Abstract
The effect of iron and selenium colloidal solutions on seeds was studied. The obtained results showed a different reaction of plants to treatment with solutions of nanosized iron and selenium. Onion seeds in both cases showed low germination – 15%. Colloidal iron treatment showed 100% germination of zucchini and radish seeds as in control, but an iron concentration of 10 mg/l inhibits plants. The greatest root length for beets, cucumbers and carrots was noted at a dose of nanosized iron of 1 mg/l. The root length in the experimental and control samples of zucchini and radish do not differ within the error limits. An increase in seed germination during treatment with nanosized selenium compared with the control samples was observed in onions, carrots, cucumbers, turnips, pumpkins and clarkia. Seed germination of aster was 15%, while in the control sample germination was absent. Nanopowders stimulate the processes of adaptation and self-organization of biological systems and reduce the negative impact of adverse environmental factors.
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