• experimental
  
• epidemiological
  

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Medical/biological Study (experimental study)

On the mechanisms of stimulation and inhibition of wheat seed germination by low-frequency magnetic field. med./biol.

Journal web site

Aim of study (according to editor)
To study the effects of low frequency magnetic field exposure on wheat seed germination capacity soaked in water or sucrose solutions of increasing osmotic pressure (10-16 atm).
Background/further details:
Germination capacity was assessed within six days.

Endpoint

• germination capacity of wheat seed

Exposure
General category: magnetic field, low frequency field, 50/60 Hz (AC)

Field characteristics	Parameters
field 1: 50 Hz exposure duration: continuous for 10 min.	magnetic flux density: 30 mT
field 2: 50 Hz exposure duration: continuous for 6 days	magnetic flux density: 30 mT

Exposed system:
wheat seed (Triticum aestivum L.), different cultivars (Zarya, Inna, Mironovskaya 808)

Methods
Endpoint/Measurement parameters/Methodology

• germination capacity of wheat seed and seedling length

Main outcome of study (according to author)
The data showed that stimulation of wheat seed germination by brief exposure in a 50 Hz electromagnetic field (10 min.) depended on the extent of membrane stretching upon seed swelling in sucrose solutions. Increasing osmotic pressure progressively suppressed seed germination. The exposure to the electromagnetic field improved seed germination capacity under all experimental conditions. The authors suggest that this finding confirms the effect of low frequency electromagnetic field on the release of peripheral proteins from membranes. Prolonged exposure (6 days), on the contrary, decreases the germination rate and retards seedling growth.

(Study character: medical/biological study, experimental study, full/main study)

Study funded by

• not stated

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