title: In memory of Professor Ping Wu (1957-2014).
authors.affiliation: College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing, China.
authors.forename: Guohua
authors.initials: G
authors.lastname: Xu
authors.forename: Dong
authors.initials: D
authors.lastname: Liu
mesh_terms: D049673:History, 20th Century; D049674:History, 21st Century; D010944:Plants; D012108:Research Personnel; D014495:Universities