Effect of arbuscular mycorrhizal fungi on the accumulation of secondary metabolites in roots and reproductive organs of Solanum nigrum, Digitaria sanguinalis and Ipomoea purpurea

Chemical and Biological Technologies in Agriculture

Table 2 Analyses of variance (ANOVA) for secondary metabolites and PAL activity in leaves of weeds grown with three AMF

S.O.V	Df	Total terpenoids (mg 100 mL⁻¹ of extract)		Total carotenoids (mg g⁻¹ FW)		PAL (µmol cinnamic acid h ⁻¹ protein ⁻¹)
S.O.V	Df	F	p	F	F	F	p
AMF	3	20.24	< 0.0001	1.97	0.1356	22.21	< 0.0001
Weeds	2	33.79	< 0.0001	15.64	< 0.0001	2.29	< 0.0001
AMF*weeds	6	25.61	< 0.0001	13.91	< 0.0001	5.36	< 0.0001
Error	36	–	–	–
Cv%	–	5.80		9.23		6.63