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Posted On: Thursday, 9/26/2013 4:33 am
A: Thank you for your question. First, the insecticidal protein the crop produces is very specific to particular insect orders. For example, the Bt protein Cry1Ab affects only specific caterpillar (the order Lepidoptera) pests, while the Bt protein Cry3Bb1 affects only specific beetle (the order Coleoptera) pests. This specificity is one of the reasons Bt is such a popular insecticide in both GM crops and non-GM crops, including organic agriculture. Thus, the Bt proteins currently being used in... Continue Reading
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Posted On: Monday, 3/03/2014 12:24 pm
A: Thank you for each of these questions. This response from Mary Mertz, who farms GM crops, discusses your first question: “In my opinion, the biggest problem with the seeds is the amount of misinformation that is being circulated out there. GMOs have a public-image problem. The science-based reality proving GMOs to be safe and nutritious takes a backseat to the emotional propaganda meant to create skepticism in the mind of the consumer. “The National Academy of Sciences, the... Continue Reading
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Posted On: Monday, 8/26/2013 10:21 am
A: Genetically modified (GM) plants and their impact on honey bees have been widely studied, and the results indicate that GM plants are not harmful to bees. A review by Malone and Pham-Delègue (2001) looked at seven studies. Their conclusion was that “Bt transgene products are very likely to be safe for honey bees and bumblebees.” One large study, by Duan et al. (2008), looked at 25 different studies and concluded that “the Bt Cry proteins used in genetically modified crops for... Continue Reading
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Posted On: Saturday, 3/22/2014 11:59 am
A: Please refer to this response.
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Posted On: Tuesday, 10/01/2013 10:54 am
A: This question includes an interesting observation and is one that every country that grows GM crops asks. Regulating agencies are very interested in making sure GM crops are compositionally the same as non-GM and that the gene does not negatively affect the plant. As you point out, honey production is an important aspect of canola production, and thus companies make sure that the plants used to develop GM varieties will still produce nectar. Canada is the second-largest grower of canola (the... Continue Reading