The pre-treatment solution with 40 g/L sucrose + 300 mg/L 8-HQC + 60 mg/L Al2 (SO_4)_3 + 100 mg L GA_3 was tested in fresh preservation of lily cutting flowers. The results showed that the solution could improve the quality of cutting flowers and prolong 3 d of its vase-holding life by increasing fresh weight, content of soluble sugar and protein of the petals, improving water balance in cutting flowers, raising its P...