Table 5 Effect of interaction between Coumarin and kinetin: (2.5 mg/l) on development of in vitro potato microtuberization
Characters of microtuberization | Coumarin concentration (mg/l) | |||
|---|---|---|---|---|
0 | 20 | 40 | 60 | |
No. of days to begin tuberization | 11.3 ± 3.333a | 6 ± 2a | 6 ± 2a | 8 ± 0.577a |
No. of days to reach 50% tuberization | 18.6 ± 2.905b | 18 ± 1.527b | 22 ± 3.605a | 32.6 ± 8.685a |
% of tuberization after 8 weeks | 87.2 ± 8.935a | 91.7 ± 8.33a | 83.6 ± 12.09a | 66.7 ± 13.059a |
No of tubers per plantlet after 8 w | 1.3 ± 0.057b | 1.7 ± 0.145a | 1.6 ± 0.20ab | 1.3 ± 0.152b |
Weight of microtubers | 45.8 ± 3.372b | 75.3 ± 2.91a | 46.6 ± 12.04b | 45.3 ± 5.126b |