
| doi_str_mv | 10.1653/024.099.sp124 |
| format | Article |
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A project is being implemented in the Western Cape of South Africa against the codling moth, Cydia pomonella (L.) (Lepidoptera: Tortricidae), a pome fruit pest, using an area-wide integrated pest management approach with a sterile insect technique component. The project requires rearing of large numbers of the target pest for which an artificial diet that contains maize meal as the main ingredient is used. Most of the maize produced in South Africa is Bt maize, which is known to be toxic to codling moth. The aim of this study was to assess the impact of Bt maize in the diet of codling moth on its production parameters. Codling moths were reared for a period of 44 d on artificial diets that contained 5 different concentrations of Bt maize meal and a control using non-Bt maize. The use of Bt maize in the larval diet resulted in larval mortality, delayed larval development and larvae leaving the diet prematurely. Delayed larval development seemed to be the response with most negative consequences. Since optimal rearing of codling moth is not feasible using meal from genetically modified maize with insecticidal properties, another nutritious meal lacking an insecticidal component must be substituted in the artificial diet.</description><identifier>ISSN: 0015-4040</identifier><identifier>EISSN: 1938-5102</identifier><identifier>DOI: 10.1653/024.099.sp124</identifier><identifier>CODEN: FETMAC</identifier><language>eng</language><publisher>Lutz: Florida Entomological Society</publisher><subject>Apples ; artificial diet ; Bacillus thuringiensis ; Butterflies & moths ; Codling-moth ; Cultivars ; Cydia pomonella ; desarrollo larval ; Diet ; dieta artificial ; Experiments ; Food and nutrition ; Food contamination & poisoning ; Gene expression ; Health aspects ; Hybrid corn ; Ingredients ; Insects ; Larval development ; larval mortality ; Lepidoptera ; Methods ; mortalidad larval ; Mortality ; QUALITY CONTROL ASPECTS IN RELATION TO REARING OF MOTHS ; Tortricidae ; Zea mays</subject><ispartof>The Florida entomologist, 2016-06, Vol.99 (sp1), p.200-205</ispartof><rights>International Atomic Energy Agency 2016. Published by the Florida Entomological Society. All rights reserved.</rights><rights>COPYRIGHT 2016 Florida Entomological Society</rights><rights>Copyright Florida Entomological Society Jun 2016</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-b407t-4f8b2e9e324bc46f909a95e7fad3df1aee62970431fdba7a9693d4e1067cc6e03</citedby><cites>FETCH-LOGICAL-b407t-4f8b2e9e324bc46f909a95e7fad3df1aee62970431fdba7a9693d4e1067cc6e03</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://bioone.org/doi/pdf/10.1653/024.099.sp124$$EPDF$$P50$$Gbioone$$H</linktopdf><link.rule.ids>109,314,780,784,864,27924,27925,52719</link.rule.ids></links><search><creatorcontrib>Stenekamp, Daleen</creatorcontrib><creatorcontrib>Pringle, Ken</creatorcontrib><creatorcontrib>Addison, Matthew</creatorcontrib><title>Effect of Genetically Modified Bt Maize in an Artificial Diet on the Survival of Cydia pomonella (Lepidoptera: Tortricidae)</title><title>The Florida entomologist</title><description>Genetically modified maize contains an insecticidal gene from the soil bacterium Bacillus thuringiensis (Bt), which is an important component in integrated pest management strategies against lepidopteran pests of maize. A project is being implemented in the Western Cape of South Africa against the codling moth, Cydia pomonella (L.) (Lepidoptera: Tortricidae), a pome fruit pest, using an area-wide integrated pest management approach with a sterile insect technique component. The project requires rearing of large numbers of the target pest for which an artificial diet that contains maize meal as the main ingredient is used. Most of the maize produced in South Africa is Bt maize, which is known to be toxic to codling moth. The aim of this study was to assess the impact of Bt maize in the diet of codling moth on its production parameters. Codling moths were reared for a period of 44 d on artificial diets that contained 5 different concentrations of Bt maize meal and a control using non-Bt maize. The use of Bt maize in the larval diet resulted in larval mortality, delayed larval development and larvae leaving the diet prematurely. Delayed larval development seemed to be the response with most negative consequences. Since optimal rearing of codling moth is not feasible using meal from genetically modified maize with insecticidal properties, another nutritious meal lacking an insecticidal component must be substituted in the artificial diet.</description><subject>Apples</subject><subject>artificial diet</subject><subject>Bacillus thuringiensis</subject><subject>Butterflies & moths</subject><subject>Codling-moth</subject><subject>Cultivars</subject><subject>Cydia pomonella</subject><subject>desarrollo larval</subject><subject>Diet</subject><subject>dieta artificial</subject><subject>Experiments</subject><subject>Food and nutrition</subject><subject>Food contamination & poisoning</subject><subject>Gene expression</subject><subject>Health aspects</subject><subject>Hybrid corn</subject><subject>Ingredients</subject><subject>Insects</subject><subject>Larval development</subject><subject>larval mortality</subject><subject>Lepidoptera</subject><subject>Methods</subject><subject>mortalidad larval</subject><subject>Mortality</subject><subject>QUALITY CONTROL ASPECTS IN RELATION TO REARING OF MOTHS</subject><subject>Tortricidae</subject><subject>Zea 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Tortricidae)</atitle><jtitle>The Florida entomologist</jtitle><date>2016-06</date><risdate>2016</risdate><volume>99</volume><issue>sp1</issue><spage>200</spage><epage>205</epage><pages>200-205</pages><issn>0015-4040</issn><eissn>1938-5102</eissn><coden>FETMAC</coden><abstract>Genetically modified maize contains an insecticidal gene from the soil bacterium Bacillus thuringiensis (Bt), which is an important component in integrated pest management strategies against lepidopteran pests of maize. A project is being implemented in the Western Cape of South Africa against the codling moth, Cydia pomonella (L.) (Lepidoptera: Tortricidae), a pome fruit pest, using an area-wide integrated pest management approach with a sterile insect technique component. The project requires rearing of large numbers of the target pest for which an artificial diet that contains maize meal as the main ingredient is used. Most of the maize produced in South Africa is Bt maize, which is known to be toxic to codling moth. The aim of this study was to assess the impact of Bt maize in the diet of codling moth on its production parameters. Codling moths were reared for a period of 44 d on artificial diets that contained 5 different concentrations of Bt maize meal and a control using non-Bt maize. The use of Bt maize in the larval diet resulted in larval mortality, delayed larval development and larvae leaving the diet prematurely. Delayed larval development seemed to be the response with most negative consequences. Since optimal rearing of codling moth is not feasible using meal from genetically modified maize with insecticidal properties, another nutritious meal lacking an insecticidal component must be substituted in the artificial diet.</abstract><cop>Lutz</cop><pub>Florida Entomological Society</pub><doi>10.1653/024.099.sp124</doi><tpages>6</tpages><oa>free_for_read</oa></addata></record> |
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| ispartof | The Florida entomologist, 2016-06, Vol.99 (sp1), p.200-205 |
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| source | BioOne Open Access Titles; Jstor Journals Open Access; DOAJ Directory of Open Access Journals; EZB-FREE-00999 freely available EZB journals |
| subjects | Apples artificial diet Bacillus thuringiensis Butterflies & moths Codling-moth Cultivars Cydia pomonella desarrollo larval Diet dieta artificial Experiments Food and nutrition Food contamination & poisoning Gene expression Health aspects Hybrid corn Ingredients Insects Larval development larval mortality Lepidoptera Methods mortalidad larval Mortality QUALITY CONTROL ASPECTS IN RELATION TO REARING OF MOTHS Tortricidae Zea mays |
| title | Effect of Genetically Modified Bt Maize in an Artificial Diet on the Survival of Cydia pomonella (Lepidoptera: Tortricidae) |
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