Fig. 4.
a Total phenolic content and b proanthocyanidin concentration in P. x canescens wild type (WT,
, n = 6), empty vector control (C,
, n = 4–6), PcISPS-RNAi lines (RA1/2/17/18/22,
, n = 5–23) grown one season in a greenhouse. ANOVA was performed for each sampling date separately (SPSS, P > 0.05), error bars represent the standard error of mean. n.s. not significant, n.d. not determined