News tagged with plant reproduction
Sympatric speciation contributes to island biodiversity
Scientists discover at least 11 examples of sympatric speciation on Lord Howe Island.
Mar 15, 2012 |
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Plant enzymes reveal complex secrets
The enzymes needed for producing and chemically modifying functionally important plant molecules called anthocyanins have been identified by a research team led by Kazuki Saito of the RIKEN Plant Science Center, ...
Mar 09, 2012 |
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Secret sex life to help save world's endangered seagrasses
(PhysOrg.com) -- Sex plays a much more important role in the reproduction of vitally important seagrasses than previously thought, according to important new findings by researchers from The University of ...
Jan 17, 2012 |
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Paying for sex and 'playing dead' - the deceitful gift-giving spider
Male nursery web spiders (Pisaura mirabilis) prepare silk-wrapped gifts to give to potential mates. Most gifts contain insects, but some gifts are inedible plant seeds or empty exoskeletons left after the pr ...
Nov 13, 2011 |
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How does a plant survive with few mates or pollinators? A European herb has figured out its own way
In plants that rely on animals for pollination, the number of seeds they produce, or their relative fitness, is influenced by pollinator visits and the successful deposition of pollen. The number of visits ...
Nov 10, 2011 |
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Fadang photo makes the cover of major botanical journal
The research efforts of University of Guam scientist Thomas Marler have put Guam's endangered native cycad, Cycas micronesica (fadang is the Chamorro name) on the cover of the June 2011 International Journal o ...
Jul 29, 2011 |
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Plants cloned as seeds
Plants have for the first time been cloned as seeds. The research by aUC Davis plant scientists and their international collaborators, published Feb. 18 in the journal Science, is a major step towards making hybrid crop p ...
Feb 17, 2011 |
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The production of plant pollen is regulated by several signalling pathways
(PhysOrg.com) -- Plants producing flower pollen must not leave anything to chance. The model plant thale cress (Arabidopsis), for instance, uses three signalling pathways in concert with partially overlapping ...
Jan 25, 2011 |
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Gatekeeper for tomato pollination identified
Tomato plants use similar biochemical mechanisms to reject pollen from their own flowers as well as pollen from foreign but related plant species, thus guarding against both inbreeding and cross-species hybridization, report ...
Dec 23, 2010 |
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Study shows how ancient plants and soil fungi turned the Earth green
A new breakthrough by scientists at the University of Sheffield has shed light on how the Earth's first plants began to colonise the land over 470 million years ago by forming a partnership with soil fungi.
Nov 02, 2010 |
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Scientists reveal the sex wars of the truffle grounds
They are one of the most highly prized delicacies in the culinary world, but now scientists have discovered that black truffles are locked in a gender war for reproduction. The research, published in New Ph ...
Oct 25, 2010 |
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Researcher Studies How Flowers Fight Back Against Damaging Insect Visitors
Though summer's flowers appear delicate and carefree to us, in fact plants must be tough enough to defend their blossoms against antagonists including florivores and nectar robbers, that is, insects who eat, ...
Aug 03, 2010 |
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Asexual plant reproduction may seed new approach for agriculture
An HHMI scientist has moved a step closer to turning sexually-reproducing plants into asexual reproducers, a finding that could have profound implications for agriculture.
Mar 08, 2010 |
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How the daisy got its spots... and why
Dark spots on flower petals are common across many angiosperm plant families and occur on flowers such as some lilies, orchids, and daisies. Much research has been done on the physiological and behavioral ...
Dec 18, 2009 |
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Woody plants adapted to past climate change more slowly than herbs
Can we predict which species will be most vulnerable to climate change by studying how they responded in the past? A new study of flowering plants provides a clue. An analysis of more than 5000 plant species ...
Sep 23, 2009 |
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