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A theatrical protest in Mexico City against genetically modified corn. Scores of people took to the streets of the capital Saturday, including this man, dressed as an arch-capitalist. They are denouncing a government decision to allow multi-national companies to grow genetically altered corn. Protestors say the decision would drive the country's small corn producers into bankruptcy and imperil Mexico's native varieties of corn. (Photo: Reuters).
Genetically-engineered crops have created more herbicide-resistant weeds--or "superweeds"-- and increased, rather than decreased, the use of pesticides and herbicides such as Roundup, according to a new study published in Environmental Sciences Europe.
Genetically-engineered crops have created more herbicide-resistant weeds--or "superweeds"-- and increased, rather than decreased, the use of pesticides and herbicides such as Roundup, according to a new study published in Environmental Sciences Europe.
While the genetically-engineered crops, such as corn, soybeans and cotton, have been commercially successful, the use of technology led to a 527 million pound increase in the use of herbicide in the United States between 1996 and 2011, according to the study.
"Impacts of genetically engineered crops on pesticide use in the U.S.--the first sixteen years," and overall pesticide use increased by an estimated 404 million pounds, or about 7 percent, study author Charles M. Benbrook said.
Glyphosate, marketed as Roundup, is one of several broad-spectrum herbicides used to kill weeds, according to the online journal Phys.org. Approximately 95 percent of soybean and cotton acres, and over 85 percent of corn, are genetically modified to be herbicide resistant, according to Phys.org.
The study concluded that over-reliance on herbicides and the emergence of "supersedes" caused farmers to increase their use of herbicides and add new forms of them.
Weeds with natural resistance then spread quickly when farmers relied too heavily on a single weedkiller, the BBC reported.
"There are now two-dozen weeds resistant to glyphosate ... and many of these are spreading rapidly," an analysis of the study by Washington State University said. "Millions of acres are infested with more than one glyphosate-resistant weed. The presence of resistant weeds drives up herbicide use by 25% to 50%, and increases farmer-weed control costs by at least as much."
One solution to resistance could be a new type of genetically modified crop that uses a weedkiller once used in the defoliant Agent Orange, which was used during the Vietnam War, according to the BBC.
Political revenge. Mass deportations. Project 2025. Unfathomable corruption. Attacks on Social Security, Medicare, and Medicaid. Pardons for insurrectionists. An all-out assault on democracy. Republicans in Congress are scrambling to give Trump broad new powers to strip the tax-exempt status of any nonprofit he doesn’t like by declaring it a “terrorist-supporting organization.” Trump has already begun filing lawsuits against news outlets that criticize him. At Common Dreams, we won’t back down, but we must get ready for whatever Trump and his thugs throw at us. As a people-powered nonprofit news outlet, we cover issues the corporate media never will, but we can only continue with our readers’ support. By donating today, please help us fight the dangers of a second Trump presidency. |
Genetically-engineered crops have created more herbicide-resistant weeds--or "superweeds"-- and increased, rather than decreased, the use of pesticides and herbicides such as Roundup, according to a new study published in Environmental Sciences Europe.
While the genetically-engineered crops, such as corn, soybeans and cotton, have been commercially successful, the use of technology led to a 527 million pound increase in the use of herbicide in the United States between 1996 and 2011, according to the study.
"Impacts of genetically engineered crops on pesticide use in the U.S.--the first sixteen years," and overall pesticide use increased by an estimated 404 million pounds, or about 7 percent, study author Charles M. Benbrook said.
Glyphosate, marketed as Roundup, is one of several broad-spectrum herbicides used to kill weeds, according to the online journal Phys.org. Approximately 95 percent of soybean and cotton acres, and over 85 percent of corn, are genetically modified to be herbicide resistant, according to Phys.org.
The study concluded that over-reliance on herbicides and the emergence of "supersedes" caused farmers to increase their use of herbicides and add new forms of them.
Weeds with natural resistance then spread quickly when farmers relied too heavily on a single weedkiller, the BBC reported.
"There are now two-dozen weeds resistant to glyphosate ... and many of these are spreading rapidly," an analysis of the study by Washington State University said. "Millions of acres are infested with more than one glyphosate-resistant weed. The presence of resistant weeds drives up herbicide use by 25% to 50%, and increases farmer-weed control costs by at least as much."
One solution to resistance could be a new type of genetically modified crop that uses a weedkiller once used in the defoliant Agent Orange, which was used during the Vietnam War, according to the BBC.
Genetically-engineered crops have created more herbicide-resistant weeds--or "superweeds"-- and increased, rather than decreased, the use of pesticides and herbicides such as Roundup, according to a new study published in Environmental Sciences Europe.
While the genetically-engineered crops, such as corn, soybeans and cotton, have been commercially successful, the use of technology led to a 527 million pound increase in the use of herbicide in the United States between 1996 and 2011, according to the study.
"Impacts of genetically engineered crops on pesticide use in the U.S.--the first sixteen years," and overall pesticide use increased by an estimated 404 million pounds, or about 7 percent, study author Charles M. Benbrook said.
Glyphosate, marketed as Roundup, is one of several broad-spectrum herbicides used to kill weeds, according to the online journal Phys.org. Approximately 95 percent of soybean and cotton acres, and over 85 percent of corn, are genetically modified to be herbicide resistant, according to Phys.org.
The study concluded that over-reliance on herbicides and the emergence of "supersedes" caused farmers to increase their use of herbicides and add new forms of them.
Weeds with natural resistance then spread quickly when farmers relied too heavily on a single weedkiller, the BBC reported.
"There are now two-dozen weeds resistant to glyphosate ... and many of these are spreading rapidly," an analysis of the study by Washington State University said. "Millions of acres are infested with more than one glyphosate-resistant weed. The presence of resistant weeds drives up herbicide use by 25% to 50%, and increases farmer-weed control costs by at least as much."
One solution to resistance could be a new type of genetically modified crop that uses a weedkiller once used in the defoliant Agent Orange, which was used during the Vietnam War, according to the BBC.