Table 3 Effect of CL on growth indices of Mentha piperita L. in tissue culture after 50 days of planting (Mean ± SE)

Shoot length (cm)

11.00 ± 0.01

26.90 ± 1.02 *

Root length (cm)

3.60 ± 0.20

5.35 ± 0.00 *

Fresh weight of shoot (g)

0.39 ± 0.29

0.55 ± 0.00

Dry weight of shoot (g)

0.16 ± 0.00

0.31 ± 0.01*

Fresh weight of root (g)

0.08 ± 0.01

0.15 ± 0.00 *

Dry weight of root (g)

0.04 ± 0.00

0.06 ± 0.00

Leaf number (no.)

17.33 ± 0.66

34.66 ± 0.66 *

Ramification (no.)

2.00 ± 0.00

2.33 ± 0.33