Diversity and abundance of flower-visiting insects in Bt and non-Bt cotton fields of Maputaland (KwaZulu Natal Province, South Africa)
We studied the abundance and diversity of flower-visiting insects on Bt and non-Bt cotton plants in the Makhathini Flats region of South Africa during the 2003/2004 and 2004/2005 crop seasons to detect any impact of the Bt toxin (Cry1Ac). Bt cotton cultivars produced more flowers than non-Bt cultiva...
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| Veröffentlicht in: | International journal of tropical insect science 2008-12, Vol.28 (4), p.211-219 |
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| creator | Hofs, J.-L. Schoeman, A.S. Pierre, J. |
| description | We studied the abundance and diversity of flower-visiting insects on Bt and non-Bt cotton plants in the Makhathini Flats region of South Africa during the 2003/2004 and 2004/2005 crop seasons to detect any impact of the Bt toxin (Cry1Ac). Bt cotton cultivars produced more flowers than non-Bt cultivars regardless of the cropping conditions (farmers' fields or research station), probably due to the fact that Bt cotton is not susceptible to flower bud pests. The results obtained in both crop seasons highlighted the prevalence of honeybees (Apis mellifera L.), various Nitidulidae and a unique Meloidae species (Mylabris oculata Thunberg) as flower visiting insects in this area. No impact of the Bt phenotype on insect abundance and diversity could be drawn on the basis of our comparative results on Bt and non-Bt cotton plants, and no direct effect of these transgenic plants was actually noted. The potential role of some of the inventoried insects, especially M. oculata, in the dispersal of transgenic pollen is discussed. |
| doi_str_mv | 10.1017/S1742758408201682 |
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Bt cotton cultivars produced more flowers than non-Bt cultivars regardless of the cropping conditions (farmers' fields or research station), probably due to the fact that Bt cotton is not susceptible to flower bud pests. The results obtained in both crop seasons highlighted the prevalence of honeybees (Apis mellifera L.), various Nitidulidae and a unique Meloidae species (Mylabris oculata Thunberg) as flower visiting insects in this area. No impact of the Bt phenotype on insect abundance and diversity could be drawn on the basis of our comparative results on Bt and non-Bt cotton plants, and no direct effect of these transgenic plants was actually noted. 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J. Trop. Insect Sci</addtitle><description>We studied the abundance and diversity of flower-visiting insects on Bt and non-Bt cotton plants in the Makhathini Flats region of South Africa during the 2003/2004 and 2004/2005 crop seasons to detect any impact of the Bt toxin (Cry1Ac). Bt cotton cultivars produced more flowers than non-Bt cultivars regardless of the cropping conditions (farmers' fields or research station), probably due to the fact that Bt cotton is not susceptible to flower bud pests. The results obtained in both crop seasons highlighted the prevalence of honeybees (Apis mellifera L.), various Nitidulidae and a unique Meloidae species (Mylabris oculata Thunberg) as flower visiting insects in this area. No impact of the Bt phenotype on insect abundance and diversity could be drawn on the basis of our comparative results on Bt and non-Bt cotton plants, and no direct effect of these transgenic plants was actually noted. The potential role of some of the inventoried insects, especially M. oculata, in the dispersal of transgenic pollen is discussed.</description><subject>Apis mellifera</subject><subject>Biomedical and Life Sciences</subject><subject>Bt cotton</subject><subject>Cotton</subject><subject>Cultivars</subject><subject>Entomology</subject><subject>Flowers</subject><subject>insect biodiversity</subject><subject>Insects</subject><subject>Life Sciences</subject><subject>Meloidae</subject><subject>Mylabris oculata</subject><subject>Nitidulidae</subject><subject>Phenotypes</subject><subject>Pollen</subject><subject>pollination</subject><subject>South Africa</subject><subject>Toxins</subject><subject>Transgenic plants</subject><issn>1742-7584</issn><issn>1742-7592</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2008</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNqNkdtu1DAQhiMEEqXwANxZXCAqEfApsXO5FGgRWw4qCGlvrElib12y9mI7W_oCPDcOqRYJJMTVjMbfP_-MpygeEvyMYCKenxPBqagkx5JiUkt6qziYSqWoGnp7n0t-t7gX4yXGjDBJDoofL-1Oh2jTNQLXI2hH14PrNPIGmcFf6VDubH62bo2si7pLMUf0Iv3CnXdlTjufknfIWD30cVKewXZMMEzIk7dXsBqHEb2DXEEfgt_Z3P8pOvdjukALE2wHR_eLOwaGqB_cxMPi8-tXn45Py-X7kzfHi2XZMSFo2WLeEI472rayqgwH2hENgAmRXFDcCNJI07O8pyCasIaatoJWNIK2ldZA2WFxNPe9gEFtg91AuFYerDpdLNVUw7Suas7wjmT28cxug_826pjUxsZOD3kt7ceoKOaYZcsMPvoDvPRjcHkPlU9CKlbLCSIz1AUfY9Bmb0-wmk6o_jph1tBZEzPr1jr8bvwvUTmLbEz6-94FwldVi_w1qj75qOoz9gXj1UpNPLsZDDZtsP1a_4_LT4Q_ueY</recordid><startdate>200812</startdate><enddate>200812</enddate><creator>Hofs, J.-L.</creator><creator>Schoeman, A.S.</creator><creator>Pierre, J.</creator><general>Cambridge University Press</general><general>Springer International Publishing</general><general>Springer Nature B.V</general><general>Cambridge University Press (CUP)</general><scope>BSCLL</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7QL</scope><scope>7QR</scope><scope>7SS</scope><scope>7T7</scope><scope>7U9</scope><scope>7X2</scope><scope>88A</scope><scope>8FD</scope><scope>8FE</scope><scope>8FH</scope><scope>8FK</scope><scope>ABUWG</scope><scope>AEUYN</scope><scope>AFKRA</scope><scope>ATCPS</scope><scope>AZQEC</scope><scope>BBNVY</scope><scope>BENPR</scope><scope>BHPHI</scope><scope>BKSAR</scope><scope>C1K</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>FR3</scope><scope>GNUQQ</scope><scope>H94</scope><scope>HCIFZ</scope><scope>LK8</scope><scope>M0K</scope><scope>M7N</scope><scope>M7P</scope><scope>P64</scope><scope>PCBAR</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>1XC</scope></search><sort><creationdate>200812</creationdate><title>Diversity and abundance of flower-visiting insects in Bt and non-Bt cotton fields of Maputaland (KwaZulu Natal Province, South Africa)</title><author>Hofs, J.-L. ; Schoeman, A.S. ; Pierre, J.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3772-b049140c2bb855f4a2c1eaa0118472097198fd375871e1392fb5ab7972b5eea23</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2008</creationdate><topic>Apis mellifera</topic><topic>Biomedical and Life Sciences</topic><topic>Bt cotton</topic><topic>Cotton</topic><topic>Cultivars</topic><topic>Entomology</topic><topic>Flowers</topic><topic>insect biodiversity</topic><topic>Insects</topic><topic>Life Sciences</topic><topic>Meloidae</topic><topic>Mylabris oculata</topic><topic>Nitidulidae</topic><topic>Phenotypes</topic><topic>Pollen</topic><topic>pollination</topic><topic>South Africa</topic><topic>Toxins</topic><topic>Transgenic plants</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Hofs, J.-L.</creatorcontrib><creatorcontrib>Schoeman, A.S.</creatorcontrib><creatorcontrib>Pierre, J.</creatorcontrib><collection>Istex</collection><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Bacteriology Abstracts (Microbiology B)</collection><collection>Chemoreception Abstracts</collection><collection>Entomology Abstracts (Full archive)</collection><collection>Industrial and Applied Microbiology Abstracts (Microbiology A)</collection><collection>Virology and AIDS Abstracts</collection><collection>Agricultural Science Collection</collection><collection>Biology Database (Alumni Edition)</collection><collection>Technology Research Database</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Natural Science Collection</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest One Sustainability</collection><collection>ProQuest Central UK/Ireland</collection><collection>Agricultural & Environmental Science Collection</collection><collection>ProQuest Central Essentials</collection><collection>Biological Science Collection</collection><collection>ProQuest Central</collection><collection>Natural Science Collection</collection><collection>Earth, Atmospheric & Aquatic Science Collection</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>Engineering Research Database</collection><collection>ProQuest Central Student</collection><collection>AIDS and Cancer Research Abstracts</collection><collection>SciTech Premium Collection</collection><collection>ProQuest Biological Science Collection</collection><collection>Agricultural Science Database</collection><collection>Algology Mycology and Protozoology Abstracts (Microbiology C)</collection><collection>Biological Science Database</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Earth, Atmospheric & Aquatic Science Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>Hyper Article en Ligne (HAL)</collection><jtitle>International journal of tropical insect science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Hofs, J.-L.</au><au>Schoeman, A.S.</au><au>Pierre, J.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Diversity and abundance of flower-visiting insects in Bt and non-Bt cotton fields of Maputaland (KwaZulu Natal Province, South Africa)</atitle><jtitle>International journal of tropical insect science</jtitle><stitle>Int J Trop Insect Sci</stitle><addtitle>Int. J. Trop. Insect Sci</addtitle><date>2008-12</date><risdate>2008</risdate><volume>28</volume><issue>4</issue><spage>211</spage><epage>219</epage><pages>211-219</pages><issn>1742-7584</issn><eissn>1742-7592</eissn><abstract>We studied the abundance and diversity of flower-visiting insects on Bt and non-Bt cotton plants in the Makhathini Flats region of South Africa during the 2003/2004 and 2004/2005 crop seasons to detect any impact of the Bt toxin (Cry1Ac). Bt cotton cultivars produced more flowers than non-Bt cultivars regardless of the cropping conditions (farmers' fields or research station), probably due to the fact that Bt cotton is not susceptible to flower bud pests. The results obtained in both crop seasons highlighted the prevalence of honeybees (Apis mellifera L.), various Nitidulidae and a unique Meloidae species (Mylabris oculata Thunberg) as flower visiting insects in this area. No impact of the Bt phenotype on insect abundance and diversity could be drawn on the basis of our comparative results on Bt and non-Bt cotton plants, and no direct effect of these transgenic plants was actually noted. The potential role of some of the inventoried insects, especially M. oculata, in the dispersal of transgenic pollen is discussed.</abstract><cop>Cambridge, UK</cop><pub>Cambridge University Press</pub><doi>10.1017/S1742758408201682</doi><tpages>9</tpages></addata></record> |
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| ispartof | International journal of tropical insect science, 2008-12, Vol.28 (4), p.211-219 |
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| subjects | Apis mellifera Biomedical and Life Sciences Bt cotton Cotton Cultivars Entomology Flowers insect biodiversity Insects Life Sciences Meloidae Mylabris oculata Nitidulidae Phenotypes Pollen pollination South Africa Toxins Transgenic plants |
| title | Diversity and abundance of flower-visiting insects in Bt and non-Bt cotton fields of Maputaland (KwaZulu Natal Province, South Africa) |
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