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The Scientific World Journal
Volume 2014, Article ID 369745, 6 pages
http://dx.doi.org/10.1155/2014/369745
Research Article

Effects of Presowing Pulsed Electromagnetic Treatment of Tomato Seed on Growth, Yield, and Lycopene Content

1Open University of Cyprus, P.O. Box 24801, 1304 Nicosia, Cyprus
2Laboratory of Crop Production, Agricultural University of Athens, Iera Odos 75, 11855 Athens, Greece
3Department of Agriculture Crop Production and Rural Environment, University of Thessaly, Fytokou Street, N. Ionia, 38466 Magnisia, Greece
4Department of Business Administration of Food and Agricultural Enterprises, University of Patras, Seferi Street 2, 30100 Agrinio, Greece

Received 3 March 2014; Revised 18 May 2014; Accepted 15 June 2014; Published 6 July 2014

Academic Editor: Ioannis Konstantinou

Copyright © 2014 Aspasia Efthimiadou et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

The use of magnetic field as a presowing treatment has been adopted by researchers as a new environmental friendly technique. The aim of this study was to determine the effect of magnetic field exposure on tomato seeds covering a range of parameters such as transplanting percentage, plant height, shoot diameter, number of leaves per plant, fresh weight, dry weight, number of flowers, yield, and lycopene content. Pulsed electromagnetic field was used for 0, 5, 10, and 15 minutes as a presowing treatment of tomato seeds in a field experiment for two years. Papimi device (amplitude on the order of 12.5 mT) has been used. The use of pulsed electromagnetic field as a presowing treatment was found to enhance plant growth in tomato plants at certain duration of exposure. Magnetic field treatments and especially the exposure of 10 and 15 minutes gave the best results in all measurements, except plant height and lycopene content. Yield per plant was higher in magnetic field treatments, compared to control. MF-15 treatment yield was 80.93% higher than control treatment. Lycopene content was higher in magnetic field treatments, although values showed no statistically significant differences.