Affiliation: | 1.Experimental Centre of Forest Biology, P.O. Box 162, Beijing Forestry University, Beijing, 100083, PR China,;2.Forstbotanisches Institut, Universit?t G?ttingen, Büsgenweg 2, 37077 G?ttingen, Germany,;3.The Otto Warburg Center For Biotechnology in Agriculture, The Hebrew University of Jerusalem, Rehovot 76–100, Israel, |