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OKIsItJustMe

(19,938 posts)
Mon Aug 19, 2013, 10:53 AM Aug 2013

Genetically modified crops pass benefits to weeds (Roundup Ready Weeds!)

http://www.nature.com/news/genetically-modified-crops-pass-benefits-to-weeds-1.13517
[font face=Serif][font size=5]Genetically modified crops pass benefits to weeds[/font]

[font size=4]Herbicide resistance could confer an advantage on plants in the wild.[/font]

Jane Qiu
16 August 2013

[font size=3]A genetic-modification technique used widely to make crops herbicide resistant has been shown to confer advantages on a wild form of rice, even in the absence of the herbicide. The finding suggests that the effects of such modification have the potential to extend beyond farms and into the wild.

Several types of crops have been genetically modified to be resistant to glyphosate, an herbicide first marketed under the trade name Roundup. This glyphosate resistance enables farmers to wipe out most weeds from the fields without damaging their crops.



Few studies have tested whether transgenes such as those that confer glyphosate resistance can — once they get into weedy or wild relatives through cross-pollination — make those plants more competitive in survival and reproduction. “The traditional expectation is that any sort of transgene will confer disadvantage in the wild in the absence of selection pressure, because the extra machinery would reduce the fitness,” says Norman Ellstrand, a plant geneticist at the University of California in Riverside.

But now a study led by Lu Baorong, an ecologist at Fudan University in Shanghai, challenges that view: it shows that a weedy form of the common rice crop, Oryza sativa, gets a significant fitness boost from glyphosate resistance, even when glyphosate is not applied.

…[/font][/font]


For an earlier story:
http://www.motherjones.com/tom-philpott/2011/07/monsanto-superweeds-roundup
6 replies = new reply since forum marked as read
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Genetically modified crops pass benefits to weeds (Roundup Ready Weeds!) (Original Post) OKIsItJustMe Aug 2013 OP
Next up--Burdock, kudzu, creeping charlie & poison ivy. Jackpine Radical Aug 2013 #1
kudzu will rule the world!!! nebenaube Aug 2013 #2
does this SERIOUSLY come as a surprise to anyone: niyad Aug 2013 #3
No shock at all to me. kestrel91316 Aug 2013 #4
Not to anyone who pays attention - hence the need for GM proponents to spew FUD smokescreens. Nihil Aug 2013 #6
Cool pscot Aug 2013 #5

Jackpine Radical

(45,274 posts)
1. Next up--Burdock, kudzu, creeping charlie & poison ivy.
Mon Aug 19, 2013, 10:58 AM
Aug 2013

Gee-wow. Maybe GM weeds will be able to resist the ravages of climate change too.

niyad

(113,232 posts)
3. does this SERIOUSLY come as a surprise to anyone:
Mon Aug 19, 2013, 11:03 AM
Aug 2013

The finding suggests that the effects of such modification have the potential to extend beyond farms and into the wild.

 

Nihil

(13,508 posts)
6. Not to anyone who pays attention - hence the need for GM proponents to spew FUD smokescreens.
Tue Aug 20, 2013, 08:05 AM
Aug 2013

Even most of the pro-GM boosters who accuse any opposition of being "Luddites" are only
too aware that the concerns are genuine.

It's a numbers game but unfortunately the equation is slanted away from the side of honesty:

Pro-GM minority + Pro-Profit_at_all_costs + Apathetic_ignorant_masses > Concerned_minority



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