Abstract
The influence of weak permanent horizontal magnetic field (PMF, field strength ∼400 A/m) on lipid peroxidation was studied with 5-day-old radish (Raphanus sativus L. var. radicula D.C.) seedlings grown in a phytotron at 18–20℃ under illuminance of 1–6 klx and in darkness. Seedlings raised at geomagnetic field (GMF) were used as the reference (control) sample. Under the action of PMF, the largest content of a terminal lipid peroxidation product, MDA was observed in seedlings grown at illuminance of 2–3 klx. No clear dependence of MDA accumulation on light intensity during seedling growth was observed. The action of PMF altered the proportion between light and dark reactions of lipid peroxidation; lipid peroxidation decreased in the magnetic field. During seed germination under the action of PMF, the content of MDA was found to decrease: the largest decrease was observed in 5-day-old seedlings at illuminance of 1 klx. The permanent magnetic field acted as a correcting factor by affecting the MDA content.
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