The effect of selected chemical agents used as preservative solutions to improve the keeping
quality of cut snapdragon (Antirrhinum majus L. cv. Yellow Butterfly) flowers had been studied.
These preservative solutions (treatments) were: 2% sucrose, 200 ppm 8-hydroxyquinoline sulfate (8-
HQS), pulsing treatment with 200 ppm 8-HQS in combination with 2% sucrose for 12 h, pulsing the
spikes with 0.2 mM silver thiosulfate (STS) for 1 h, pulsing with 0.2 mM STS for 1 h followed by
2% sucrose solution, or distilled water used as control