Impact of variable magnetic field stimulation on growth of aboveground parts of potato plants
 
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1
Departament of Agricultural and Food Technology, Agricultural University in Cracow, Balicka 116B, 30-149 Cracow, Poland
2
Plant Breeding and Acclimatization Institute, Zawila 4, 30-423 Cracow, Poland
 
Int. Agrophys. 2010, 24(2): 165–170
 
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ABSTRACT
The paper presents the results of investigations on of the influence of variable magnetic field applied for stimulation of potato tubers on the growth of aboveground parts of potato plants. Parameters adopted for rating of the growth included the average height of the stems, measured from ridge top to the end of sprout, the average number of potato plant stems, the average mass of stems and leaves, the average index of stimulation rate of emergence, the ratio of the number of stems grown from a tuber to the number of eyes. The tests were carried out 50 on tubers in 3 replications. The stimulation was performed using a solenoid with induction levels of 20, 40, and 80 mT. The time of stimulation was 1 h, and the exposure doses were 1 145.9, 4 583.6, and 18 334.6 kJ m-3 s, respectively. Field experiments were carried out in three replications. The results clearly indicated a statistically significant favourable influence of magnetic induction and exposure dose on the length and number of stems, the mass of leaves and stems, and on the index of the potato germination, causing an increase of those parameters in relation to the control treatment, which demonstrates that magnetic stimulation of potato tubers has a favourable effect on the course of vegetation of above-ground parts of potato plants.
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