African violet grown under greenhouse conditions to estimate its effect on the flower
expression of the plant. These solutions were sprayed on the shoots of the plant on three
occasions, 21, 28 and 35 days after being potted. Salicyliclate at 0.1 nM increased the
number of leaves from 16 to 19, the number of flower primordia from 8 to 14, the rosette
diameter from 130 to 177mm in comparison with the control. The same concentration induce …