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      Root exudates mediate kin recognition in plants

      , , ,
      Communicative & Integrative Biology
      Informa UK Limited

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          Root competition: beyond resource depletion

          H. Schenk (2006)
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            Tragedy of the commons as a result of root competition

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              Is Open Access

              Kin recognition in an annual plant

              Kin recognition is important in animal social systems. However, though plants often compete with kin, there has been as yet no direct evidence that plants recognize kin in competitive interactions. Here we show in the annual plant Cakile edentula, allocation to roots increased when groups of strangers shared a common pot, but not when groups of siblings shared a pot. Our results demonstrate that plants can discriminate kin in competitive interactions and indicate that the root interactions may provide the cue for kin recognition. Because greater root allocation is argued to increase below-ground competitive ability, the results are consistent with kin selection.
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                Author and article information

                Journal
                Communicative & Integrative Biology
                Communicative & Integrative Biology
                Informa UK Limited
                1942-0889
                October 28 2014
                October 28 2014
                : 3
                : 1
                : 28-35
                Article
                10.4161/cib.3.1.10118
                20539778
                dd7483f7-2080-4efa-aee5-01a7dd21c30b
                © 2014
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