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Q: Ive seen a lot of info about the use of chemicals as it relates to GMOs. And both sides of the issue have graphs and charts showing general trends. But the total usage of chemicals may change with things like changes in tillage. i.e. if a lot of...
Posted On: Tuesday, 1/14/2014 8:56 pm
Answered By: Graham Brookes, Agricultural Economist, PG Economics Ltd, UK on Wednesday, 2/26/2014 3:50 pm
A: This is a complex subject, and providing an answer therefore requires discussion of a number of factors, such as the nature of the GM technology, what it is replacing, what might be reasonably used as an alternative nowadays after many years of using GM technology and, lastly, the environmental impact associated with the pesticide-use changes. Firstly, there is the context and type of GM crop technology being used. This currently falls into two main types: insect-resistant crops,... Continue Reading
Q: How can you presume gmo's to be safe when it was only recently discovered that 4 stranded dna exists in some limited circumstances. Also, you do not even have the computing power needed to accurately predict the consequences of the organisms...
Posted On: Tuesday, 7/30/2013 6:28 pm
Answered By: Martina Newell-McGloughlin, Director, International Biotechnology Program, University of California, Davis on Tuesday, 9/10/2013 5:16 pm
A: Humans have been selectively modifying plants and animals for many millennia. For much of this time, they had little or no knowledge of what they were doing at the gene or molecular level. Over the last century, and before the introduction of modern recombinant DNA technology, several breeding methods were developed that resulted in gross changes at the molecular level, but, again, these were not characterized or often well understood. In the case of plants, these tools include modifying... Continue Reading
Q: Why are genetically modified crops increasing the use of herbicides and pesticides? I thought the claim was that they would decrease use?
Posted On: Wednesday, 7/31/2013 9:18 pm
Answered By: Graham Brookes, Agricultural Economist, PG Economics Ltd, UK on Thursday, 8/22/2013 12:11 pm
A: This is a complex subject, and therefore, providing an answer requires discussion of a number of factors, such as the nature of the GM technology, what it is replacing, what might be reasonably used as an alternative nowadays, after many years of using GM technology, and lastly, the environmental impact associated with the pesticide-use changes. Firstly, there is the context and type of GM crop technology being used. This currently falls into two main types: insect-resistant... Continue Reading
Q: How can an organism that has been genetically modified to produce "Round Up" Be considered safe to eat when all there is a variety of anecdotal evidence readily availible that states Glyphosate is harmfulhttp://action....
Posted On: Tuesday, 7/30/2013 9:31 pm
Answered By: Steve Savage, Consultant, Savage & Associates on Monday, 8/12/2013 3:21 pm
A: First of all, no organisms have ever been modified to produce Roundup (glyphosate). Several crops have been modified with a minimally altered version of one of their existing enzymes (EPSPS) which makes them tolerant to that herbicide, but they don't make it. Second, regulatory agencies around the world don't base their decisions on “anecdotal evidence,” no matter how much is available. They stick to solid science. The consensus among regulators is quite clear that glyphosate has no real... Continue Reading