Application of magnetic treatment on seed for the viability recovery.
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Abstract
An experimental study of the magnetic treatment effects on seeds, to be applied for the viability recovery, is carried out in this paper. Plant species with relatively low values of seed viability were used: bean (Phaseolus vulgaris L.), Cv:CC-25N, asparagus bean (Vigna unguiculata (L.) Walt) Cv:Escambray 8-5 and tomato (Lycopersicon esculentum Mill.) Cv:INIFAT-28V. The treatments were applied at magnetic induction 75, 100, 125, 150, 175, 200 and 225 mT, at 1 and 2 minutes of exposure. The germination rehearsals were carried out seven days later regarding sowing in petri dishes with three replies of 50 seeds in each one and the non- parametric Duncan test was applied (a<0.05). Sesame seeds (Sesamum indicum L.), Cv: Aceitero to 100% germination were selected to the evaluation of magnetic treatment effects on the viability loss curve regarding the storage period. The studied cultivars manifested significant germination increments to regard the control. Stimulating effects of magnetic treatment on germination, regarding the control at a short term, were evidenced in the viability curves regarding the storage period, while
a significant inhibition at long term, was obtained. The water content evaluations on treated and control seeds during the aging showed significant differences, which support the hypothesis about permeability increments of water inside of the seed tissue due to magnetic field action.
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References
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