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Insects see crops clearly when the weeds have gone
All gardeners know that their plants have to compete against insects and weeds. We apply insecticides to protect plants from the munching hordes, and we apply herbicides, or hoe, to protect plants from weeds. But, according to Stan Finch and Rosemary Collier of Horticulture Research International, Wellesbourne, the latter is a bad move that... view more... (2003-06-05)
Salk scientists get to the root of plant cell fate
When Robert Burns compared his love to a red, red rose, he definitely wasn't referring to a topless mutant. That's because rather than being topped by a lovely, fragrant bloom, a rose mutant in the gene known as TOPLESS would be crowned by a homely second root. view more (2006-06-09)
Scripps research scientists model 3D structures of proteins that control human clock
In an Early Edition issue of The Proceedings of the National Academy of Sciences (PNAS) on April 9, 2009, the researchers report that they have been able to determine the molecular structure of a plant photolyase protein that is surprisingly similar to two cryptochrome proteins that control the "master clock" in humans and other mammals. view more (2009-04-13)
Climate change does double-whammy to animals in seasonal environments
Plant-eating animals in highly seasonal environments, such as the Arctic, are struggling to locate nutritious food as a result of climate change. view more (2008-05-22)
Study involving more than 100 scientists provides new insights on green algae
Culminating a three-year research project, 115 scientists from around the world report in the Oct. 12 issue of the journal Science a "gold mine" of data on a tiny green alga called Chlamydomonas, with implications for human diseases. view more (2007-10-12)
Strange properties of the tequila plant studied by Mexican student
Tequila is the national drink of Mexico and is also hugely popular worldwide. Now a Mexican student has come to England to study the unusual properties of tequila plants. Postgraduate student Ivan Saldana Oyarzabal, from Guadalajara, which is 50km from the town of Tequila, is studying Agave tequilana and its unusual behaviour at the University of... view more... (2003-02-04)
Life on the edge: To disperse, or become extinct?
The hardiest plants and those most likely to survive the climatic shifts brought about by global warming are now easier to identify, thanks to new research findings by a team from Queen's University. view more (2008-06-24)
Coffee cultivation good for diversity in agrarian settlements but not in forests
Coffee shrubs, both in themselves and because they are most often cultivated in the shade of large trees, can have a positive impact on plant and animal diversity in those parts of the landscape that are deforested and dominated by agriculture. view more (2009-02-19)
Scientists identify gene for resistance to parasitic 'witchweed'
The parasitic flowering plant Striga, or "witchweed," attacks the roots of host plants, draining needed water and nutrients and leaving them unable to grow and produce any grains. view more (2009-08-28)
Genome duplication responsible for more plant species than previously thought
Extra genomes appear, on average, to offer no benefit or disadvantage to plants, but still play a key role in the origin of new species, say scientists from Indiana University Bloomington and three other institutions in this week's Proceedings of the National Academy of Sciences. view more (2009-08-13)
Understanding natural crop defenses
Ever since insects developed a taste for vegetation, plants have faced the same dilemma: use limited resources to out-compete their neighbors for light to grow, or, invest directly in defense against hungry insects. view more (2009-03-02)
Getting plants to rid themselves of pesticide residues
Scientists in China are reporting the "intriguing" discovery that a natural plant hormone, applied to crops, can help plants eliminate residues of certain pesticides. view more (2009-09-10)
Spread of plant diseases by insects can be described by equations that model interplanetary gravity
Researchers from Penn State University and the University of Virginia show that the spread of diseases by insects can be described by equations similar to those that describe the force of gravity between planetary objects. view more (2006-09-05)
Plants on steroids: Key missing link discovered
Researchers at the Carnegie Institution's Department of Plant Biology have discovered a key missing link in the so-called signaling pathway for plant steroid hormones (brassinosteroids). view more (2009-09-09)
Plants, plasmids and possibilities — Methods permit functional gene studies in plants
Decaffeinated coffee plants, pest-resistant cotton, and Vitamin A-producing rice varieties have all been developed by introducing genes into plants. view more (2006-12-04)
Annual plants may cope with global warming better than long-living species
Countering Charles Darwin's view that evolution occurs gradually, UC Irvine scientists have discovered that plants with short life cycles can evolutionally adapt in just a few years to climate change. view more (2007-01-09)
Auto immune response creates barrier to fertility; could be a step in speciation
Plant biologists at the Max Planck Institute of Developmental Biology and the University of North Carolina at Chapel Hill have discovered that an autoimmune response, triggered by a small number of genes, can be a barrier to producing a viable offspring. view more (2007-09-04)
Silicon's effect on sunflowers studied
Vibrant, showy sunflowers are revered worldwide for their beauty and versatility. While many varieties of sunflower are grown specifically for their nutritional benefits, ornamental sunflowers have become standards for commercial growers and everyday gardeners. view more (2008-05-08)
Increased competition for pollen may lead to plant extinctions
The decline of birds, bees and other pollinators in the world's most diverse ecosystems may be putting plants in those areas at risk, according to new research. view more (2006-01-20)
Strong decrease in field trials with genetically modified plants in the EU
The number of field trials with genetically modified plants has fallen by about 80 per cent since 1998 in the countries of the European Community. This is shown by a survey of the Fraunhofer Institute for Systems and Innovation Research ISI, Karlsruhe, compiled together with the Institute for Prospective Technological Studies, Seville (Spain), and... view more... (2003-04-14)
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