News tagged with plant hormone

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Plant branching hormone discovered

(PhysOrg.com) -- In an important breakthrough, plant biologists at The University of Queensland have identified a hormone that plays a key role in determining the size and shape of plants.

dateJul 08, 2011 in Biotechnology
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Plant hormone auxin triggers a genetic switch

(PhysOrg.com) -- During the development of organisms, a particular event repeatedly occurs: a signal appears temporarily, but the processes it triggers must be maintained – for example, when the fate of cells in the ...

dateApr 18, 2011 in Biotechnology
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Mastermind steroid found in plants

Scientists have known for some time how important plant steroids called brassinosteroids are for regulating plant growth and development. But until now, they did not know how extensive their reach is. Now researchers, including ...

dateNov 15, 2010 in Cell & Microbiology
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Red light regulates nectar secretion

Flowering plants produce nectar to attract insect pollinators. Some plant species, such as Lima bean, also secrete nectar from so-called extrafloral nectaries to attract ants which in turn fend off herbivores. Scientists ...

dateSep 27, 2010 in Plants & Animals
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