Table 1. Phenotypic and primary molecular screening of the transgenic sweet potato lines from transformed cultivar Sushu-2.

Line	Rooting test*	Shoot phenotype	PCR	GUS staining	Insertion number
OE1	Rooted	normal	positive	stained	1
OE2	Rooted	normal	positive	stained	1
OE3	Rooted	normal	positive	stained	1
OE4	Rooted	normal	positive	stained	2
OE5	Rooted	normal	positive	stained	1
OE6	Rooted	normal	positive	stained	1
OE7	Rooted	normal	positive	stained	2
OE8	Rooted	normal	positive	stained	3
OE9	Rooted	normal	positive	stained	2
OE10	Rooted	dwarf	NT**	NT	NT
Sushu-2	-	normal	-	Non-stained	-

Notes:

^*A rooting test was performed by culturing shoots on basic medium supplemented with 10 mg l⁻¹ hygromycin and recorded after two weeks;

^**Not tested.