Table 1 Transcript accumulation and activity of cell wall invertase, and sugar content in stem bases of cuttings of wild type, pHell andPhAOC-RNAi plants

parameter	unit	WT	pHell		PhAOC-RNAi
			line 4	line 10	line 4	line 10	line 15
3CL9414-transcript^a	2^−∆Ct	20.9 ± 10.1	19.4 ± 7.5	23.1 ± 3.0	19.2 ± 4.6	14.6 ± 7.2	17.8 ± 5.4
invertase activity^b	pkat/mg protein	12.6 ± 3.7	14.1 ± 3.3	10.2 ± 5.2	10.1 ± 4.2	9.7 ± 3.9	8.3 ± 4.4
glucose^c	μmol/g f.w.	0.2 ± 0.1	0.2 ± 0.0	0.2 ± 0.1	0.2 ± 0.1	0.2 ± 0.1	0.1 ± 0.1
fructose^c	μmol/g f.w.	0.4 ± 0.3	0.2 ± 0.1	0.1 ± 0.0	0.5 ± 0.4	0.4 ± 0.4	0.5 ± 0.3
sucrose^c	μmol/g f.w.	1.8 ± 0.6	1.6 ± 0.2	1.1 ± 0.6	2.7 ± 0.9	2.3 ± 0.7	2.4 ± 1.2

All data are given as mean values ± SD from eight independent, biological replicates. Data were compared by one-way-ANOVA and did not show significantly different values according to Tukey’s HSD test
^aTranscript data are relative toPhRSP13determined at 4 hpe
^bCell wall invertase activity determined at 6 hpe
^cSugar levels determined at 192 hpe