Concerning the role of sucrose whether with 8-HQS or STS,
the previous results show that adding sucrose extended the
vase life and improved the quality of snapdragon cut flowers.
Adding a carbohydrates source such sucrose to the holding
solution resulted in an extension of vase life if growth of microorganisms
was controlled, and the increased flower longevity
in the acidic solutions was due to the inhibition of vascular
blockage and increased water absorption (Marousky, 1972).
Dissolved sugars in cells of petals are osmotically active substances
that are drawn into the corolla-cells making the cells
turgid with hydrolyzed sugars ready for respiration