Table 3.

Comparisons of vegetative characteristics between the induced tetraploids and their corresponding diploid F. tataricum cultivars

Vegetative characteristic (cm)	Qianwei 2#		Jinku 2#		Chuanqiao 1#		Liuqiao 1#
	4x	2x	4x	2x	4x	2x	4x	2x
Plant height	66.30 ± 20.20a	55.03 ± 5.35a	62.21 ± 15.34a	56.00 ± 10.23a	59.80 ± 21.02a	61.67 ± 2.34a	75.00 ± 23.12a	69.90 ± 11.20a
Plant breadth	40.23 ± 12.34a	45.89 ± 9.21a	39.36 ± 12.89a	51.24 ± 18.21a	45.34 ± 18.23a	43.89 ± 8.90a	53.34 ± 20.01a	50.34 ± 15.78a
Diameter of basal stem	1.03 ± 0.38a	0.98 ± 0.31a	1.11 ± 0.38a	1.02 ± 0.30a	0.99 ± 0.20a	0.96 ± 0.13a	1.20 ± 0.14a	1.21 ± 0.33a
Leaf length	6.12 ± 0.12A	5.28 ± 0.28B	6.39 ± 0.22A	5.63 ± 0.26B	6.56 ± 0.17A	5.86 ± 0.15B	7.23 ± 0.32A	6.31 ± 0.18B
Leaf width	4.02 ± 0.28A	3.34 ± 0.17B	4.21 ± 0.21A	3.25 ± 0.13B	3.99 ± 0.15A	3.05 ± 0.11B	5.32 ± 0.21A	3.15 ± 0.15B
Leaf thickness	0.95 ± 0.05A	0.38 ± 0.13B	0.83 ± 0.04A	0.35 ± 0.11A	0.88 ± 0.14A	0.41 ± 0.10B	0.92 ± 0.09A	0.36 ± 0.16B
Leaf index (length/width)	1.43 ± 0.22a	1.21 ± 0.25b	1.48 ± 0.31a	1.11 ± 0.32b	1.32 ± 0.18a	1.39 ± 0.20a	1.42 ± 0.23a	1.35 ± 0.19a

Different small-case/capital letters indicate the significance of difference between two mean values at the p = 0.05/0.01 level, respectively, as tested by two-sample t test, the same below