Institution: | (1) Forage Improvement Division, The Samuel Roberts Noble Foundation, 2510 Sam Noble Parkway, Ardmore, OK 73401, USA;(2) Boyce Thompson Institute for Plant Research, Tower Road, Ithaca, NY 14853-1801, USA;(3) Present address: College of Agronomy, Hebei Agricultural University, Baoding, 071001, China |