Published in Scientific Papers. Series B, Horticulture, Vol. LXVIV, Issue 2
Written by Roxana Ioana GABOR ILIESCU, Elena DOBRIN, Adrian PETICILĂ, Elena Maria DRĂGHICI
Electromagnetic fields can influence plant growth and development, with their effects depending on frequency, intensity, and exposure duration. Research conducted so far has highlighted both positive and negative effects. Regarding the beneficial effects, exposure to low-frequency fields has been associated with faster seed germination, stimulation of stem and root growth, and increased biomass accumulation. Additionally, these fields can activate metabolic processes by increasing the levels of plant hormones (auxins, gibberellins) and improving enzymatic activity, supporting the overall health of plants. On the other hand, prolonged or intense exposure can lead to negative effects, such as oxidative stress caused by an excess of reactive oxygen species (ROS), which can damage cells. Some studies show growth inhibition, manifested by reduced root and stem length, as well as a decrease in chlorophyll content, which affects photosynthetic efficiency. The aim of this study is to analyze the impact of different wavelengths on the growth of vegetable plants, in order to identify optimal electromagnetic conditions that could enhance agricultural productivity and reduce associated risks.
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