Impact of Zinc Oxide Nanoparticles on Germination and Antioxidant System of Maize (Zea mays L.) Seedling under Cadmium Stress
Gowayed, S. (2017). Impact of Zinc Oxide Nanoparticles on Germination and Antioxidant System of Maize (Zea mays L.) Seedling under Cadmium Stress. EKB Journal Management System, 6(1), 1-11. doi: 10.21608/jpps.2017.7389
Salah Gowayed. "Impact of Zinc Oxide Nanoparticles on Germination and Antioxidant System of Maize (Zea mays L.) Seedling under Cadmium Stress". EKB Journal Management System, 6, 1, 2017, 1-11. doi: 10.21608/jpps.2017.7389
Gowayed, S. (2017). 'Impact of Zinc Oxide Nanoparticles on Germination and Antioxidant System of Maize (Zea mays L.) Seedling under Cadmium Stress', EKB Journal Management System, 6(1), pp. 1-11. doi: 10.21608/jpps.2017.7389
Gowayed, S. Impact of Zinc Oxide Nanoparticles on Germination and Antioxidant System of Maize (Zea mays L.) Seedling under Cadmium Stress. EKB Journal Management System, 2017; 6(1): 1-11. doi: 10.21608/jpps.2017.7389

Impact of Zinc Oxide Nanoparticles on Germination and Antioxidant System of Maize (Zea mays L.) Seedling under Cadmium Stress

Journal of Plant Production Sciences
Article 1, Volume 6, Issue 1, December 2017, Page 1-11  XML PDF (262.5 K)
Document Type: Original Article
DOI: 10.21608/jpps.2017.7389
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Author
Salah Gowayed
Botany Department, Faculty of A􀀟riculture, Suez Canal University, Ismailia, E􀀟ypt &Biolo􀀟y Department, Faculty of Science, University of Jedda􀀠, KSA
Abstract
T􀀠is work aimed to investi􀀟ate t􀀠e impact of Zinc oxide nanoparticles (ZnO-NPs) on t􀀠e stress induced by
Cadmium (Cd) on 􀀟rain 􀀟ermination and antioxidant system of Maize (Zea mays L.) seedlin􀀟. Germination parameters
(final 􀀟ermination percenta􀀟e (FGP), mean daily 􀀟ermination (MDG), coefficient of velocity of 􀀟ermination (CVG),
mean 􀀟ermination time MGT, 􀀟ermination index (GI), 􀀟ermination stress tolerance index (GSI), seedlin􀀟 vi􀀟or index
(SVI) as well as dry matter stress tolerance index (DMSI)), 􀀟rowt􀀠 parameters (s􀀠oot and root fres􀀠 and dry wei􀀟􀀠t),
free radicals malondialde􀀠yde (MDA) and reduced 􀀟lutat􀀠ione (GSH) concentrations, superoxide dismutase (SOD, EC
􀀛.􀀛5.􀀛.􀀛), 􀀟lutat􀀠ione reductases (GR, EC 􀀛.6.4.2), 􀀟lutat􀀠ione peroxidase (GPX, EC 􀀛.􀀛􀀛.􀀛.9) and catalase (CAT, EC
􀀛.􀀛􀀛.􀀛.6) activities were investi􀀟ated. T􀀠e results indicated t􀀠at, addition of ZnO-NPs (5􀀚􀀚 m􀀟 L-􀀛) contribute a 􀀠i􀀟􀀠ly
protection from Cd toxicity via decrease Cd concentration, MGT, MDA and promotin􀀟 induction of MDG, CVG, GSI,
SVI and DMSI, as well increasin􀀟 GSH, SOD, GR, CAT and GPX activities.
Keywords
ZnO-NPs; Cd toxicity; Germination; Antioxidant system; Maize
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