Researchers have uncovered the genetic basis of remarkable broad-spectrum resistance to a viral infection that, in some parts of the world, is the most important pathogen affecting leafy and arable brassica crops including ...
Biotechnology
Nov 18, 2010
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Catapults are often associated with a medieval means of destruction, but for some plants, they are an effective way to launch new life. Dispersing seeds greater distances by catapulting can provide selective advantages, including ...
Plants & Animals
Nov 3, 2010
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High in an alpine meadow, Gesine Pufal, from the University of Wellington, New Zealand, crouched low to the ground and splashed some water from her water bottle on a low green plant cushion, then sat back waiting to see if ...
Plants & Animals
Sep 30, 2010
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Scientists from around the world gathered in Costa Rica this month to exchange ideas on ways to make sure orchids, among the world's most popular flowers, will still be around for the next generation to enjoy.
Ecology
Sep 20, 2010
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Cycads, "living fossil" descendents of the first plants that colonized land and reproduced with seeds, are rapidly going extinct because of invasive pests and habitat loss, especially those species endemic to islands. But ...
Ecology
Jul 13, 2010
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When a plant endemic to several islands in the Western Pacific Ocean taps the services of a helpful insect, a double-dose of benefits comes its way.
Plants & Animals
Jun 9, 2010
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When fires rage through forests, they often char acres upon acres of plant life and scar a landscape for years to come. Some plants have learned to use this destructive force to their advantage -- moving into competitors' ...
Plants & Animals
Mar 30, 2010
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(PhysOrg.com) -- The ability of microbes, tiny organisms that do big jobs in our environment, to go dormant not only can save them from death and possible extinction but may also play a key role in promoting biodiversity ...
Cell & Microbiology
Mar 19, 2010
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(PhysOrg.com) -- A Penn State biologist and his collaborators have developed a new method for tracking seed movement and germination. According to Tomás Carlo, assistant professor of biology at Penn State and the ...
Ecology
Feb 26, 2010
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Plants and people alike face critical choices as they reproduce: to make a few big, well-provisioned seeds--or babies--or many small, poorly-provisioned ones. Different species make strikingly different choices, resulting ...
Evolution
Feb 16, 2010
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