Based on field investigations and analysis of the natural distribution of Castanea mollissima in P. R. China, 90 varieties of 9 populations of C.Mollissima (Beijing, Hebei, Shandong, Zhejiang, Shanxi, Hubei, Henan, Jiangsu, and Anhui) were selected and investigated. Genetic diversities were evaluated and compared at two levels of morphology(i.e., leaf and nut for 9 populations) and DNA fingerprint(AFLP analysis on 6 populations) . The study was undertaken to identify chestnut(Castanea mollissima) material o...