Aya Azzam (1)*, Aya Kanawaty(1), and Imad aldeen AlKhalaf(1)
(1) Dept. of Biology, Faculty of science, Aleppo University, Aleppo, Syria.
(*Corresponding author: Aya Azzam , E-mail: aya.azzam151094@gmail.com)
Received:1/06/2021 Accepted:17/01/2022
Abstract:
Heavy metals are among the most dangerous soil pollutants, including the element chromium, which affects the plant, leading to inhibition plant height and root growth, in addition to ability to low biomass and leaf area. This research was conducted in the Laboratory of Pollution and Plant environment in department of Plant biology, Faculty of sciences, University of Aleppo. The aim of this research is to study of indicators of vegetative growth of Zea Mays L plant under the influence of chromium. The plants were treated with a series of graduated concentrations of potassium dichromate and chromium trioxide (50-100-200-400) mg /l. The Vegetative growth indicators represented by plant height, root system lengths, wet and dry vegetative and root weights and leaf area were studied. Where all the indicators decreased in all the studied concentrations of both valences, and the lowest values of these indicators were recorded at the concentration of 400 mg / L for both hex and trivalent chromium.
Keywords: Chromium, K2Cr2O7, Cr2O3, potassium dichromate, chromium trioxide, Zea mays.
Full paper in Arabic: pdf