Weed gave up sex long ago

The ability of plants to self-pollinate – a big factor in the spread of weeds – is much older than previously thought in one widely studied species, leading biologists say. The findings show that at least in plant evolution, sex with others may be more trouble than it’s worth.

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<p><a href="http://www.physorg.com/news105721099.html">Weed gave up sex long ago</a></p> <p>The ability of plants to self-pollinate – a big factor in the spread of weeds – is much older than previously thought in one widely studied species, leading biologists say. The findings show that at least in plant evolution, sex with others may be more trouble than it’s worth.</p>