Impact of Green Synthesized Metal Oxide Nanoparticles on Seed Germination and Seedling Growth of Vigna radiata (Mung Bea
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Impact of Green Synthesized Metal Oxide Nanoparticles on Seed Germination and Seedling Growth of Vigna radiata (Mung Bean) and Cajanus cajan (Red Gram) Pooja Rani1 · Gurjot Kaur1 · K. Venkateswara Rao2 · Jagpreet Singh1 · Mohit Rawat1 Received: 18 March 2020 / Accepted: 16 April 2020 © Springer Science+Business Media, LLC, part of Springer Nature 2020
Abstract The present study emphasis on the synthesis of zinc oxide (ZnO) and magnesium oxide (MgO) nanoparticles (NPs) via a simple, eco-friendly and low-cost approach. The Aloe barbadensis Mill (Aloe-Vera) leaf extract was employed as a source of capping and reducing agents for the synthesis of ZnO and MgO NPs. The synthesized ZnO and MgO NPs were confirmed by various techniques such as UV–Visible, scanning electron microscopy, tunneling electron microscopy and X-ray diffraction. TG/DTA analysis deciphers the thermal decomposition and weight loss of synthesized metal oxides NPs. Further, the influence of as-synthesized NPs on seed germination, root, and shoot, fresh and dry biomass parameters of Vigna radiata (mung bean) and Cajanus cajan (red gram) seeds was assessed. A significant increment in the germination rate of MgO and ZnO NPs treated seeds was observed relative to water treated seeds (control). Moreover, chlorophyll content was also examined to validate the seed germination potential of synthesized NPs. Therefore, this study provides a positive step towards the development of inorganic nanomaterials via the green approach and their applications as green agrochemicals.
* Jagpreet Singh [email protected] * Mohit Rawat [email protected] 1
Department of Nanotechnology, Sri Guru Granth Sahib World University, Fatehgarh Sahib, Punjab 140406, India
Centre of Nanoscience and Technology, Institution of Science and Technology, Jawaharlal Nehru Technological University, Hyderabad 500085, India
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Vol.:(0123456789)
Journal of Inorganic and Organometallic Polymers and Materials
Graphic Abstract
Keywords Metal oxide nanoparticles · Green synthesis · Seed germination · Vigna radiata · Cajanus cajan
1 Introduction Nanotechnology is a highly cropping up field that deals with the engineering of matter with a minimum one dimension over the scale of 1 to 100 nm [1]. The high ratio of surface to volume and superior surface reactivity attributed by the tiny size of nanoparticles enhances their behavior for various applications as a contrast to their bulk analogs [2]. The metal oxide nanoparticles possess properties like high electrical conductivity, high transmittance, and chemical stability and large bandgap [3–6], thus increasing their capability as a candidate for a variety of applications like sensor fabrication, self-cleaning technology, photocatalysis, solar cells, and data storage devices [7–12]. However, their use requires attention since they are ultimately entering into our environment. Thus, it is vital to perform experimentation for examining the impact
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of these nanoparticles in plants. Among these metal oxide nanoparticles, zin
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