About the Authors

Xibing Cao

Affiliations Institute of Paulownia, Henan Agricultural University, Zhengzhou, Henan, P. R. China, College of Forestry, Henan Agricultural University, Zhengzhou, Henan, P. R. China

Guoqiang Fan

zlxx64@126.com

Affiliations Institute of Paulownia, Henan Agricultural University, Zhengzhou, Henan, P. R. China, College of Forestry, Henan Agricultural University, Zhengzhou, Henan, P. R. China

Zhenli Zhao

Affiliations Institute of Paulownia, Henan Agricultural University, Zhengzhou, Henan, P. R. China, College of Forestry, Henan Agricultural University, Zhengzhou, Henan, P. R. China

Minjie Deng

Affiliations Institute of Paulownia, Henan Agricultural University, Zhengzhou, Henan, P. R. China, College of Forestry, Henan Agricultural University, Zhengzhou, Henan, P. R. China

Yanpeng Dong

Affiliations Institute of Paulownia, Henan Agricultural University, Zhengzhou, Henan, P. R. China, College of Forestry, Henan Agricultural University, Zhengzhou, Henan, P. R. China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: GQF XBC ZLZ MJD YPD. Performed the experiments: GQF XBC ZLZ MJD YPD. Analyzed the data: GQF XBC ZLZ MJD YPD. Contributed reagents/materials/analysis tools: GQF XBC ZLZ MJD YPD. Wrote the paper: XBC GQF.