When the vase life of cut flower was defined as the period during which 40% or more flowers were fully open, the vase life of the
cut flowers was 8 days, from day 4 to day 11 of the incubation period in the control flowers, 9 days ranging from day4 to day12 in the flowers treated with sucrose, and 17 days from day 4 to day 21 in the flowers treated with DPSS. In addition, when the vase life was defined as the period during which 50% or more flowers were fully open, it was 6, 8 and 17 days in the control, sucrose treated and DPSS-treated flowers, respectively.