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Endogenous ion currents traverse growing roots and root hairs of Trifolium repens (1986)

MILLER, A. L. ; RAVEN, J. A. ; SPRENT, J. I. ; [et al.]

Oxford, UK : Blackwell Publishing Ltd

Plant, cell & environment 9 (1986), S. 0

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ISSN: 1365-3040

Source: Blackwell Publishing Journal Backfiles 1879-2005

Topics: Biology

Notes: Abstract The patterns of naturally growing ion currents associated with horizontally growing roots of Trifolium repens L. seedlings were measured in a simple low-salt bathing medium using a highly sensitive vibrating electrode. Current consistently enters the main elongation zone of the root and leaves from mature, elongated tissue. This current enters and leaves with densities of ca. 4.0–11.0 mA m−2 and 4.0 mA m−2, respectively. Current was also delected entering the zone of emerging root hairs and also the root-hair tips themselves.These results are a further example of the involvement of self-generated electrical fields in plant developmental processes. Possible, secondary rhizosphere-associated effects of the extracellular loop of the developmental current are also suggested.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1111/1365-3040.ep11614353

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