Put em UP: Plant Fights!


	Put em UP: Plant Fights!

Antara

10-24-2009 6:51 AM

117 views

tags:

plants, fun stuff, science, "blood" is thicker than ...?

Antara says:

Plants can recognize rivals and fight, study says

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<div style="margin: 12px 0px; font-family: arial; color: #333333; background: #ffffff; border: solid 4px #e5e5e5; width: 100%; clear: left;"><div class="CM_CTB_Content_Wrap" style="margin: 0px; padding: 0px;background-color: #ffffff;"><div style="border-bottom: solid 1px #dcdcdc; white-space: nowrap; margin-bottom: 8px; background-color: #eeeeee ;background-image: url(http://clipmarks.com/images/source-bg.gif); background-repeat: repeat-x; height: 24px; line-height: 24px; vertical-align: middle; padding-bottom: 4px; color: #666666; font-size: 10px;" ><a href="http://clipmarks.com/clip-to-blog/" title="see clips that are hot right now"><img src="http://content.clipmarks.com/blog_embed/ad3d442c-addb-4b4d-b105-5cb2e78b23d0/BA5A928C-D080-450E-8E2A-7CB197B4E136/" alt="" width="19" height="19" border="0" style="vertical-align: middle; margin: 0px 4px; display: inline; border: none; float:none;" /></a>clipped from <a title="http://www.msnbc.msn.com/id/33400752/ns/technology_and_science-science" href="http://www.msnbc.msn.com/id/33400752/ns/technology_and_science-science" style="font-size: 11px;">www.msnbc.msn.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.msnbc.msn.com/id/33400752/ns/technology_and_science-science"><P class="textBodyBlack"><SPAN id="byLine"></SPAN>Plants can't see or hear, but they can recognize their siblings, and now researchers have found out how: They use chemical signals secreted from their roots, according to a new study. </P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.msnbc.msn.com/id/33400752/ns/technology_and_science-science"><P class="textBodyBlack"><SPAN id="byLine"></SPAN>Back in 2007, Canadian researchers discovered that a common seashore plant, called a sea rocket, can recognize its siblings — plants grown from seeds from the same plant, or mother. They saw that when siblings are grown next to each other in the soil, they "play nice" and don't send out more roots to compete with one another. </P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.msnbc.msn.com/id/33400752/ns/technology_and_science-science"><P class="textBodyBlack"><SPAN id="byLine"></SPAN>But as soon as one of the plants is thrown in with strangers, it begins competing with them by rapidly growing more roots to take up the water and mineral nutrients in the soil. </P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.msnbc.msn.com/id/33400752/ns/technology_and_science-science"><P class="textBodyBlack"><SPAN id="byLine"></SPAN>Researchers from the University of Delaware wanted to find out how the plants were able to <A href="http://www.livescience.com/common/media/video/player.php?videoRef=LS_091015_plant-siblings">identify their kin</A>. </P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.msnbc.msn.com/id/33400752/ns/technology_and_science-science"><P class="textBodyBlack"><SPAN id="byLine"></SPAN>Plants exposed to strangers had greater lateral root formation than the plants that were exposed to siblings. </P></blockquote></div><div style="margin: 0px 6px 6px 4px;"><table style="font-size: 11px;border-spacing: 0px;padding: 0px;" cellpadding="0" cellspacing="0" width="100%"><tr><td style="background:transparent;border-width:0px;padding:0px;">&nbsp;</td><td align="right" style="background:transparent;border-width:0px;padding:0px;width:107px" width="107"><a href="http://clipmarks.com/share/BA5A928C-D080-450E-8E2A-7CB197B4E136/blog/" title="blog or email this clip"><img src="http://content8.clipmarks.com/images/c2b-foot.png" border="0" alt="blog it" width="107" height="17" style="border-width:0px;padding:0px;margin:0px;" /></a></td></tr></table></div></div>

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