Abstract
The aim of the presented studies was to evaluate the magnetic field (MF) effect on changes in some enzymes and phytohormones that takes place in the process of seed germination and growth of seedlings. Studies were led in the climatic chambers HERAEUS, on Petri dishes during six consecutive days. Pea seeds were divided into three groups from which one was the control (without stimulation) and two were treated with different doses of magnetic field (30 and 85 mT, respectively). Contents of amylolytic enzymes (AE) and phytohormones were determined at seven terms (0; 24; 48; 72; 96; 120 and 144 h) after placing them on the dishes. A favorable effect of seed stimulation with MF was found on the biochemical processes in the germinating seeds and pea seedlings. The size of changes in enzyme concentration was dependent mainly on the advancement of germination process (i.e., on length of time in which the seeds were on the dishes) and the MF treatment. The use of MF also had an effect on the increase in hormone content in the seeds and organs of seedlings, but values from objects treated with different doses did not differ significantly.
Highlights
One of the most important factors determining the plant yield is the seed material quality, which determines the emergence course, and density of plants
The aim of this study was to determine the effect of pre-sowing seed treatment with magnetic field (MF) on some amylolytic enzymes (AE) activity and phytohormone content in seeds and seedlings of pea and what impact it has on the course of germination and further growth of plants
Treating the seeds with MF caused the increase in AE activity in seeds and seedlings of pea
Summary
One of the most important factors determining the plant yield is the seed material quality, which determines the emergence course, and density of plants. Other methods of pre-sowing seed preparation are increasingly being sought for use in agricultural practice such as physical factors like, among others, stimulation of seeds with laser light [5,6,7,8] or magnetic field (MF) [9,10,11]. These factors are considered as safe for the environment and plants because an effect of their use is that seeds are stimulated to germinate, which favors better dynamic of emergence and good growth of seedlings. The same effect was observed in beans (Phaseolus sp.), wheat (Triticum aestivum L.) [17], soybean (Glicine max L.) [12], and maize (Zea mays L.) [20]
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