Pollen Tube Growth
Location: Outside U.S.
Date: Summer 2011
How long does a pistil tube grow? I don't mean the length,
I mean the time for it to grow.
Pollen tube growth rates can be very high, and vary according to plant species.
The following should be helpful:
Anthony R. Brach, PhD
Missouri Botanical Garden
Harvard University Herbaria
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Update: June 2012