Become a fan of Slashdot on Facebook

 



Forgot your password?
typodupeerror
×
Biotech

GM Rice Passes Unexpected Benefits To Weeds 208

ananyo writes "A genetic-modification technique used widely to make crops herbicide resistant has been shown to confer advantages on a weedy form of rice, even in the absence of the herbicide. Used in Monsanto's 'Roundup Ready' crops, for example, resistance to the herbicide glyphosate enables farmers to wipe out most weeds from the fields without damaging their crops. A common assumption has been that if such herbicide resistance genes manage to make it into weedy or wild relatives, they would be disadvantageous and plants containing them would die out. But the new 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. The transgenic hybrids had higher rates of photosynthesis, grew more shoots and flowers and produced 48 — 125% more seeds per plant than non-transgenic hybrids — in the absence of glyphosate, the weedkiller they were resistant to."
This discussion has been archived. No new comments can be posted.

GM Rice Passes Unexpected Benefits To Weeds

Comments Filter:
  • by drakonandor ( 937885 ) on Monday August 19, 2013 @06:56PM (#44612481)
    Might be wrong, but bacillus thuringiensis is primarily used because of it's effectiveness as a -pesticide-. Glyphosate, as discussed here, is primarily used as a -herbicide-.
  • Re:so (Score:5, Insightful)

    by Baloroth ( 2370816 ) on Monday August 19, 2013 @07:09PM (#44612573)

    Who is Monsanto going to sue over this??

    Why would you assume Monsanto doesn't like this news? If the resistance in weeds won't naturally die out over time, that means glyphosate will become less effective over time even if it stops being used. Since Monsanto's patents don't last forever (yet), that means they can develop and patent a new genetic modification and herbicide (and the "process" of using one with the other, because that is apparently inventive all in itself) that will be required once glyphosate loses its effectiveness. If glyphosate didn't lose it's effectiveness, people would just keep using that after Monsanto lost their monopoly.

    In fact, I wouldn't be terribly surprised, given Monsanto's history, to find out they already knew about this "problem." Maybe even planned it that way.

  • Re:GM Goodness? (Score:5, Insightful)

    by sjames ( 1099 ) on Monday August 19, 2013 @07:30PM (#44612729) Homepage Journal

    I fail to see the horror in this.

    If you were a farmer faced with a big bill for herbicides and a field full of vigorous weeds that it won't kill after all, you might see the horror.

  • Profit! (Score:5, Insightful)

    by the eric conspiracy ( 20178 ) on Monday August 19, 2013 @07:37PM (#44612821)

    1. Read an interesting article on GMO rice.
    2. Totally botch the summary.
    3. Even further botch the headline.
    4. Submit to Slashdot.
    5. ????
    6. Your work is on the front page of Slashdot!!

  • by minstrelmike ( 1602771 ) on Monday August 19, 2013 @07:49PM (#44612925)

    Wait.. someone intentionally created GM weeds?!?

    Yes. We do this with every chemical used on 'weeds.' It's called evolution.
    It is similar to the way we are currently creating antibiotic-resistant bacteria.
    What goes around comes around.

  • Re:Wait...what? (Score:3, Insightful)

    by radarskiy ( 2874255 ) on Monday August 19, 2013 @09:03PM (#44613519)

    To be specific, putting responsibility for GMOs in the hands of people *who do not understand natural selection* is a fairly bad idea.

  • Re:GM Goodness? (Score:5, Insightful)

    by dryeo ( 100693 ) on Monday August 19, 2013 @10:20PM (#44614035)

    Canola: also not a weed and Roundup Ready canola is a Monsanto product. Monsanto isn't suing people over them having Roundup-resistant weeds. That's not in Monsanto's best interest because they'd have to argue, in court, that genes from their GMO crops are jumping species--what a weapon to give the anti-GMOers.

    A weed is just a plant out of place, any plant can be a weed. If you aren't growing Canola and your field is full of glyphosate resistant Canola,you're not going to be happy.

  • Re:GM Goodness? (Score:5, Insightful)

    by Ol Olsoc ( 1175323 ) on Monday August 19, 2013 @11:17PM (#44614357)

    Genetically modifying plants and then letting them "run wild" in nature. What could possible go wrong. Wasn't this a horror movie or an Itchy & Scratchy episode?

    Genetic modifcation doesn't bother me as long as it is used properly. Higher yield, disease resistance, better taste even. Not unlike what we have done for thousands of years, just more quickly.

    But to do GM in order to make a plant more resistant to a herbicide is asshattery of the stinkiest sort. Putting Roundup ready crops in the field is a first class method of generating weeds that are also Roundup ready. So ten years from now, we'll be making GMO crops resistant to more and more powerful herbicides, and breeding better superweeds. Eventually, we could be spraying Vietnam era herbicides and defoliants.

    Oh yeah, and we'll be eating some of it.

"Engineering without management is art." -- Jeff Johnson

Working...