biologia plantarum

International journal on Plant Life established by Bohumil Němec in 1959

Biologia plantarum 57:587-590, 2013 | DOI: 10.1007/s10535-013-0318-0

Effects of cadmium on growth, photosynthetic rate and chlorophyll content in leaves of soybean seedlings

Z. -C. Xue1,2,3,4, H. -Y. Gao1,2,*, L. -T. Zhang1,2
1 State Key Laboratory of Crop Biology, Shandong Agricultural University, Tai'an, P.R. China
2 College of Life Sciences, Shandong Agricultural University, Tai'an, P.R. China
3 Forestry School, Shandong Agricultural University, Tai'an, P.R. China
4 Luanping County Agricultural and Animal Husbandry Bureau, Chengde, P.R. China

Cadmium is a widely spread pollutant and the objective of this study was to study the effects of different concentrations of Cd (0, 50, and 100 μM) on the soybean seedlings treated for 10 d. The growth was inhibited and chlorophyll content, net photosynthetic rate, stomatal conductance, intercellular CO2 concentration, probability that a trapped exciton moves an electron into the electron transport chain beyond QA - (ETO/TRO), performance indexes (PIABS), and amount of active reaction centres per excited cross section (RC/CSO) were decreased with the increasing Cd concentration. The leaf reflectance increased in visual range (500-670 nm) and decreased in near-infrared range (750-1 000 nm). The accumulation of Cd in the roots was much higher than that in the stems and leaves.

Keywords: chlorophyll fluorescence; Glycine max; reflectance; stomatal conductance
Subjects: cadmium; chlorophyll; chlorophyll fluorescence; leaf reflectance; net photosynthetic rate; carbon dioxide concentration; stomatal conductance; growth; soybean

Received: May 5, 2011; Accepted: November 22, 2012; Published: September 1, 2013  Show citation

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Xue, Z.-C., Gao, H.-Y., & Zhang, L.-T. (2013). Effects of cadmium on growth, photosynthetic rate and chlorophyll content in leaves of soybean seedlings. Biologia plantarum, 57(3), 587-590. doi: 10.1007/s10535-013-0318-0
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