NAA concentration (mg∙L⁻¹)

Rooting rate (%)

Average root no. per plantlet

Average root length (cm)

0.1

92.2 ± 2.20^a

28.1 ± 6.39^a

4.7 ± 1.11^a

0.2

84.1 ± 2.81^b

24.3 ± 5.63^b

4.2 ± 0.99^b

0.3

78.9 ± 3.30^b

22.2 ± 6.39^b

3.4 ± 0.82^c