Arbuscular mycorrhizal fungi regulate tomato silicon absorption

Figures & data

Table 1. Total of 4 treatments

Directions	Treatments	AMF	BGC No.
The control treatment	CK	Control, without AMF
Inoculation Treatment with AMF	Gv	Glomus versiforme	XJ08F
	Ad	Acaulospora delicata	BJ02B
	Fm	Funneliformis mosseae	GZ01A

Table 2. The characteristics of natural soil

Soil type	pH	Organic material (g/kg)	Total N (g/kg)	Total P (g/kg)	K (g/kg)
Sandy loam	8.36	7.16	0.74	0.61	18.00

Table 3. Effects of different AMF inoculations on tomato growth indicators and colonization rate

Treatments	PH (cm)	RL (cm)	DWS (g)	DWR (g)	TDW (g)	CR (%)
CK	10.00 ± 0.45 c	8.22 ± 0.26 c	0.184 ± 0.004 d	0.033 ± 0.002 c	0.217 ± 0.005 d	0.0 ± 0.0 c
Fm	13.44 ± 0.52 a	12.34 ± 0.34 a	0.267 ± 0.005 a	0.049 ± 0.004 a	0.326 ± 0.005 a	65.4 ± 1.1 a
Gv	13.16 ± 0.48 a	12.40 ± 0.42 a	0.248 ± 0.004 b	0.045 ± 0.002 a	0.293 ± 0.003 b	62.6 ± 4.0 a
Ad	11.50 ± 0.50 b	9.12 ± 0.33 b	0.207 ± 0.003 c	0.040 ± 0.002 b	0.247 ± 0.004 c	45.6 ± 2.3 b
F	63.0e16**	144.593**	520.837**	39.751**	540.858**	827.676**

PH: Plant height; RL: Root length; DWS: Dry weight of shoot; DWR: Dry weight of root; DW: Total dry weight; CR: Colonization rate

CK: control; Gv: Glomus versiforme; Ad: Acaulospora delicata; Fm: Funneliformis mosseae

The values represent the means ± standard deviation, n = 15(growth indicators), n = 9 (colonization rate). Significant differences are indicated by different letters in the same column. Significant at the 0.05 level.

Table 4. Effects of different AMF inoculations on Si concentration and content in root and shoot of tomato seedling

Treatments	Si concentration in root (mg/g)	Si concentration in shoot (mg/g)	Si content in root (mg)	Si content in shoot (mg)	Total Si content (mg)
CK	1.831 ± 0.020 d	1.544 ± 0.031d	0.062 ± 0.002 c	0.287 ± 0.007 d	0.349 ± 0.008 d
Fm	2.747 ± 0.069 b	1.913 ± 0.028 b	0.136 ± 0.002 a	0.510 ± 0.002 b	0.646 ± 0.004 b
Gv	3.061 ± 0.105 a	2.117 ± 0.055 a	0.137 ± 0.002 a	0.525 ± 0.004 a	0.662 ± 0.006 a
Ad	2.002 ± 0.042 c	1.740 ± 0.019 c	0.079 ± 0.002 b	0.358 ± 0.006 c	0.438 ± 0.008 c
F	297.532**	114.368**	2251.484**	2392.124**	2472.603**

CK: control; Gv: Glomus versiforme; Ad: Acaulospora delicata; Fm: Funneliformis mosseae

The values represent the means ± standard deviation, n = 3. Significant differences are indicated by different letters in the same column. Significant at the 0.05 level.

Table 5. Effects of different AMF inoculations on the extracted Si-fraction concentration of rhizosphere soil (mg/kg)

Treatments	CA-Si	NaOAc-HAc-Si	OA-Si	Na2CO3-Si	NaHCO3-Si
CK	164.420 ± 2.217 c (100)	71.752 ± 1.799 d (43.64)	59.777 ± 0.826 a (36.36)	19.413 ± 0.974 b (11.81)	10.305 ± 1.145 b (6.27)
Fm	151.930 ± 1.238 d (100)	88.772 ± 0.826 c (58.43)	54.690 ± 1.892 b (36.00)	22.753 ± 1.799 a (14.98)	14.650 ± 0.715 a (9.64)
Gv	222.533 ± 1.483 a (100)	107.600 ± 1.892 a (48.35)	46.587 ± 1.799 c (20.93)	10.257 ± 1.319 d (4.61)	1.222 ± 0.145 c (0.55)
Ad	165.753 ± 1.092 b (100)	100.808 ± 2.699 b (60.81)	47.302 ± 0.413 c (28.54)	15.608 ± 0.675 c (9.42)	2.588 ± 0.675 c (1.56)
F	1158.785**	359.738**	680.088**	1002.249**	251.125**

CA-Si: 0.025 M citric acid (pH 2.5); NaoAc-HAc-Si: sodium acetate-acetate (pH 4.0); OA-Si: Oxalic acid-ammonium oxalate (pH 3.2); Na₂CO₃-Si:0.19 M Na₂CO₃ (pH = 11.8); NaHCO₃-Si: 0.5 M NaHCO₃ (pH = 8.5)

CK: Control; Gv: Glomus versiforme; Ad: Acaulospora delicata; Fm: Funneliformis mosseae

The values represent the means ± standard deviation, n = 3. Significant differences are indicated by different letters in the same column. Significant at the 0.05 level.