Table 6.

Effect of foliar application of silicon on pea root cross-section grown in different concentrations of cadmium.

root cross-section	Treatments
	Cd 0 mg/kg	Cd 100 mg/kg	Cd100+Si 300 ppm
Exodermis thickness µm	54.8 b	69.5 a	78.5 a
Number of rows cortex	14.55 a	9.55 c	12.55 b
Endodermis thickness (μm)	17.2 b	28.7 a	20.44 c
No. metaxylem	9.5 a	5.4 c	6.2 b
Area metaxylem elem. (μm)2	256.3 a	188.6 b	240.2 a
Pith thickness µm	170.0 a	88.67 b	156.7 a

Means that do not share a letter are significantly different.