Effects of Antimony Stress on Photosynthesis and Growth of Acorus calamus

Frontiers in Plant Science
Xiujie ZhouFei Liu

Abstract

This study was aimed to explore that effects of Sb on physiological parameters of Acorus calamus and the possibility of using A. calamus as a remediation plant. A. calamus potted experiments were conducted using different concentrations (0, 250, 500, 1000, and 2000 mg/kg) of antimony potassium tartrate (Sb3+) (marked as CK, T1, T2, T3, and T4, respectively) and potassium pyroantimonate (Sb5+) (marked as CK, T'1, T'2, T'3, and T'4, respectively). The effects of Sb stress (Sb3+ and Sb5+) on leaf photosynthetic pigments, biomass, photosynthetic characteristics and chlorophyll fluorescence parameters of potted A. calamus were studied. With the rise of Sb3+ concentration from T1 to T4, the leaf pigment contents (chlorophyll a, b, carotenoid), plant height, dry weight, net photosynthetic rate (Pn), stomatal conductance (Gs), evaporation rate (E), PSII maximum photochemical efficiency (Fv/Fm), and PSII electron transfer quantum yield rate (ΦPSII) of A. calamus all reduced, while intercellular CO2 concentration (Ci) significantly increased. The reduction of Pn was mainly induced by non-stomatal limitation. Chlorophyll a/b ratio increased significantly versus the control, while carotenoid/chlorophyll ratio (Car/Chl) first decreased and ...Continue Reading

References

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Citations

Jan 25, 2020·Bulletin of Environmental Contamination and Toxicology·Guiying YangChangqun Duan
Jun 18, 2020·Frontiers in Plant Science·Francisco L Espinosa-VellarinoFrancisco Espinosa
Aug 5, 2020·Environmental Science and Pollution Research International·Simranjeet SinghJoginder Singh
Mar 12, 2020·Physiology and Molecular Biology of Plants : an International Journal of Functional Plant Biology·Aadil Yousuf TantrayAltaf Ahmad
Jun 18, 2021·Environmental Science and Pollution Research International·Rajpal ShettyMarek Vaculík

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Methods Mentioned

BETA
X-ray
Fluorescence
environmental stress

Software Mentioned

SigmaPlot
SPSS

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