Physiological effects of 6-BA and KT on senescence of cut carnation (Dianthus caryophyllus) flowers were studied. The result indicated, 6-BA and KT could improve water balance, increase fresh weight and diameter of cut flowers, inhibit POD activity, delay the degradation rate of protein, the enhancement of MD A contents and the composition rate of O2̇̄ during vase-holding of cut flowers...