supported by the National Natural Science Foundation of China(Grant No.32170236 and 31501333);the Natural Science Foundation of Hebei Province(Grant No.C2020209064);the Project of Youth Fund for National Natural Science Foundation of China(Grant No.32001791);the Tangshan Science and Technology Planning Project(Grant No.20150209C);the innovation and entrepreneurship training program for college students of North China University of Science and Technology(Grant No.X2019256).
Chinese mahogany(Toona sinensis) is of considerable medical and economic importance, and its genome has been deciphered. However, the process underlying its polyploidy is unclear, and the chromosomal evolutionary traj...