Journal of Stress Physiology & Biochemistry, Vol. 8 No. 4 2012, pp. 191-198 ISSN 1997-0838
Original Text Copyright (cc) 2012 by   Pourakbar, Hatami



ORIGINAL ARTICLE
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Exposure of Satureia hortensis L seeds to magnetic fields: effect on germination, growth characteristics and activity of some enzymes

Latifeh Pourakbar1* and Sepideh Hatami2

1 Department of Biology, Faculty of Science, Urmia University, Iran
2 Agricultural Research Center of Uromeih, Iran


*E-Mail:   l.pourakbar@urmia.ac.ir

Received  August  20, 2012

The objective of the present study investigated on the effects  Satureia hortensis L  seeds exposure to magnetic fields on seed germination, early growth and enzyme activity, under laboratory conditions Satureia hortensis seeds (dry and wet) were studied after treating with different intensities of magnetic field (0, 25, 50 and 75 mT) and exposure time (0, 30 and 60 min). There were significant effects among treatments for germination percentage, root length, shoot length, seedling dry mass and seedling vigor index in  Satureia hortensis seeds under different magnetic intensity. In the germinating seeds enzyme activities of α-amylase, dehydrogenase and protease were significantly higher in treated seeds in contrast to control.
Key words:  Satureia hortensis L., MagneticFields, Germination, Enzyme activity

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