leaf marking

Kathleen Archer Kathleen.Archer at MAIL.CC.TRINCOLL.EDU
Wed Dec 3 08:39:10 EST 1997


Does anyone have a good method for marking positions on growing leaves?
I'm planning some simple leaf growth measurement experiments for first year
students, and every non-water soluble marking pen I have seems to damage
the tissue (i.e. Sharpie-type pens). Any ideas would be much appreciated.
Kathleen Archer



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