Damage suffered by swamp morning glory (Ipomoea aquatica Forsk) exposed to vanadium (V)

Environmental Toxicology and Chemistry
Ting ChenJin-Yan Yang

Abstract

To elucidate the physiological and morphological responses generated by vanadium (V) in plants, hydroponic culture experiments were performed with swamp morning glory (Ipomoea aquatica Forsk) exposed to 0 mg L(-1) to 2.50 mg L(-1) pentavalent V [V(V)] in Hoagland nutrient solutions. The concentration of chlorophyll a, chlorophyll b, and carotene peaked at a V(V) concentration of 0.05 mg L(-1) and gradually decreased at higher V(V) concentrations. Similarly, the plant biomass was stimulated at low levels of V(V) and was inhibited when V(V) concentrations exceeded 0.1 mg L(-1). Pentavalent V had negative effects on the uptake of phosphorus (P) by roots, shoots, and leaves. The biological absorption coefficients of V of the roots were higher than those of the aerial parts. Under low concentrations of V(V) exposure, the predominant species of V in the aerial parts was tetravalent V [V(IV)], whereas V(V) became more prevalent when concentrations of V(V) in the solution was higher than 0.50 mg L(-1). In the roots, however, the concentrations of V(V) were always higher than those of the V(IV), except in the control group. Organelles in the V(V)-treated leaves were distorted, and the periplasmic space became wider. These results indica...Continue Reading

References

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Feb 13, 2014·The Science of the Total Environment·Yu QianQingzhi Zhu
Feb 25, 2015·Bulletin of Environmental Contamination and Toxicology·Jin-Yan Yang, Ya Tang

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Citations

Mar 14, 2020·Environmental Science and Pollution Research International·Jin-Yan YangBin Wang
Oct 24, 2020·Journal of Hazardous Materials·Li ChenJin-Yan Yang
Jul 4, 2021·Bulletin of Environmental Contamination and Toxicology·Chun-Dan GanJin-Yan Yang
Sep 12, 2021·Environmental Science and Pollution Research International·Zhen-Zhong WuZong-Qian Jia

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