Graphene oxide and indole-3-acetic acid cotreatment regulates the root growth of Brassica napus L. via multiple phytohormone pathways

Table 1 Effects of GO and IAA treatments on the seedling growth and phytohormone content of B. napus on the 10th day after treatment

Variation source	Root length (cm)	Stem length (cm)	NO. of Adventitious roots	Root fresh weight (g)	ABA content (ng g ⁻¹ FW)	IAA content (ng g ^− 1 FW)	CTK content (ng g ^− 1 FW)	GA content (mg g ^− 1 FW)
GO	7.39^**	1.13^**	24.28^**	0.054	161.51^**	33.70^**	156.95^**	5723.51^**
IAA	4.95^**	1.19^**	19.62^**	0.045^**	61.26^**	67.17^**	76.61^**	8131.81^**
GO*IAA	4.98^**	1.09	14.14^**	0.044	60.52^**	40.43^**	47.56^**	7240.09^**

ISSN: 1471-2229