News tagged with plant defenses
A bit touchy: Plants' insect defenses activated by touch
A new study by Rice University scientists reveals that plants can use the sense of touch to fight off fungal infections and insects. The study, which will be published in the April 24 issue of Current Biology, finds ...
Apr 09, 2012 |
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Lawsuits against EPA target nutrients in US waters
(AP) -- Environmental groups are suing the Environmental Protection Agency to force the federal government to curb an overdose of nutrients from farms and cities that end up in the nation's rivers, lakes and coastal waters. ...
Mar 15, 2012 |
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Alternative-energy innovations on display
Climate change is in dispute. Oil and gas are staging a comeback. Republicans are questioning federal funding for energy research as a waste of money in a time of deficits.
Technology / Energy & Green Tech
Mar 06, 2012 |
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Using plants to silence insect genes in a high-throughput manner
Scientists at the Max Planck Institute for Chemical Ecology, Germany, are now using a procedure which brings forward ecological research on insects: They study gene functions in moth larvae by manipulating ...
Feb 02, 2012 |
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Researchers learn how pathogen causes speck disease
(PhysOrg.com) -- Researchers have discovered how the structure of a protein allows a certain bacteria to interfere with the tomato plant's immune system, causing bacterial speck disease.
Dec 15, 2011 |
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Research team unravels tomato pathogen's tricks of the trade
(PhysOrg.com) -- For decades, scientists and farmers have attempted to understand how a bacterial pathogen continues to damage tomatoes despite numerous agricultural attempts to control its spread.
Nov 03, 2011 |
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Glow-in-the-dark millipede says 'stay away'
As night falls in certain mountain regions in California, a strange breed of creepy crawlies emerges from the soil: Millipedes that glow in the dark. The reason behind the glowing secret has stumped biologists ...
Sep 26, 2011 |
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Global warming may reroute evolution
(PhysOrg.com) -- Rising carbon dioxide levels associated with global warming may affect interactions between plants and the insects that eat them, altering the course of plant evolution, research at the University ...
Feb 16, 2011 |
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Researcher Studies How Flowers Fight Back Against Damaging Insect Visitors
Though summer's flowers appear delicate and carefree to us, in fact plants must be tough enough to defend their blossoms against antagonists including florivores and nectar robbers, that is, insects who eat, ...
Aug 03, 2010 |
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What genes help blossoms last longer?
Some cut flowers and potted plants are better than others at fending off the aging process, known as senescence. To help tomorrow's blooms stay fresh longer, Agricultural Research Service (ARS) plant physiologist Cai-Zhong ...
May 24, 2010 |
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Sex involved in plant defense
Why do some plants defend themselves from insect attacks better than others? New evidence shows that the difference might be due to whether they're getting any plant love.
Jul 13, 2009 |
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Waxy plant substance key for absorption of water, nutrients
(PhysOrg.com) -- While proving a long-held theory that suberin blocks water and nutrient absorption in plants, a Purdue University scientist learned more about manipulating the substance to better feed plants.
May 22, 2009 |
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