[Objective] The purpose was to study the effects of salt stress on seed germination characteristic and the cell protection enzyme activities in melon seedlings.[Method] With the seeds of 3 kinds of melon varieties as the tested materials,5 gradient treatments were sup up for the mixed salt solution.The tested seeds were first soaked in cool water for 24 h for germination and then added with equal amount of treating solution for salt stress.The germination rate,germination viability,and the activities of SOD...