News tagged with weedy relatives
If only the weeds would keep their genes to themselves
Family can be a blessing and a curse, and never more so than in the case of crop plants and their wild relatives. These wild and weedy relatives harbor unique and beneficial genes that may no longer be found in their cultivated ...
Oct 06, 2009 |
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Search results for weedy relatives
USDA links gene flow between weedy and domesticated rice to rising carbon dioxide levels
(Phys.org) -- New research at the U.S. Department of Agriculture (USDA) confirms that rising levels of atmospheric carbon dioxide facilitate the flow of genes from wild or weedy rice plants to domesticated ...
May 24, 2012 |
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The constant gardeners of the world's reefs
(PhysOrg.com) -- Australian scientists have urged greater consideration for the brilliantly-hued parrot fishes that tend and renew the world’s imperilled coral reefs.
Dec 13, 2011 |
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Fish bones used to decontaminate soil in a lead-poisoned neighborhood
There's something fishy going on in West Oakland.
Aug 15, 2011 |
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Climate change allows invasive weed to outcompete local species
Yellow starthistle already causes millions of dollars in damage to pastures in western states each year, and as climate changes, land managers can expect the problem with that weed and others to escalate.
May 31, 2011 |
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If GMO genes escape, how will the hybrids do?
GMOs, or Genetically Modified Organisms, may raise concerns of genes escaping from crops and having unknown effects on natural, wild species. But what is the real risk that traits associated with GMOs will actually migrate ...
Nov 01, 2010 |
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Growing Roundup-resistant weed problem must be dealt with, expert says
(PhysOrg.com) -- When Penn State weed scientist David Mortensen told members of the U.S. House Oversight Committee this summer that the government should restrict the use of herbicide-tolerant crops and impose ...
Sep 14, 2010 |
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Study cites abundance of genetically modified canola crops
Genetic engineering has been hailed as a tool to produce crops that are left unharmed by weed-killing pesticides and that are more productive than their forebears. But critics have worried that modified plants might take ...
Aug 14, 2010 |
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Weeds that reinvented weediness
Flowering plants are all around us and are phenomenally successful—but how did they get to be so successful and where did they come from? This question bothered Darwin and others and a paper published in the September issue ...
Sep 03, 2009 |
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Understanding how weeds are resistant to herbicides
In a little over seven hours, University of Illinois weed scientist Patrick Tranel got more genetic information about waterhemp than in two years time in a lab. The genetic information was obtained using pyrosequencing technology ...
Aug 05, 2009 |
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Nitrogen research shows how some plants invade, take over others
Biologists know that when plants battle for space, often the actual battle is for getting the nitrogen.
Jul 06, 2009 |
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List of search results for weedy relatives
