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Greenpeace claims biotechnology created new insect

Colleen Scherer, Managing Editor, Ag Professional  |   January 11, 2012
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Greenpeace Germany made claims in a report that it believes that the western bean cutworm is a “new plant pest” that was “caused by genetically engineered corn.” Refuting the claim is an article from the Journal of Integrated Pest Management. Authors of the JIPM article say Greenpeace Germany’s results showed a “surprisingly simplistic conclusion” about the spread of the WBC over the past decade.

In "Genetically Engineered Bt Corn and Range Expansion of the Western Bean Cutworm (Lepidoptera: Noctuidae) in the United States: A Response to Greenpeace Germany," corresponding author William Hutchison, professor and chair of the University of Minnesota Department of Entomology, and his co-authors maintain that the Greenpeace report fails to consider broader ecological and agronomic factors which explain why the WBC's range has expanded. These additional factors include insect biology, synchrony of insect and corn phenology, reduced insecticide use, increases in conservation tillage, soil type, glyphosate-resistant crops, insect genetics, insect pathogens, pre-existing insect population densities, and climate change.

In addition, Greenpeace’s claim that WBC is a new pest is just wrong. According to the authors, “the WBC was documented throughout the western Great Plains from Mexico to Alberta where it was found in the mid 1950s.”

The WBC was originally collected in Arizona in the 1880s.

The authors explain some of the reasons for the spread of WBC include:


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Bob    
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Kansas  |  December, 28, 2012 at 11:59 AM

Lunacy is invading our means of making a living and we need to do something about it sooner rather then later. I was scouting for western bean cutworm in SW Kansas way before bt corn was available. That's quite a few miles from Arizona. Don't you think it might just have something to do with the advent of row crops in the south west? Do you think they are going to stay in one area when there are host plants further to the north and east? Those little moths can carry a long way on storm front. To say that new technology created this insect is an outright attack on American Ag and a fairy tale.

Suzanne    
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California  |  December, 28, 2012 at 03:16 PM

Where do they come up with this stuff? Sadly there are people who will believe this is true. Bob pretty much hit it right on!

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