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Table 4 Comparisons of reproductive characteristics between the induced tetraploids and their corresponding diploid F. tataricum cultivars

From: Morphological, physiological, cytological and phytochemical studies in diploid and colchicine-induced tetraploid plants of Fagopyrum tataricum (L.) Gaertn

Reproductive characteristic

Qianwei 2#

Jinku 2#

Chuanqiao 1#

Liuqiao 1#

4x

2x

4x

2x

4x

2x

4x

2x

Vertical length of flower bud (mm)

4.12 ± 0.16A

3.23 ± 0.22B

4.01 ± 0.24a

3.36 ± 0.25b

3.99 ± 0.20a

3.37 ± 0.15b

4.19 ± 0.23A

3.30 ± 0.11B

Transverse diameter of flower bud (mm)

2.35 ± 0.18A

1.88 ± 0.21B

2.22 ± 0.12A

1.79 ± 0.20B

2.31 ± 0.15a

2.01 ± 0.11b

2.68 ± 0.17A

1.90 ± 0.23B

Flower diameter (mm)

5.15 ± 0.26A

3.68 ± 0.20B

6.35 ± 0.32A

3.24 ± 0.19B

5.45 ± 0.25A

3.56 ± 0.18B

6.41 ± 0.20A

3.29 ± 0.12B

Length of petal (mm)

2.69 ± 0.11A

1.63 ± 0.12B

3.01 ± 0.18A

1.51 ± 0.18B

2.23 ± 0.13A

1.25 ± 0.20B

2.95 ± 0.09A

1.17 ± 0.18B

Width of petal (mm)

0.90 ± 0.03A

0.52 ± 0.06B

0.97 ± 0.09A

0.49 ± 0.02B

0.88 ± 0.07A

0.40 ± 0.05B

0.95 ± 0.03A

0.38 ± 0.08B

Pollen grain diameter (μm)

5.01 ± 0.34A

3.91 ± 0.28B

5.57 ± 0.34A

3.82 ± 0.23B

4.98 ± 0.31A

3.88 ± 0.28B

5.55 ± 0.27A

3.89 ± 0.31B

Pollen-vigorous (%)

20.35 ± 1.38B

49.36 ± 3.21A

18.89 ± 1.34B

42.66 ± 2.89A

19.67 ± 1.89B

45.89 ± 2.92A

17.89 ± 1.25B

40.96 ± 3.01A

No. of inflorescences per plant

42 ± 6a

39 ± 8a

37 ± 7a

35 ± 8a

43 ± 7a

39 ± 5a

38 ± 9a

33 ± 5a

Average length of inflorescence (cm)

8.91 ± 4.25a

10.35 ± 4.36a

7.89 ± 5.02a

10.78 ± 5.21a

7.34 ± 4.56a

9.67 ± 3.89a

6.99 ± 4.23a

10.36 ± 5.01a

No. of flowers per inflorescence

34 ± 21a

67 ± 31a

42 ± 20a

73 ± 26a

39 ± 25a

71 ± 30a

49 ± 22a

77 ± 31a

Thousand-seed weight (g)

24.41 ± 3.67A

19.38 ± 2.25B

22.66 ± 1.89A

19.11 ± 1.12B

31.59 ± 1.35A

18.12 ± 0.98B

26.84 ± 2.01A

17.57 ± 1.03B

Seed size (mm)

8.29 ± 0.84A

5.86 ± 0.73B

8.10 ± 0.35A

6.01 ± 0.34B

7.20 ± 0.17A

5.63 ± 0.22B

7.17 ± 0.24A

5.42 ± 0.11B

  1. 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