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Nature & Environment

Plants 'can recognise themselves'

By T.K. Randall
June 2, 2009 · Comment icon 12 comments

Image Credit: sxc.hu
New experiments have revealed that plants are able to recognise themselves and will know when a genetically identical cutting is growing nearby, co-operating with it in an effort to avoid being eaten by herbivores.
Experiments show that a sagebrush plant can recognise a genetically identical cutting growing nearby.What's more, the two clones communicate and cooperate with one another, to avoid being eaten by herbivores."


Source: BBC News | Comments (12)




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Recent comments on this story
Comment icon #3 Posted by Wickian 15 years ago
Well it's significant in the prospect of proving that plants are more than inanimate growths of cell clusters and active living things with possible individual intentions.
Comment icon #4 Posted by Abramelin 15 years ago
Yeah, it IS amazing. Just plants, eh? We, the socalled superior beings on this rock think we know all. Nah. we don't, and we discover how much we really don't know all the time. -- Plants protect their kin, or don't attack their kin. We do too. or - let's say - we are inclined to do so. Now let's hear something from vegetarians.
Comment icon #5 Posted by Codehook 15 years ago
It has also been proven that plants can feel 'pain.' Do a google search and you'll quickly find out about it. They don't, however, have a brain to be able to comprehend the 'pain' so therefore I don't think this affects vegetarians' opinions on whether eating them is right or wrong.
Comment icon #6 Posted by Mr. Jones 15 years ago
This also provides ammo for meat eaters to tell radical vegetarians that they're murderers too. I'm just saying. XD
Comment icon #7 Posted by Torgo 15 years ago
This makes perfect evolutionary sense. A plant growing near clones of itself will produce more genetically identical offspring if it does not directly compete with its clones but instead behaves in a more colonial fashion that benefits both. If it is growing near a non-identical individual, it will produce more offspring similar to itself it it competes with it. Over time plants that cooperated with clones would be selected for.
Comment icon #8 Posted by clubfoot O.M.G. 15 years ago
At last, we are starting to learn! We all have to eat, that's what the food chain is all about, but, it needs to be done with care and respect, caged hens, for example, are wrong.
Comment icon #9 Posted by TheResearcher 15 years ago
What I find more fascinating is how they can work together to prevent being eaten by herbivores ... I mean ... a plant is a plant, it can hardly do much if a herbivore wants to eat it. I take it it means spines or something?
Comment icon #10 Posted by clubfoot O.M.G. 15 years ago
What I find more fascinating is how they can work together to prevent being eaten by herbivores ... I mean ... a plant is a plant, it can hardly do much if a herbivore wants to eat it. I take it it means spines or something? I think that the scientists concerned were working on the theory that the plants accumulated noxious chemicals in their leaves to ward off herbivores (grasshoppers in this case) and or moved their stems and leaves to make 'themselves' appear less palatable. It didn't stop the herbivores but it appeared to reduce the damage fairly significantly.
Comment icon #11 Posted by TheResearcher 15 years ago
I think that the scientists concerned were working on the theory that the plants accumulated noxious chemicals in their leaves to ward off herbivores (grasshoppers in this case) and or moved their stems and leaves to make 'themselves' appear less palatable. It didn't stop the herbivores but it appeared to reduce the damage fairly significantly. That's pretty amazing. I knew plants (mainly weeds) could emit chemicals to kill surrounding plants, but I never knew they would adapt to perform something such as that. Plants are more interesting that it would first appear it seems.
Comment icon #12 Posted by Orcseeker 15 years ago
the game zombies vs plants shows the true power of plants in their full glory. on a more serious note, this is good news, we have discovered something very important about plants. This can lead to many debates about how plants work and rewrite the books.


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