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Original Article

The Effect of ELF Magnetic Fields and Temperature on Differential Plant Growth

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Pages 159-165 | Published online: 07 Jul 2009
 

Abstract

Biological systems are composed of subsystems having optima related to different environmental conditions. Roots and shoots in plants represent one such example—differential growth of root and shoot tissue in plants is coordinated by control mechanisms where a stimulatory effect in one often is inhibitory for the other. Can different intensities of magnetic field elicit differential responses in both subsystems? A 50-Hz magnetic field was applied, and the length of shoots and roots in water cress (Lepidium satiuurn) was measured following four continuous days of stimulation. We observed a change in the growth of the roots and the shoots following magnetic exposures. Part of the change was due to thermal effects. Possible mechanisms for the observed effects are discussed.

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