Table 4.
Estimates of genotypic correlation coefficients between dry root weight and component characteristics of Withania somnifera
| Characteristics | PH | FRW | 1,000 Seed weight | Total alkaloid (L) | Wid (L) | Wi-A (L) | Wid-A (L) | 12 DWS (L) | Total alk (R) | Wid (R) | Wi-A (R) | Wid-A (R) | 12 DWS (R) | DRW |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PH | — | 0.50** | 0.47** | 0.08 | 0.24 | −0.35** | 0.10 | 0.10 | −0.43** | −0.02 | −0.39** | −0.08 | −0.18 | 0.42** |
| FRW | — | 0.24 | 0.11 | 0.06 | −0.34* | −0.16 | 0.22 | −0.14 | −0.12 | −0.29* | −0.08 | −0.17 | 0.82** | |
| 1,000 seed weight | — | −0.12 | 0.22 | −0.08 | 0.38** | −0.006 | −0.49** | −0.44** | −0.32* | 0.12 | −0.10 | 0.13 | ||
| Total alk (L) | — | 0.32* | 0.05 | −0.16 | −0.05 | 0.15 | 0.17 | 0.17 | 0.15 | 0.02 | 0.11 | |||
| Wid (L) | — | 0.08 | 0.17 | 0.03 | −0.33* | −0.39** | −0.17 | −0.11 | −0.12 | 0.06 | ||||
| Wi-A % (L) | — | 0.29* | 0.009 | −0.10 | −0.26 | 0.72** | −0.05 | 0.07 | −0.36** | |||||
| Wid-A % (L) | — | 0.11 | −0.22 | −0.33* | −0.03 | 0.31* | 0.11 | −0.11 | ||||||
| 12 DWR (L) | — | −0.17 | −0.25 | 0.001 | −0.006 | −0.01 | 0.26 | |||||||
| Total alk (R) | — | 0.39** | 0.17 | 0.23 | −0.04 | −0.12 | ||||||||
| Wid (R) | — | 0.13 | 0.20 | 0.31* | −0.22 | |||||||||
| Wi-A % (R) | — | 0.26 | 0.34* | −0.33* | ||||||||||
| Wid-A % (R) | — | 0.18 | −0.12 | |||||||||||
| 12 DWR (R) | — | −0.11 | ||||||||||||
| DRW | — |
* Significant at 1% probability level
** Significant at 5% probability level
alk, alkaloid; 12 DWS, 12 deoxywithastramonolide; FRW, fresh root weight; L, leaves; PH, plant height; R, roots; Wi-A, withaferin A; Wid, withanolide; Wid-A, withanolide A