Table 2 Effects of the water extract from leaves of Flaveria bidentis on the seedling height and root length of three plants.

From: Effects of water extracts of Flaveria bidentis on the seed germination and seedling growth of three plants

Plant species

Concentration (g/mL)

Seedling height (mm)

RI of the seedling height

Root length (mm)

RI of the root length

Shanghai green

0

21.8 ± 1.41a

 

45.67 ± 2.89a

 

0.025

12.6 ± 1.12b

− 0.42

5.20 ± 0.13b

− 0.89

0.050

2.87 ± 0.11c

− 0.87

1.53 ± 0.61bc

− 0.97

0.075

1.03 ± 0.05c

− 0.95

0.07 ± 0.12c

− 0.99

0.100

0.00 ± 0.00d

− 1.00

0.00 ± 0.00d

− 1.00

Wheat

0

32.67 ± 1.15a

 

31.67 ± 3.81a

 

0.025

15.67 ± 0.58b

− 0.52

4.67 ± 0.31b

− 0.85

0.050

14.00 ± 1.36bc

− 0.57

2.27 ± 0.21b

− 0.93

0.075

10.33 ± 1.52c

− 0.68

2.13 ± 0.10b

− 0.93

0.100

4.13 ± 0.02d

− 0.87

0.53 ± 0.08c

− 0.98

Barnyard grass

0

74.33 ± 6.11a

 

61.67 ± 4.07a

 

0.025

43.33 ± 2.52b

− 0.42

21.67 ± 1.58b

− 0.65

0.050

13.53 ± 1.81c

− 0.82

6.00 ± 0.58c

− 0.90

0.075

5.27 ± 0.81d

− 0.93

1.67 ± 0.15d

− 0.97

0.100

0.00 ± 0.00e

− 1.00

0.00 ± 0.00e

− 1.00

  1. Data are shown as the mean ± standard deviation. Different letters in the same column for each treatment indicate significant differences at the P < 0.05 level, while the same letter indicates no significant difference at the P < 0.05 level.