Table 1.
Effect of IBA (500 and 1000 ppm) and NAA (500 and1000 ppm) solutions on shoot and root formations in stem cutting of Stevia rebaudiana (Bert.).
| PGRs (ppm) | % Survival | Length of cuttings (cm) | No. of leaves/cutting | No. of branches/cutting | Internodes length |
|---|---|---|---|---|---|
| Shoot emergence parameters | |||||
| IBA 1000 | 33.33a⁎ | 29.83ab | 90.0b | 06.0b | 02.67ab |
| NAA 1000 | 22.22b | 19.63b | 107.67a | 10.33a | 02.29b |
| IBA 500 | 11.11c | 33.57a | 102.33ab | 08.67ab | 02.83a |
| NAA 500 | 2.66 d | 10c | 21c | 2.33c | 0.67d |
| Control | 11.11c | 20.83b | 91.33b | 06.67b | 01.65 cd |
| Root formation parameters | |||||
| PGRs (ppm) | Mean length (cm) | No. of roots/cutting | Fresh weight of roots | Dry weight of roots | |
| IBA 1000 | 53.6b⁎ | 15.0b | 1.65ab | 0.7a | |
| NAA 1000 | 54.5b | 13.0bc | 1.68a | 0.56b | |
| IBA 500 | 67.0a | 24.0a | 1.64ab | 0.58b | |
| NAA 500 | 09d | 03c | 0.34c | 0.11c | |
| Control | 47.15c | 12.35bc | 1.21b | 0.51bc | |
⁎
The experiment was repeated twice and data was collected from replicated experiments. Mean values with least significant difference (LSD) are significantly different at P < 0.05.