Application of Silver and Copper Oxide Nanoparticles As Growth Stimulants for Willow Plants Obtained by the Method of Clonal Micropropagation

IF 0.8 Q3 Engineering
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.

Abstract Image

纳米氧化银和氧化铜在无性系微繁法制备柳树上的应用
目前,开发提高现有微繁殖技术效率的技术仍然具有现实意义。本研究采用克隆微繁殖方法,研究了球形(20-40 nm)Ag 纳米粒子(NPs)和絮状(直径 50 至 200 nm,厚度 10-20 nm)CuO 对脆柳植物的影响,并评估了它们的生物效应。在繁殖阶段,浓度为 3 μg/L 的 Ag 和 CuO NPs 能使不育微克隆的存活数量增加到 100%,在浓度为 1.5 和 3 μg/L 时,芽高平均比对照高 27%。在生根阶段,在 Ag 的影响下,生根苗的数量有所增加。在活体实验中,用浓度为 3 μg/L 的银溶液处理的脆柳幼苗对无菌温室条件的抵抗力最强。存活的微克隆数量比对照值高 7%,成活植株数量高 27%。3 周后植株高度为 5.3 厘米,而对照组为 4.8 厘米。这项研究表明,利用所研究的 NPs 在体外和体内刺激柳树植物的生长和发育具有广阔的前景。
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来源期刊
Nanotechnologies in Russia
Nanotechnologies in Russia NANOSCIENCE & NANOTECHNOLOGY-
CiteScore
1.20
自引率
0.00%
发文量
0
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.
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