Cold resistance of 30 cultivars of D.kaki Thunb.and 9 accessions out of 5 Diospvros species and 1 Diospvros kaki var was evaluated by low temperature treatment with their branches and leaves.The degree of bud browning of shoots was observed and SOD enzyme activity,soluble protein,proline and MDA content from leaves were measured.A comprehensive evaluation on cold resistance for 39 persimmon germplasm resourses was given based on principle component analysis and subordinate function value analysis.The result...