Glutathione Alleviates Chromium Stress in Helianthus annuus Irrigated with Tannery Wastewater
Authors:Mallhi, Ali ImranChatha, Shahzad Ali ShahidAli, ShafaqatGulzar, TehsinRizwan, MuhammadRehman, Muhammad Zia UrShahid, Muhammad RizwanAyub, Muhammad AsharMallhi, Zahid Imran
Source:INTERNATIONAL JOURNAL OF AGRICULTURE AND BIOLOGY
Volume:22
Published:2019
Document Type:Article
Abstract:Heavy metals pollution is a widespread problem in the present era and untreated wastewater being released from tanneries has huge amount of these toxins especially chromium (Cr). Untreated tannery wastewater is being fed to agriculture lands in Pakistan leading to huge safety concerns regarding Cr accumulation in soil, plants and its encounter with human. In this study, sunflower was grown as a test crop to evaluate the effect of glutathione (GSH) to cope with Cr stress. The GSH was applied as foliar application in 3 concentrations (0, 12.5 and 25 mg L-1) along with 5 levels of untreated sewage water (containing 329 mg L-1 Cr VI) irrigation at 0, 25, 50, 75 and 100% concentration. Irrigation with untreated waste water severely affected growth (root and shoot dry weights, plant height and root length) and biochemical parameters [antioxidants, amino acid and ascorbic acid contents, malondialdehyde (MDA) and H2O2 contents] of sunflower. The foliar application of GSH significantly improved the growth and biochemical parameters of sunflower subjected to Cr stress. Higher application rate of GSH (25 mg L-1) significantly increased the chlorophyll contents and plant growth parameters along with substantial cut in Cr uptake, amino acid contents, MDA and H2O2 contents at all levels of wastewater application. In conclusion, the foliar application of GSH counteracted the damaging effects of sewage water contaminated with Cr and improved sunflower growth. (C) 2019 Friends Science Publishers
Author Information
Corresponding Author:
Reprint Address:Ali, S (corresponding author), Govt Coll Univ, Dept Environm Sci & Engn, Faisalabad 38000, Pakistan.; Rehman, MZU (corresponding author), Univ Agr Faisalabad, Inst Soil & Environm Sci, Faisalabad 38040, Pakistan.
Addresses:[Mallhi, Ali Imran; Chatha, Shahzad Ali Shahid; Gulzar, Tehsin] Govt Coll Univ, Dept Appl Chem, Faisalabad 38000, Pakistan. [Ali, Shafaqat; Rizwan, Muhammad; Mallhi, Zahid Imran] Govt Coll Univ, Dept Environm Sci & Engn, Faisalabad 38000, Pakistan. [Rehman, Muhammad Zia Ur; Shahid, Muhammad Rizwan; Ayub, Muhammad Ashar] Univ Agr Faisalabad, Inst Soil & Environm Sci, Faisalabad 38040, Pakistan.
E-mail Addresses:shafaqataligill@gcuf.edu.pk; ziasindhu1399@gmail.com