Table II.

Movement of fluorescent dye or fluorescently tagged dextrans in epidermal cells of tobacco leaves from plants that were either untreated or pretreated with SA

Fluorescent ProbeControl TreatmentSA Treatment
Fluorescein (>1 kD)10 /10 (100%)10 /10 (100%)
3-kD R-dextran11 /21 (52%)13 /14 (93%)
10-kD F-dextran0 /10 (0%)0 /20 (0%)

Data are expressed as free dye (fluorescein data is shown) or fluorescein (F)- or Texas Red (R)-tagged dextran movement/total no. of injections.