Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 428770
Title Detect thy neighbor: Identity recognition at the root level in plants
Author(s) Chen, B.J.W.; During, H.J.; Anten, N.P.R.
Source Plant Science 195 (2012). - ISSN 0168-9452 - p. 157 - 167.
DOI http://dx.doi.org/10.1016/j.plantsci.2012.07.006
Department(s) Crop and Weed Ecology
PE&RC
Publication type Refereed Article in a scientific journal
Publication year 2012
Keyword(s) self/non-self discrimination - scaling phloem transport - kin recognition - competitive ability - impatiens-capensis - sibling competition - electrical signals - sib-competition - barley plants - desert shrubs
Abstract Some plant species increase root allocation at the expense of reproduction in the presence of non-self and non-kin neighbors, indicating the capacity of neighbor-identityrecognition at the rootlevel. Yet in spite of the potential consequences of rootidentityrecognition for the relationship between plant interactions and community structure and functioning, this phenomenon still remains poorly understood. We first critically assess the evidence for the existence of self/non-self and kin recognition at the rootlevel in plants. While rootidentityrecognition most likely exists to some degree, there remain valid points of criticism regarding experiments that have documented this, particularly concerning the effects of pot volume in self/non-self recognition experiments and the roles of size inequality and asymmetric competition in kin recognition studies. Subsequently we review and propose some plausible physiological mechanisms that may underlie these responses. Finally we briefly discuss the relation between under- and aboveground interactions and the potential consequences of rootidentityrecognition for agriculture, and conclude with raising several questions for future studies.
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