News tagged with drought stress
Plants can 'remember' drought and change responses to survive
(PhysOrg.com) -- Plants subjected to a previous period of drought learn to deal with the stress thanks to their memories of the experience, new research has found.
Mar 15, 2012 |
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A new tool for mapping water use and drought
Farmers and water managers may soon have an online tool to help them assess drought and irrigation impacts on water use and crop development, thanks to the work of two U.S. Department of Agriculture (USDA) ...
Feb 08, 2012 |
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A new role for cytokinin plant hormones
When plants, including crops, are exposed to environmental stresses such as drought or high salinity, abscisic acid (ABA), a stress-responsive hormone is synthesized to induce a protective response. At the same time, the ...
Sep 09, 2011 |
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Pacific Northwest trees struggle for water while standing in it
Contrary to expectations, researchers have discovered that the conifers of the Pacific Northwest, some of the tallest trees in the world, face their greatest water stress during the region's eternally wet ...
Jul 25, 2011 |
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Drought tolerance in crops: Shutting down the plant's growth inhibition under mild stress
VIB/UGent researchers have unveiled a mechanism that can be used to develop crop varieties resistant to mild droughts. For years, improving drought tolerance has been a major aim of academic and industrial research, thereby ...
May 11, 2011 |
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Drought response in grapes studied
A student's scholarship-winning project at South Dakota State University may help scientists better understand how grapes and other plants respond to drought.
Jan 21, 2011 |
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Winter drought stress can delay flowering, prevent fruit loss in orange crops
Successful mechanical harvesting of perennial fruit crops requires efficient, economical harvesting systems that do not reduce trees' production life or diminish fruit quality. Most of the world's citrus is ...
Sep 20, 2010 |
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Climate: Risks loom for China: study
Climate change could reduce key harvests in China by a fifth if the gloomiest scenarios prove true, according to a study on Wednesday.
Sep 01, 2010 |
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Growing drought-tolerant crops inching forward
A collaborative team of scientists led by researchers at The Medical College of Wisconsin, in Milwaukee, has used the tools of structural biology to understand how a synthetic chemical mimics abscisic acid (ABA), a key stress ...
Aug 25, 2010 |
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Plants give up some deep secrets of drought resistance
In a study that promises to fill in the fine details of the plant world's blueprint for surviving drought, a team of Wisconsin researchers has identified in living plants the set of proteins that help them withstand water ...
Aug 23, 2010 |
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Drought drives decade-long decline in plant growth
Earth has done an ecological about-face: Global plant productivity that once flourished under warming temperatures and a lengthened growing season is now on the decline, struck by the stress of drought.
Space & Earth / Earth Sciences
Aug 19, 2010 |
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ARS releases heat-tolerant beans
New bean germplasm lines containing heat, drought and disease tolerance are being released by Agricultural Research Service (ARS) scientists and cooperators.
Jun 30, 2010 |
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Plant hormone increases cotton yields in drought conditions
A naturally occurring class of plant hormones called cytokinins has been found to help increase cotton yields during drought conditions, according to Agricultural Research Service (ARS) scientists.
Mar 10, 2010 |
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Genes for drought-tolerance, aflatoxin may mingle to boost corn production
Scientists plan to put two and two together in a study that will likely yield improved U.S. corn quality and yields.
Jan 04, 2010 |
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Research spawns new discoveries showing how crops survive drought
(PhysOrg.com) -- Breakthrough research done earlier this year by a plant cell biologist at the University of California, Riverside has greatly accelerated scientists' knowledge on how plants and crops can ...
Nov 18, 2009 |
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