Alleviation of cadmium accumulation in maize (Zea mays L.) by foliar spray of zinc oxide nanoparticles and biochar to contaminated soil

Environmental Pollution
Muhammad RizwanMuhammad Imran

Abstract

Due to the increase in area of cadmium (Cd)-contaminated soils worldwide, effective measures are necessary to minimize the Cd accumulation in cereals including maize (Zea mays L.) plant. A study was therefore performed to explore the effectiveness of foliar spray of zinc oxide (ZnO) nanoparticle (NPs) alone (0, 50, 75, 100 mg/L) or combined with soil application of biochar (1.0% w/w) on biomass, antioxidant enzyme activity and Cd concentrations in maize plants grown on a Cd-contaminated soil. The results depicted that ZnO NPs alone or in combination with biochar improved the height of maize plants, number of leaves, shoot and roots dry biomass, chlorophyll concentrations and gas exchange attributes. All the amendments reduced the electrolyte leakage, malondialdehyde, and hydrogen peroxide contents while improved the activities of antioxidant enzymes in leaf and roots of maize over the control. The application of 50, 75 and 100 mg/L ZnO NPs reduced the Cd contents in shoots by about 12%, 23, and 61%, and in roots by 18%, 33%, and 53%, respectively, over the control. The Cd concentrations in shoot decreased by 15%, 28%, and 68% and in roots by 14%, 35, and 55% after biochar combined with foliar spray of 50, 75 and 100 mg/L ZnO NP...Continue Reading

Citations

May 10, 2020·Environmental Science and Pollution Research International·Fan WuWenling Ye
Jun 24, 2019·Environmental Science and Pollution Research International·Muhammad ImranMuhammad Rizwan
May 16, 2019·Environmental Science and Pollution Research International·Zahra Saeed KhanMuhammad Adrees
Jun 15, 2020·Environmental Science and Pollution Research International·Azka IftikharAfzal Hussain
Apr 18, 2020·Environmental Science and Pollution Research International·Arooj BashirMuhammad Farooq Qayyum
Mar 17, 2020·Environmental Science and Pollution Research International·Shuming LiuJun Fang
Mar 12, 2020·Physiology and Molecular Biology of Plants : an International Journal of Functional Plant Biology·Abbu ZaidQazi Fariduddin
Oct 12, 2020·Environmental Science and Pollution Research International·Xinqi WangBai Qing Tie
Mar 9, 2020·The Science of the Total Environment·Naga Raju MaddelaMallavarapu Megharaj
Feb 21, 2021·Journal of Hazardous Materials·Liang WangFenghua Zhao
Mar 28, 2021·Ecotoxicology and Environmental Safety·Muhammad ArshadMohammed Nasser Alyemeni
Jun 22, 2021·Ecotoxicology and Environmental Safety·Muhammad RizwanJörg Rinklebe
Jul 18, 2021·Ecotoxicology and Environmental Safety·Imran KhanLinkai Huang
Aug 14, 2021·Ecotoxicology and Environmental Safety·Xiaoming QinXuecheng Sun
Aug 15, 2021·Environmental Science and Pollution Research International·Mo HongWang-Wang Tang
Feb 1, 2020·Journal of Agricultural and Food Chemistry·Lijuan ZhaoRong Ji
Aug 29, 2021·Colloids and Surfaces. B, Biointerfaces·Mirjana PetronijevićNataša Đurišić-Mladenović

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