About the Authors

Yong Guo

Affiliation National Key Facility for Crop Gene Resources and Genetic Improvement (NFCRI)/Institute of Crop Science, Chinese Academy of Agricultural Sciences, Beijing, P. R. China

Li-Juan Qiu

qiulijuan@caas.cn

Affiliation National Key Facility for Crop Gene Resources and Genetic Improvement (NFCRI)/Institute of Crop Science, Chinese Academy of Agricultural Sciences, Beijing, P. R. China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: YG LJQ. Performed the experiments: YG. Analyzed the data: YG LJQ. Contributed reagents/materials/analysis tools: YG. Wrote the manuscript: YG LJQ.