1. Faculty of Agronomy, Jilin Agricultural University, Changchun 130018, China
2. Department of Biology, University of British Columbia, Kelowna, BC V5K1K5, Canada
3. Nuffield Canada, Edmonton, AB T5K 1X5, Canada
4. Heilongjiang Academy of Science, Harbin 150040, China
5. College of Information Technology, Jilin Agricultural University, Changchun 130018, China
6. College of Horticulture, Hunan Agricultial University, Changsha 410128, China
7. Department of Computing Science, Alberta Machine Intelligence Institute, University of Alberta, Edmonton, AB T6G 2R3, Canada