S. P. Chebotaryova, O. V. Zakharova, A. A. Gusev, G. V. Grigoriev, P. A. Baranchikov, N. S. Strekalova
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引用次数: 0
Abstract
Currently, the development of technologies to improve the efficiency of existing micropropagation techniques remains relevant. This work contains the results of studying the effects of Ag nanoparticles (NPs) of spherical shape (20–40 nm) and CuO of flocculent morphology (diameter 50 to 200 nm, thickness 10–20 nm) on brittle willow plants and the assessment of their biological effects using the method of clonal micropropagation. At the multiplication stage, Ag and CuO NPs at a concentration of 3 μg/L increase the number of surviving and sterile microclones to 100%, and the shoot height was on average 27% higher than the control at concentrations of 1.5 and 3 μg/L. At the rooting stage, an increase in the number of rooted seedlings under the influence of Ag is noted. In in vivo experiments, brittle willow seedlings treated with a Ag solution at a concentration of 3 μg/L have the best resistance to nonsterile greenhouse conditions. The number of surviving microclones is 7% higher than the control values and the number of established plants is 27% higher. The height of the plants after 3 weeks is 5.3 cm, while for the control this figure is 4.8 cm. This study shows the prospects for using the studied NPs to stimulate the growth and development of willow plants in vitro and in vivo.
期刊介绍:
Nanobiotechnology Reports publishes interdisciplinary research articles on fundamental aspects of the structure and properties of nanoscale objects and nanomaterials, polymeric and bioorganic molecules, and supramolecular and biohybrid complexes, as well as articles that discuss technologies for their preparation and processing, and practical implementation of products, devices, and nature-like systems based on them. The journal publishes original articles and reviews that meet the highest scientific quality standards in the following areas of science and technology studies: self-organizing structures and nanoassemblies; nanostructures, including nanotubes; functional and structural nanomaterials; polymeric, bioorganic, and hybrid nanomaterials; devices and products based on nanomaterials and nanotechnology; nanobiology and genetics, and omics technologies; nanobiomedicine and nanopharmaceutics; nanoelectronics and neuromorphic computing systems; neurocognitive systems and technologies; nanophotonics; natural science methods in a study of cultural heritage items; metrology, standardization, and monitoring in nanotechnology.