Australian sheep get high and die on toxic weed
When Australian farmer Tony Knight first saw a purple-flowering plant growing across the bushfire-scarred terrain where his sheep grazed, his first thought was that it looked like "good stock feed".
When Australian farmer Tony Knight first saw a purple-flowering plant growing across the bushfire-scarred terrain where his sheep grazed, his first thought was that it looked like "good stock feed".
Ecology
May 30, 2014
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(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 ...
Ecology
Jun 21, 2010
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As rice farmers across the south prepare to plant their crop this month, University of Massachusetts Amherst evolutionary geneticist Ana Caicedo and a research team are beginning a major new study of how weeds evolve in general ...
Biotechnology
Apr 6, 2011
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The search is on for insects, mites, microbes or nematodes that could be used in a biologically based approach to controlling silverleaf nightshade, an invasive weed from the Americas that has spread to southern Europe, Africa, ...
Ecology
Nov 24, 2010
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(PhysOrg.com) -- Aromatic, evergreen foliage and plump, dusty-blue to nearly purple berries make western juniper appealing, whether it's a small shrub or a lofty tree. The trouble is, during the past 100 years or so, some ...
Ecology
Nov 5, 2009
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Giant ragweed lives up to its name, towering over crops and choking out surrounding plant species. Just one ragweed plant per square meter has been shown to reduce crop yields 45 to 77 percent. Now giant ragweed has evolved ...
Ecology
Dec 7, 2012
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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 sexual displays. ...
Plants & Animals
Apr 23, 2012
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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.
Ecology
Jan 26, 2011
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If a person were to climb a towering redwood and take a sample from the top and bottom of the tree, a comparison would show that the DNA are different.
Cell & Microbiology
Jul 1, 2011
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A new invasive weed that can grow into a dense mat, choking off most other plants, has gained its first North American foothold in Carlsbad and is threatening to spread across the Southwest with seeds that can travel on clothes, ...
Plants & Animals
Apr 17, 2019
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