Magneto-Priming of Seeds Decreases the Saline Effect of Wastewater Irrigation on Broccoli Germination and Seedling Growth
Crop plant varieties exhibit diverse reactions when subjected to wastewater irrigation in terms of seed germination, seedling development, and overall productivity. Magneto-priming, which involves treating seeds with an appropriate magnetic field, is gaining popularity as the preferred technique due to its effectiveness and environmentally friendly characteristics for improving seed vigour, growth, and plant yield. In this study, magneto-primed and non-primed broccoli seeds were irrigated with distilled or wastewater and kept under observation for a 10-day period to record seedling growth. A laboratory study was conducted to evaluate the impact of magneto-priming on broccoli seeds with a homogeneous stationary magnetic-field strength of 5.9 mT for 1 h. They were irrigated with two types of water: distilled and wastewater. Another test was performed to evaluate the effect of 1-h and 2-h magneto-priming on seed germination when seeds were irrigated with wastewater. From the results, the broccoli seedlings irrigated with distilled water grew higher and heavier than the ones irrigated with wastewater, probably due to the significant amounts of salts in organic wastewater. Nonetheless, the saline effect of wastewater was ameliorated when seeds were previously magneto-primed. All the germination parameters of broccoli seeds irrigated with wastewater were significantly reduced when seeds were magneto-primed for both periods.
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