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Authors
Yin, Jing
Sun, Lu
Li, Ying
Xiao, Jialei
Wang, Siyao
Yang, Jie
Qu, Ziyue
Zhan, Yaguang
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Article History
Received: 3 May 2019
Accepted: 24 June 2020
First Online: 12 August 2020
Ethics approval and consent to participate
: Plant materials (birch plantlets, <i>Betula platyphylla</i> Suk.) used in this study were from our lab (Forest Biological Engineering Laboratory, College of Life Science, Northeast Forestry University, Harbin, China; Professor Yaguang Zhan is the chairwomen of the laboratory; Email ExternalRef removed). All plant materials were provided free of charge. Birch plantlets used in this experiment were from tissue culture plantlets in our laboratory, its not endangered materials or species.
: Not applicable.
: The authors declare that they have no competing interests.
