News tagged with pollen flow
As agricultural riches waylay pollinators, an endangered tree suffers
For the conservation of species, hostile territory might sometimes have its advantages. That's according to a study of pollen flow among trees found only in remnant patches of native Chilean forest. The data show that the ...
Jul 21, 2011 |
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Flight of the bumble (and honey) bee
Insects such as honeybees and bumble bees are predictable in the way they move among flowers, typically moving directly from one flower to an adjacent cluster of flowers in the same row of plants. The bees' ...
Mar 20, 2009 |
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Search results for pollen flow
Honeybee deaths linked to seed insecticide exposure
Honeybee populations have been in serious decline for years, and Purdue University scientists may have identified one of the factors that cause bee deaths around agricultural fields.
Jan 12, 2012 |
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Scientists make human blood protein from rice
Scientists at a Chinese university said Monday they can use rice to make albumin, a protein found in human blood that is often used for treating burns, traumatic shock and liver disease.
Oct 31, 2011 |
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War on willows
Willows are major environmental weeds of riverbank habitats across much of south-eastern Australia. They obstruct water flow, increase water temperature, change water chemistry and can displace native riverine ...
Jul 29, 2011 |
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Sexual plant reproduction: Male and female talk in the same way as do cells in your brain
A team of researchers at the Instituto Gulbenkian de Ciencia (IGC), Portugal, discovered that pollen, the organ that contains the plant male gametes, communicate with the pistil, their female counterpart, ...
Mar 17, 2011 |
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Biologists discover 'control center' for sperm production
Biologists at the University of Leicester have published results of a new study into the intricacies of sex in flowering plants.
Feb 02, 2011 |
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Islands in the sky: How isolated are mountain top plant populations?
Do mountain tops act as sky islands for species that live at high elevations? Are plant populations on these mountain tops isolated from one another because the valleys between them act as barriers, or can ...
Jan 21, 2011 |
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Wildflower colors tell butterflies how to do their jobs
(PhysOrg.com) -- The recipe for making one species into two requires time and some kind of separation, like being on different islands or something else that discourages gene flow between the two budding species.
Jan 09, 2011 |
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Gene transfer from transgenic crops: A more realistic picture
A new data-driven statistical model that incorporates the surrounding landscape in unprecedented detail describes the transfer of an inserted bacterial gene via pollen and seed dispersal in cotton plants more ...
Nov 30, 2010 |
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Blast from the past: Jack pine genetics support a coastal glacial refugium
Can a road-trip across eastern North America, ancient ice sheets, and DNA samples unlock the ancestral history of jack pine trees? Julie Godbout and colleagues from the Université Laval, Quebec, Canada, certainly hoped ...
Nov 29, 2010 |
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If GMO genes escape, how will the hybrids do?
GMOs, or Genetically Modified Organisms, may raise concerns of genes escaping from crops and having unknown effects on natural, wild species. But what is the real risk that traits associated with GMOs will actually migrate ...
Nov 01, 2010 |
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List of search results for pollen flow
