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what are the effects of sugar water on cut flower stem?
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The sugar placed in the vase solution is used by cut
flowers for energy as a substitute for the sugars normally
produced by photosynthesis. Photosynthesis in cut flowers
is minimal because of the low light levels in our homes and
because many of the leaves are often removed. Cut flowers
can absorb the sugar solution through their xylem because
the base of the stem has been cut open. This is different
from the normal situation where the stem is attached to the
roots, and roots absorb all the water. Not all cut flowers
may benefit from sugar and may be injured if the sugar
concentration is too high. Use of sugar is highly
recommended for cut roses and snapdragons.
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