the Ministry of Science and Technology of the People’s Republic of China(Grant No.2016YFD0101001);the China National Science Foundation(Grant Nos.31371282 to XW,31510333 to JW,and 31661143009 to XW);the Natural Science Foundation of Hebei Province(Grant No.C2015209069 to JW);Tangshan Key Laboratory Project to XW。
Lycophytes and seed plants constitute the typical vascular plants.Lycophytes have been thought to have no paleo-polyploidization although the event is known to be critical for the fast expansion of seed plants.Here,ge...
supported by the National Key Research and Development Program of China(Grant No.2016YFD0100307 and 2018YFD1000800);the National Natural Science Foundation of China(Grant No.31722048 and 31630068);the Science and Technology Innovation Program of the Chinese Academy of Agricultural Sciences;the Key Laboratory of Biology and Genetic Improvement of Horticultural Crops,Ministry of Agriculture,P.R.China。
The prevalence and recurrence of polyploidization in plant species make it one of the most important evolutionary events in plants, and as a result, polyploidization is an extensively investigated research field. Due ...
supported by the National Natural Science Foundation of China(Grant No.30670146);the National Infrastructure of Natural Resources for Science and Technology(Grant No.2005DKA21403)
In the present study, the karyotypes of 34 populations belonging to 11 species and one variety of Heracleum from the Hengduan Mountains in China were examined. Chromosome numbers and the karyotypes of three species (...