Longitudinal electrical resistance of maize roots

H. Ginsburg; G. G. Laties

doi:10.1093/jxb/24.6.1035

Longitudinal electrical resistance of maize roots

H. Ginsburg^*
, G. G. Laties

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

3 Scopus citations

Abstract

Longitudinal resistances of excised roots (R_r), isolated steles (R_stels), and cortical cylinders (R_oortex) of maize seedlings were measured as a function of the KCl concentration in the bathing medium and as a function of root length. The resistances were found to be proportional to root length beyond 1 cm from the root tip. R_r was independent, while R_stels and R_oortex showed a marked dependence on [KCl]. The results are analysed in terms of a passive network of parallel resistances. It is concluded that the symplast is the major determinant of the longitudinal root resistance.

Original language	English
Pages (from-to)	1035-1040
Number of pages	6
Journal	Journal of Experimental Botany
Volume	24
Issue number	6
DOIs	https://doi.org/10.1093/jxb/24.6.1035
State	Published - Dec 1973
Externally published	Yes

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title = "Longitudinal electrical resistance of maize roots",

abstract = "Longitudinal resistances of excised roots (Rr), isolated steles (Rstels), and cortical cylinders (Roortex) of maize seedlings were measured as a function of the KCl concentration in the bathing medium and as a function of root length. The resistances were found to be proportional to root length beyond 1 cm from the root tip. Rr was independent, while Rstels and Roortex showed a marked dependence on [KCl]. The results are analysed in terms of a passive network of parallel resistances. It is concluded that the symplast is the major determinant of the longitudinal root resistance.",

author = "H. Ginsburg and Laties, \{G. G.\}",

year = "1973",

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AU - Laties, G. G.

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AB - Longitudinal resistances of excised roots (Rr), isolated steles (Rstels), and cortical cylinders (Roortex) of maize seedlings were measured as a function of the KCl concentration in the bathing medium and as a function of root length. The resistances were found to be proportional to root length beyond 1 cm from the root tip. Rr was independent, while Rstels and Roortex showed a marked dependence on [KCl]. The results are analysed in terms of a passive network of parallel resistances. It is concluded that the symplast is the major determinant of the longitudinal root resistance.

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Longitudinal electrical resistance of maize roots

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