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Influence of extremely low‐frequency electric fields on the growth of Vigna radiata seedlings
Author(s) -
Costanzo Evelina
Publication year - 2011
Publication title -
bioelectromagnetics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.435
H-Index - 81
eISSN - 1521-186X
pISSN - 0197-8462
DOI - 10.1002/bem.20666
Subject(s) - radiata , bioelectromagnetics , vigna , seedling , electric field , intensity (physics) , field intensity , extremely low frequency , field (mathematics) , biology , botany , nuclear magnetic resonance , physics , electromagnetic field , optics , mathematics , quantum mechanics , pure mathematics
The biological effects of extremely low‐frequency electric fields (ELF) on living organisms have been explored in many studies, but the results are controversial and only a few studies investigated the influence of the intensity of the applied field on seedling growth. Here we assess the effects of a 50 Hz sinusoidal electric field on the early growth of Vigna radiata seedlings while varying the field intensity. Experiments performed in a dark, constant‐climate chamber on several thousands of seedlings show that the field produces an inhibitory effect at a low field intensity and an enhancing one at a higher intensity. The maximum negative effect occurs at about 450 V/m, which is an intensity much lower than the exposure limits currently in force in the safety regulations. Bioelectromagnetics 32:589–592, 2011. © 2011 Wiley‐Liss, Inc.

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