THE EFFECT OF BASAL-PLATE TISSUE ON THE KEEPING-QUALITY OF HYACINTH CUT FLOWERS
Experiments showed that hyacinth cut flowers with basal-plate tissue took up water more quickly during the first 30 hours of vase life than flowers without basal-plate tissue. During the first 5 hours in the vase, the water uptake of the stems with basal-plate tissue could be 5 times higher than that of stems without basal-plate tissue. This was visualized by using Ecoline (a transparent water colour) instead of water. Longitudinal sections taken after 5.5 h in Ecoline showed that stems with basal-plate tissue had taken up much more Ecoline than stems without basal-plate tissue. The difference in uptake rate of Ecoline was no longer apparent after 30 h of vase life.
These data indicate that an optimal water uptake during the first days of vase life is a major factor for enhancing the keeping-quality of hyacinth cut flowers.