News tagged with weed species
Birds cultivate decorative plants to attract mates
An international team of scientists has uncovered the first evidence of a non-human species cultivating plants for use other than as food. Instead, bowerbirds propagate fruits used as decorations in their ...
Apr 23, 2012 |
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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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Scientists rediscover rarest US bumblebee
A team of scientists from the University of California, Riverside recently rediscovered the rarest species of bumblebee in the United States, last seen in 1956, living in the White Mountains of south-central ...
Dec 05, 2011 |
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Scientists learn how horseweed shrugs off herbicide
As everyone knows, the pharmaceutical industry is struggling to deal with bacteria that have become resistant to common antibiotics. Less well known is the similar struggle in agribusiness to deal with weeds ...
Jun 16, 2011 |
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Integrated weed management best response to herbicide resistance
Over-reliance on glyphosate-type herbicides for weed control on U.S. farms has created a dramatic increase in the number of genetically-resistant weeds, according to a team of agricultural researchers, who say the solution ...
Feb 09, 2012 |
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Climate change may wake up 'sleeper' weeds
(PhysOrg.com) -- Climate change will cause some of Australia’s potential weeds to move south by up to 1000km, according to a report by scientists at CSIRO’s Climate Adaptation Flagship.
Apr 15, 2009 |
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War on willows
Willows are major environmental weeds of riverbank habitats across much of south-eastern Australia. They obstruct water flow, increase water temperature, change water chemistry and can displace native riverine ...
Jul 29, 2011 |
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'Wicked Weed of the West' waning with effect of weevils, other nontoxic remedies
(PhysOrg.com) -- It's not often that plants are described as diabolical, but spotted knapweed has that rare distinction. A 2004 issue of Smithsonian magazine, for instance, dubbed it the "wicked weed of the ...
Mar 31, 2011 |
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Miscanthus has a fighting chance against weeds
University of Illinois research reports that several herbicides used on corn also have good selectivity to Miscanthus x giganteus (Giant Miscanthus), a potential bioenergy feedstock.
Jan 10, 2011 |
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Waterhemp rears its ugly head ... again
Waterhemp has done it again. University of Illinois researchers just published an article in Pest Management Science confirming that waterhemp is the first weed to evolve resistance to HPPD-inhibiting herbicides.
Jan 26, 2011 |
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Which direction are herbicides heading?
2,4-D is coming back. What many might consider a "dinosaur" may be the best solution for growers fighting weed resistance today, said Dean Riechers, University of Illinois associate professor of weed physiology.
Oct 11, 2011 |
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Microorganism may provide key to combating giant salvinia throughout Louisiana
A team of researchers at Louisiana Tech University has found that a naturally occurring microorganism acts as a natural herbicide against giant salvinia.
Nov 19, 2009 |
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Noxious weed reporting system now available in 11 western states
Spring has finally arrived and many of us are once again heading back into the fields and rangelands, into the rivers, and into the backcountry for work and for play. As our surroundings are greening up, we must remember ...
May 19, 2011 |
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Dogs outdo humans at detecting rare noxious weed
(PhysOrg.com) -- A field test in Montana pitted dog against human in an effort to identify and eradicate spotted knapweed. This weed threatens the survival of native species and can bring about both economic and ecosystem ...
Jun 23, 2010 |
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Warming could change South Australia's weed pests
(PhysOrg.com) -- Hotter temperatures and reduced rainfall in South Australia due to climate change could prompt a period of 'weed change' across the state, according to a new report from CSIRO.
May 20, 2010 |
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