TABLE 2.

Copy number of ZmIPT2 gene in trangenic lines.

Line	Actin		ZmIPT2			Copy number
	Ct value	Amount of template	Ct value	Amount of template	Ratio to Actin
C01	25.88	0.270	28.98	0	0	0
DNIPT2-C14	23.83	0.042	29.54	0.036	0.86	1
DNIPT2-C33	20.10	0.559	24.51	0.458	0.82	1
DNIPT2-C34	20.12	0.570	25.07	0.719	1.26	1