Abstract
The aim of this study was to examine the influence of electrostatic fields on seed vigor (VI), mean rate of germination (MGR) and coefficient of velocity of germination (CVG) of five soybean genotypes. Testing was conducted at the Novi Sad Institute of Field and Vegetable Crops on the seeds of five soybean varieties: Sava, NS 2024, NS 1347, NS 3127, and NS Blackstar. The seeds were exposed to different voltages of direct current (DC): 0 V (control), 3 V, 6 V and 9 V, to which the seeds were exposed for 0 min (control), 1 min and 3 min. The application of DC can be a suitable method for improving VI, MGR and CVG. In addition, the results indicate that it is necessary to adjust the DC treatment (voltage and duration of exposure of seeds) to a particular genotype, since inadequate treatments may deteriorate the quality of seeds.
Highlights
Soybean is one of the oldest cultivated plants that has been used in human nutrition for 5,000 years
The batteries were connected in a parallel connection so that the voltage value at the ends of the electrodes was independent of the resistance created by the soybean seed introduced between the electrodes, i.e., into the electrostatic field
ANOVA was carried out considering as main factors: genotype (Gen), the strength of electrical field (EF), and exposure time (ET), and their interactions (Table 1)
Summary
Soybean is one of the oldest cultivated plants that has been used in human nutrition for 5,000 years. It was only with the development of maritime traffic in the 18th century AD that soybeans slowly became known to other civilizations and appeared in botanical gardens in Europe and America (Takhtajan, 2009). The viability of seeds significantly affects the germination, growth and development of plants in the initial stages. As well as the biological processes of seeds, can be accelerated or inhibited by electric fields. Electrostatic treatment is assumed to enhance seed vigour by influencing the biochemical processes which involve free radicals, and by stimulating the activity of proteins and enzymes (Morar et al, 1999). Zlatica et al./ The Effect of Electrostatic Field on Soybean Seed Germination Parameters rate of germination and coefficient of velocity of germination of five soybean genotypes
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