Table 1.
Effect of elicitors (viz., chitosan, jasmonic acid and salicyclic acid) on plant biomass and yield of withaferin A and withanolide A in WS in open environment
Elicitor | Plant height (cm) | Plant biomass, fresh weight FW (g) | Plant biomass, dry weight DW (g) | Yield (withaferin A) (mg/plant) | Yield (withanolide A) (mg/plant) |
---|---|---|---|---|---|
Control | 35 ± 0.02a | 28 ± 0.84ab | 17 ± 0.36ab | 2.27a | 1.19a |
C10 | 92 ± 0.25g | 42 ± 0.2 | 28 ± 0.6h | 23.47h | 3.304c |
C50 | 90 ± 0.0g | 39 ± 0.1g | 22 ± 0.14g | 16.85g | 2.05ab |
C100 | 91 ± 0.3gh | 41 ± 0.0gh | 26 ± 0.7gh | 8.762e | 4.602ab |
JA50 | 94 ± 0.2h | 41 ± 0.5gh | 24 ± 0.9gh | 4.256d | 2.344a |
JA200 | 78 ± 0.12f | 33 ± 0.6de | 20 ± 0.1de | 3.08e | 5.07a |
JA400 | 57 ± 0.3d | 31 ± 0.7cd | 22 ± 0.08c | 3.19c | 7.06a |
SA0.5 | 60 ± 0.8e | 34 ± 0.6e | 26 ± 0.2e | 3.62c | 3.042a |
SA1.0 | 57 ± 0.2d | 29 ± 0.5bc | 18 ± 0.2b | 2.69b | 2.016a |
SA2.0 | 40 ± 0.1b | 26 ± 0.0a | 15 ± 0.10a | 4.20d | 1.075ab |
CD at 1% | 1.9 | 2.15 | 2.8 | 1.5 | 0.05 |
CD at 5% | 1.4 | 1.54 | 2.0 | 1.10 | 0.03 |
CV | 4.8 | 3.17 | 3.2 | 2.2 | 2.7 |
C10, C50, C100 = concentration of chitosan at 10 ppm, 50 ppm and 100 ppm; JA50, JA200, JA400 = concentration of jasmonic acid at 50 ppm, 200 ppm and 400 ppm; SA0.5, SA1.0, SA2.0 = concentration of SA at 0.5 ppm, 1 ppm and 2 ppm
Data shown are mean ± SEm (n = 3). The genotypes with same superscript, within each assay (parameter) are not significantly different at p ≤ 0.05, according to Duncan multiple comparison procedure (ANOVA)