CORN SEED PREPARATION BY ELECTROMAGNETIC RADIATION IN DIFFERENT MODES AS A WAY OF YIELD INCREASE

Keywords: electromagnetic radiation, wavelength, phytochrome, agricultural crops, corn, biopotential, seed treatment, productivity, agrotechnology

Abstract

The article analyzes the impact of electromagnetic radiation (EMR) in the red (660 nm), blue (460 nm) ranges, and combined exposure, during 10 and 30 minutes for each type of exposure. The most common agricultural crops – corn, were chosen for the experiments. Unirradiated seeds were used as a control. The energy of germination and laboratory germination and additionally the length of roots and seedlings were studied. The obtained results showed that the most significant effect on the energy of germination and laboratory germination had a variant of the combined action of both the red and blue ranges for 30 minutes. This mode of treatment in laboratory conditions that shows the possibilities of activating the biopotential of seeds. Thus, it is the activation of a group of different photoreceptors, both and phytochromes and cryptochromes, that is most effective. Treatment for 10 minutes had almost no effect with all wavelengths. This may be due to the fact that the effect of EMR has a prolonged effect and may be showed later. Germination energy and germination are studied at the initial (first week) stage of growth. In the comparison of different agricultural crops used in the experiment, the most noticeable effect was found in the case of corn. This can be explained, first of all, by the size of the seed, which is the largest in corn, and therefore has the largest surface area. In second place are wheat and rapeseed, for which the difference with the control. Secondly, the discovered fact can be explained by the features of biochemical processes, in particular their speed, which requires further study. Overall, the increase in laboratory similarity in seed germination energy, which is insignificant in laboratory conditions, but can have a significant effect in field research conditions, taking into account weather conditions and other growing factors. No pattern of changes in the indicators of the length of roots and sprouts was found in all variants of the experiment. This may indicate the insensitivity of this indicator to EMRV treatment.

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Published
2022-12-10
How to Cite
Pankova, O. V., Sirovitskiy, K. G., Kharchenko, S. O., Onychko, V. I., Tarelnyk, V. B., & Dumanchuk, M. Y. (2022). CORN SEED PREPARATION BY ELECTROMAGNETIC RADIATION IN DIFFERENT MODES AS A WAY OF YIELD INCREASE. Bulletin of Sumy National Agrarian University. The Series: Mechanization and Automation of Production Processes, (2(48), 50-55. https://doi.org/10.32845/msnau.2022.2.7

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