Table 3.

Composition of phenolic compounds in the soluble fraction of leaves in strawberry plants grown for 6 weeks without (− AMF) or with (+ AMF) inoculation with Rhizophagus clarus in the absence (− Si) or presence (+ Si) of 3 mmol L⁻¹ Si (as Na₂SiO₃)

Treatments	Gallic acid (µg mg−1 total phenol)	Caffeic acid (µg mg−1 total phenol)	Epicatechin (µg mg−1 total phenol)	Chlorogenic acid (µg mg−1 total phenol)
− AMF
− Si	10.3 ± 1.1c	9.3 ± 1.2d	7.9 ± 0.3c	7.6 ± 1.1c
+ Si	14.2 ± 1.3b	12.6 ± 1.2c	9.7 ± 0.5b	8.6 ± 1.5c
+ AMF
− Si	11.4 ± 1.0c	34.6 ± 0.9b	8.5 ± 0.8bc	10.5 ± 1.0b
+ Si	25.8 ± 1.2a	36.9 ± 1.1a	14.5 ± 1.3a	26.3 ± 1.2a

Treatments	p-Coumaric acid (µg mg−1 total phenol)	Quercetin (µg mg−1 total phenol)	Ellagic acid (µg mg−1 total phenol)	Kaempferol (µg mg−1 total phenol)
− AMF
− Si	11.4 ± 0.9a	7.2 ± 1.0c	3.0 ± 0.05d	2.1 ± 0.10c
+ Si	4.5 ± 0.5d	10.3 ± 1.0ab	3.9 ± 0.08c	3.5 ± 0.11b
+ AMF
− Si	6.1 ± 0.7c	9.7 ± 1.1b	6.4 ± 0.7b	9.3 ± 0.2a
+ Si	8.3 ± 0.9b	11.8 ± 1.0a	8.4 ± 0.7a	9.0 ± 0.5a

Data are mean ± SD. Data in each column indicated by the same letter are not significantly different (Tukey test, p < 0.05)