News tagged with weeds

Worst weed the culprit of herbicide resistance

Scientists at the University of Adelaide's Waite Research Institute have discovered new cases of herbicide resistance in annual ryegrass, the most serious and costly weed of Australian cropping.

Oct 18, 2010
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Benefits of planting winter canola examined

Winter canola might soon be the crop of choice for Pacific Northwest farmers, thanks to research by U.S. Department of Agriculture (USDA) scientists and their partners. The multitasking annual plant can be used to control ...

Oct 12, 2010
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Curly-leaf Pondweed found near Bozeman, Montana

(PhysOrg.com) -- In late June, curly-leaf pondweed (Potamogeton crispus), one of Montana's Priority 1 noxious weeds, was found near Bozeman in several ponds along the East Gallatin River drainage system. Priority ...

Jul 13, 2010
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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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US Supreme Court overturns ban on GM crop

In a landmark first ruling on genetically modified crops, the US Supreme Court overturned Monday a four-year ban on alfalfa seeds engineered by biotech giant Monsanto to resist weed killer.

Jun 21, 2010
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Roundup resistant weeds pose environmental threat

(AP) -- When the weed killer Roundup was introduced in the 1970s, it proved it could kill nearly any plant while still being safer than many other herbicides, and it allowed farmers to give up harsher chemicals and reduce ...

Jun 21, 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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Eliminating weeds could put more cows on the pasture

A weed calculator developed by an Agricultural Research Service (ARS) scientist tells ranchers the number of additional cows they could raise if they eliminated one or two widespread exotic invasive weeds.

Apr 28, 2010
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