Table 2.

Comparisons of vascular bundle parameters between dwarf shengyin and wild moso bamboos.

Index	Position	Dwarf Shengyin	Wild	p-Value
Vascular bundle density	Top part	411.41 ± 18.06	405.78 ± 21.41	0.118
	Middle part	373.59 ± 11.59	367.34 ± 13.68	0.051
	Basal part	227.97 ± 10.84	231.56 ± 15.99	0.089
Vascular bundle length (μm)	Top part	245.26 ± 9.88	257.17 ± 29.26	0.0345 *
	Middle part	293.59 ± 20.3	314.09 ± 22.54	0.0451 *
	Basal part	430.39 ± 42.25	436.57 ± 12.68	0.689
Vascular bundle width (μm)	Top part	176.08 ± 19.35	186.09 ± 21.32	0.694
	Middle part	200.34 ± 20.19	207.67 ± 17.73	0.782
	Basal part	234.76 ± 19.07	243.15 ± 20.2	0.764
Length-width ratio of vascular bundle	Top part	1.41 ± 0.15	1.39 ± 0.16	0.581
	Middle part	1.48 ± 0.16	1.53 ± 0.19	0.671
	Basal part	1.84 ± 0.16	1.81 ± 0.15	0.801

± indicates the SD, * p-value < 0.05, N = 90 (N is sample number).