Biological activity of humic acid preparations in the form of nanoscale particles in the hydroponic culture of Triticum aestivum seedlings
2018
In the hydroponic culture of T aestivum the biological activity of humic acid HA preparations in the form of nanoparticles of different sizes were studied When cultured on media containing HA preparations the content of carbonylated proteins malonic aldehyde and proline which are the markers of induced oxidative stress increased in the roots of the day seedlings The oxidative stress induced by HA was accompanied by an increase in the number of free border cells and the size of the mucilage cup in the root apex of the day seedlings but destructive changes in the root apex and root growth inhibition were not observed The effects of HA preparations were dose dependent and varied significantly depending on the size of the HA nanoparticles
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