Lab # ___ Transpiration. Text Pages: 746-748. Procedure I. Attach the water-filled syringe to the small tubing. Prime the potometer by adding water ( slowly ) with the syringe until the level of the water forms a bead on the top of the longer tubing side.
Text Pages: 746-748
***check to insure that the tubing side is about ½ the distance up the pipet side.
-Sources of Error
Mass of all leaves (g) x 1 cm2 x (1 m 2) =
mass of section (g) (104 cm)
Cumulative water loss / m2 for each condition
Transpiration rate water loss/ m2 / minute