We initiated research studies on the postharvest physiology of cut flowers almost 20 years ago, when the floriculture industry in Poland began to grow. At that time, like most flower growers in our country, we discovered cut flowers preserve their good appearance longer if kept in a vase with water rather than in dry storage. We then began intensive reading of various horticultural and other specialty journals, and we learned that many scientists had made the same dis- covery long before and had gone even further, showing that sucrose and certain chemicals added to the vase water prolong the...