CuO Nanoparticle-Mediated Seed Priming Improves Physio-Biochemical and Enzymatic Activities of Brassica juncea
Author:
Faraz Ahmad1ORCID, Faizan Mohammad2ORCID, D. Rajput Vishnu3ORCID, Minkina Tatiana3ORCID, Hayat Shamsul4, Faisal Mohammad5ORCID, Alatar Abdulrahman A.5, Abdel-Salam Eslam M.6ORCID
Affiliation:
1. Department of Biotechnology, School of Life Sciences, Glocal University, Saharanpur 247121, India 2. Botany Section, School of Sciences, Maulana Azad National Urdu University, Hyderabad 500032, India 3. Academy of Biology and Biotechnology, Southern Federal University, 344006 Rostov-on-Don, Russia 4. Plant Physiology Section, Department of Botany, Aligarh Muslim University, Aligarh 202002, India 5. Department of Botany & Microbiology, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia 6. Plant Molecular Biology, Faculty of Biology, Ludwig-Maximilians-University Munich, 82152 Planegg, Germany
Abstract
The use of nanoparticles (NPs) in agricultural fields has risen to a level where people are considering NPs as an alternative to commercial fertilizers. The input of copper oxide NPs (CuO NPs) as seed primers was investigated in this study, and the growth indices of Brassica juncea such as phenotypic parameters, photosynthetic attributes, and biochemical parameters were measured during maximum vegetative growth stage, i.e., at 45 days after sowing. Surface sterilized seeds were soaked in varying concentrations (0, 2, 4, 8 and 16 mg/L) of CuO NPs for 15, 30, and/or 45 min. After those priming periods, the seeds were planted in pots and allowed to grow naturally. Among the different tested concentrations of CuO NPs, 4 mg/L of CuO NPs for 30 min seed priming proved to be best, and considerably increased the, shoot length (30%), root length (27%), net photosynthetic rate (30%), internal CO2 concentration (28%), and proline content (41%). Besides, the performance of the antioxidant enzymes, viz, superoxide dismutase, catalase, peroxidase, and biochemical parameters such as nitrate reductase and carbonic anhydrase were also increased by several folds after the application of CuO NPs in B. juncea. The present study suggests that CuO NPs can be effectively used to increase the performance of B. juncea and may also be suitable for testing on other crop species.
Funder
King Saud University, Riyadh, Saudi Arabia
Subject
Plant Science,Ecology,Ecology, Evolution, Behavior and Systematics
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