Excess Copper-Induced Changes in Antioxidative Enzyme Activity, Mineral Nutrient Uptake and Translocation in Sugarcane Seedlings

  • Qiaoying Zeng
  • Qiuping Ling
  • Jiayun Wu
  • Zhanduan Yang
  • Rui Liu
  • Yongwen QiEmail author


Sugarcane is a potential species for use in heavy metal remediation. To analyze the effect of excess copper on sugarcane, the biomass, mineral nutrient content and activities of antioxidative enzymes were measured under copper stress. The results revealed that the biomass of roots and shoots significantly decreased with increasing copper concentration in solution. Most copper accumulated in the roots, and the translocation factor of copper decreased with an increase in copper stress. The MDA content in sugarcane roots notably increased under copper stress. The POD activity in sugarcane roots increased, and CAT activity decreased under copper stress. The Zn, Fe and Mn contents in shoots increased significantly under 200 μmol L−1 Cu2+ treatments. The Zn and Mg contents in roots notably decreased under copper stress, while the Zn and Mg translocation factors increased. These results indicated that the increase in POD activity and the modification of mineral nutrient uptake and transfer might play an important role in reducing the detrimental effects of excess copper.


Sugarcane Copper stress Antioxidative enzyme activity Mineral nutrients 



The sugarcane was kindly provided by the Hainan Sugarcane Breeding Station.


This work was funded by the China Agricultural Research System (CARS-20-1-4), the Science and Technology Planting Project of Guangdong Province, China (2014B070705002 and 2017B030314123), the special funds of the Guangdong Academy of Science (2017GDASCX-0105), and Guangdong Provincial Team of Technical System Innovation for Sugarcane Sisal Hemp Industry.

Compliance with Ethical Standards

Conflict of interest

The authors declare that they have no conflict of interest.

Ethical Approval

All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.

Informed Consent

Informed consent was obtained from all individual participants included in the study.


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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2019

Authors and Affiliations

  • Qiaoying Zeng
    • 1
  • Qiuping Ling
    • 1
  • Jiayun Wu
    • 1
  • Zhanduan Yang
    • 1
  • Rui Liu
    • 1
  • Yongwen Qi
    • 1
    Email author
  1. 1.Guangdong Key Lab of Sugarcane Improvement and Biorefinery, Research Center for Sugarcane Industry Engineering Technology of Light Industry of China, Guangdong Provincial Bioengineering InstituteGuangzhou Sugarcane Industry Research InstituteGuangzhouChina

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