Metal tolerance capacity and antioxidant responses of new Salix spp. clones in a combined Cd-Pb polluted system

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Metal tolerance capacity and antioxidant responses of new Salix spp. clones in a combined Cd-Pb polluted system Read the full article https://t.co/uAP8sKtSWe #Ecotoxicology #EnvironmentalContamination
Metal tolerance capacity and antioxidant responses of new Salix spp. clones in a combined Cd-Pb polluted system Read the full article https://t.co/Ld7kTFFagH #Ecotoxicology #EnvironmentalContamination
Plant Biology

Main article text

 

Introduction

Materials & Methods

Plant material and experimental design

Determination of photosynthetic parameters and oxidative indicators

Cd and Pb analysis in plant

Statistical analysis

Results

The effects of combined stress of Cd and Pb on plant biomass

The effects of combined stress of Cd and Pb on plant photosynthesis

The effects of combined stress of Cd and Pb on plant antioxidant system

Plant bioaccumulation under combined stress of Cd and Pb

Correlation between antioxidant responses and metal tolerance capacity of willow clones under combined Cd and Pb stress

Discussion

Growth and photosynthesis of two willow clones under combined Cd and Pb stress

Protection mechanisms of two willow clones against Cd and Pb

Potential Cd and Pb accumulation capacity of two willow clones

Conclusions

Supplemental Information

Raw index data of each plot

The biomass, photosynthetic parameters, antioxidant substances and heavy metals concentration of two new salix spp. clones treated with combined Cd and Pb.

DOI: 10.7717/peerj.14521/supp-1

Abbreviations of treatment groups with corresponding Cd and Pb content

DOI: 10.7717/peerj.14521/supp-2

Additional Information and Declarations

Competing Interests

The authors declare there are no competing interests.

Author Contributions

Chuanfeng Zhang conceived and designed the experiments, performed the experiments, analyzed the data, prepared figures and/or tables, authored or reviewed drafts of the article, and approved the final draft.

Baoshan Yang conceived and designed the experiments, performed the experiments, authored or reviewed drafts of the article, and approved the final draft.

Hui Wang conceived and designed the experiments, analyzed the data, prepared figures and/or tables, authored or reviewed drafts of the article, and approved the final draft.

Xiaohan Xu conceived and designed the experiments, performed the experiments, analyzed the data, prepared figures and/or tables, and approved the final draft.

Jiaxing Shi conceived and designed the experiments, prepared figures and/or tables, and approved the final draft.

Guanghua Qin performed the experiments, prepared figures and/or tables, and approved the final draft.

Data Availability

The following information was supplied regarding data availability:

The raw measurements are available in the Supplemental Files.

Funding

This work was supported by the National Natural Science Foundation of China (grant numbers 31870606; 41877424; 32071559); the Research Leader Studio Project (grant number 2021GXRC094); the Key R & D project of Shandong Province (2021LZGC005-02), and the Fundamental Research Funds for the Central Universities, CHD (300102351505). The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.

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