U.S.
farmers are using more hazardous pesticides to fight weeds and insects
due largely to heavy adoption of genetically modified crop technologies
that are sparking a rise of "superweeds" and hard-to-kill insects,
according to a newly released study.
Genetically engineered crops have
led to an increase in overall pesticide use, by 404 million pounds from
the time they were introduced in 1996 through 2011, according to the
report by Charles Benbrook, a research professor at the Center for Sustaining Agriculture and Natural Resources
at Washington State University.
Of that total, herbicide use increased
over the 16-year period by 527 million pounds while insecticide use
decreased by 123 million pounds.
Herbicide-tolerant crops were the first
genetically modified crops introduced to world, rolled out by Monsanto
Co. in 1996, first in "Roundup Ready" soybeans and then in corn, cotton
and other crops. Roundup Ready crops are engineered through transgenic
modification to tolerate dousings of Monsanto's Roundup herbicide.
In
recent years, more than two dozen weed species have become
resistant to Roundup's chief ingredient glyphosate, causing farmers to
use increasing amounts both of glyphosate and other weedkilling
chemicals to try to control the so-called "superweeds. Resistant weeds
have become a major problem for many farmers reliant on GE crops, and
are now driving up the volume of herbicide needed each year by about 25
percent," Benbrook said.
Note: For deeply revealing reports from reliable major media sources on the environmental and health risks posed by GMO foods, click here.
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