Growth rate and mitotic index analysis of Vicia faba L. roots exposed to 60-Hz electric fields.

M. Inoue, M. W. Miller, Christopher Cox, E. L. Carstesen

Research output: Contribution to journalArticle

Abstract

Growth, mitotic index, and growth rate recovery were determined for Vicia faba L. roots exposed to 60-Hz electric fields of 200, 290, and 360 V/m in an aqueous inorganic nutrient medium (conductivity 0.07-0.09 S/m). Root growth rate decreased in proportion to the increasing strength; the electric field threshold for a growth rate effect was about 230 V/m. The induced transmembrane potential at the threshold exposure was about 4-7 mV. The mitotic index was not affected by an electric field exposure sufficient to reduce root growth rate to about 35% of control. Root growth rate recovery from 31-96% of control occurred in 4 days after cessation of the 360 V/m exposure. The results support the postulate that the site of action of the applied electric fields is the cell membrane.

Original languageEnglish (US)
Pages (from-to)293-303
Number of pages11
JournalBioelectromagnetics
Volume6
Issue number3
StatePublished - 1985
Externally publishedYes

Fingerprint

Vicia faba
Mitotic Index
electric field
root growth
Growth
membrane potential
cell membranes
Membrane Potentials
nutrients
Cell Membrane
Food
water

ASJC Scopus subject areas

  • Agricultural and Biological Sciences (miscellaneous)
  • Biophysics

Cite this

Growth rate and mitotic index analysis of Vicia faba L. roots exposed to 60-Hz electric fields. / Inoue, M.; Miller, M. W.; Cox, Christopher; Carstesen, E. L.

In: Bioelectromagnetics, Vol. 6, No. 3, 1985, p. 293-303.

Research output: Contribution to journalArticle

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