Sample No./root growth characteristics

Root length

(cm/50 g)

Root surface area

(cm²/50 g)

Root diameter

(mm/50 g)

Root volume

(cm³/50 g)

Number of root tips (per 50 g)

1

302.4 d

169.8 c

2.49 b

8.14 c

946 d

2

161.8 a

93.5 a

1.28 a

3.33 a

363 a

3

210.6 c

132.3ab

1.84 ab

5.22 b

718 c

4

199.1 ab

115.7 ab

1.62 ab

4.72 ab

412 b