Review of the studies of the magnetic field effects on plants with an emphasis on agronomic and forest species
2002
Ruzic, R. (BION Inst., Ljubljana (Slovenia))
The studies exhibit various effects of magnetic fields (MFs) on plants. Static MFs either stimulate or inhibit the growth, germination and yield of plants or influence the enzyme production depend on MF density, plant species or exposure time. It was shown, that the south pole of magnets often yield more stimulative effects than the north pole. The results are better when germinated seeds (not dry one) are treated. Too short exposure time usually yield no results. Strong MFs can damage root system, influence cell division, orientation of cellulose microfibriles, synthesis of proteins and nucleic acids. Static MFs could have effects on plants through their influence on iron-containing compounds. Magnetotactic and magnetonastic response was also observed; possibly, amiloplasts collaborate in response of plant cells to MFs. The effects of alternating MFs on plants are poorly investigated, yet. Mostly, the effects are small or they develop in plant stress conditions. Some forms of these MFs stimulate regeneration of roots.
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