AI Article Synopsis
- This study examines how heavy metal contamination affects the crop productivity and quality of Brassica juncea L. cv. Pusa bold, demonstrating that while metals are translocated to leaves, oil yield remains mostly unaffected except with high levels of chromium (Cr) and arsenic (As(V)).
- The research found that oil content notably decreased in plants treated with arsenic (As(V)) in a dose-dependent manner, with the most significant reduction linked to chromium (Cr) treatment, indicating its higher toxicity.
- Although the plants showed some accumulation of metals, levels were generally below detection in seeds from certain concentrations of As(III), Cr(VI), and As(V), suggesting that these treated plants can still be used for oil
Article Abstract
In agricultural fields, heavy metal contamination is responsible for limiting the crop productivity and quality. This study reports that the plants of Brassica juncea L. cv. Pusa bold grown on contaminated substrates [Cu, Cr(VI), As(III), As(V)] under simulated field conditions have shown translocation of metals to the upper part and its sequestration in the leaves without significantly affecting on oil yield, except for Cr and higher concentration of As(V), compared to control. Decrease in the oil content in As(V) treated plants was observed in a dose dependent manner; however, maximum decrease was recorded in Cr treated plants. Among all the metal treatments, Cr was the most toxic as evident from the decrease in oil content, growth parameters and antioxidants. The accumulation of metals was below the detection limit in the seeds grown on 10 and 30 mg kg(-1) As(III) and Cr(VI); 10 mg kg(-1) As(V)) and thus can be recommended only for oil cultivation.
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| http://dx.doi.org/10.1016/j.ecoenv.2010.06.025 | DOI Listing |
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