Proportionality of ELF electric field-induced growth inhibition to induced membrane potential inZea mays andVicia faba roots
- 1 June 1990
- journal article
- conference paper
- Published by Springer Nature in Radiation and Environmental Biophysics
- Vol. 29 (2), 129-141
- https://doi.org/10.1007/bf01210558
Abstract
The postulate that 60-Hz electric field-induced bioeffect severity is proportional to induced transmembrane potential [ $V_{m^i } $ ] magnitude was tested and supported using a plant root model cell system. Statistically significant correlations were obtained upon regression of the relative rates of exposedVicia faba andZea mays root segment growth on the average $V_{m^i } $ (calculated) arising in those segments under specified 60 Hz field exposure conditions. The $V_{m^i } $ associated with the apparent threshold for growth inhibition was similar inZea andVicia roots (2.5 vs 2.4 mV, respectively). At $V_{m^i } $ greater than this threshold,Zea root growth declined by about 9% per mV, andVicia root growth by about 19% per mV induced potential.
Keywords
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