Microwave lupine seeds treatment modes on the germination ability

Abstract

Electric, magnetic and electromagnetic fields can be successfully applied in various processes of agricultural production. To improve the sowing properties, seeds of various crops are subjected to special treatment. Research shows that treating seeds with the energy of electromagnetic fields also increases the germination capacity of seeds. However, the effect of treatment depends on the level of influencing factors. Therefore, it is very important to observe the correct treatment regimes (exposure parameters). The article presents the results of experimental studies to assess the influence of the microwave power intensity and exposure duration onto the sowing properties of lupine seeds. Based on the processing of experimental data, regression equations were obtained that take into account the effect of the magnitude of the specific microwave power of exposure and exposure on the ability of lupine seeds to germinate. The experiment showed that with the help of microwave treatment it is possible to obtain not only the effect of stimulation, but also the inhibition of plant growth. Regimes have been also identified in which seeds are insensitive to microwave treatment. At the same time, modes have been identified in which a stimulating effect manifested itself, as well as areas of insensitivity and negative impact. At the same time, it can be unambiguously asserted that an increase in exposure to microwave exposure is most pronounced at higher values of specific microwave power. Compared to the results of processing wheat seeds, to stimulate lupine seeds, it is necessary to provide higher values of the specific power of microwaves and exposure. The best processing result was obtained at a specific power level of 1.17 kW/kg and an exposure of 60 s. Therefore, this mode can be recommended for pre-sowing microwave treatment of lupine seeds.