Abstract
A novel method based on the combination of simultaneous cold plasma treatment with Mg nanoparticles deposition, applied to Mung bean seeds by improving their quality, is presented. The SRIM simulation reveals that only the very top layer of the seeds surface can be altered by the plasma. The experimental analysis indicates surface composition changes with a polar groups formation. These groups initiate the shift of surface characteristics from hydrophobic to hydrophilic. The chemical bond analysis shows the formation of MgO and Mg(OH)2 compounds, which acts as a positive factor for seeds germination and growth. The germination experiments showed a 70% outcome with an average of 73.9 mm sprouts length after 30 min of plasma treatment compared to the initial seeds (40% outcome and 71.3 mm sprouts length).
Highlights
Mung beans are an important crop widely cultivated across Asia and some parts of America [1].According to the IMARC group, the global market of Mung beans reached an amount of 3.4 million tons in 2019 where India is a leader with 60% of the total production.The Mung beans have gained their popularity as edible sprouts due to the numerous health benefits and their high nutritional value, which include proteins, fibers, vitamins, minerals, antioxidants, and phytoestrogens [2,3]
This study focused on the theoretical and experimental analysis of Mung bean seeds surface modifications, by an implanted gaseous species from the plasma and nanoparticles, which arrive from magnesium cathodes used during the cold plasma treatment
Wea demonstrate a combination of simultaneous plasma study, we demonstrate that combination that of simultaneous non-thermal plasmanon‐thermal treatment with
Summary
Mung beans are an important crop widely cultivated across Asia and some parts of America [1]. The treatment of plant seeds surface using non-thermal plasma is one of the emerging technologies in the agriculture, which can breakdown seed dormancy, control water absorption, kill bacteria, or positively stimulate germination and growth [11]. During the non-thermal plasma treatment, plant seeds undergo only a very low stress via plasma activation and are kept intact Due to such characteristics, the plasma can induce a mild surface etching (via ions bombardment) or even enrich the seeds surface with oxygen containing functional groups [5]. Magnesium plays an important role in plants as a regulator of biochemical functions and can have a positive impact on seeds germination, as well as plant growth [24] It activates enzymes and is an essential element in the photosynthesis process.
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