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Mean angular spread of roots for control and impeded roots
| Wheat | Control | Impeded |
|---|---|---|
| Avalon | 57 | 43 |
| Battalion | 50 | 46 |
| Cadenza | 55 | 53 |
| Robigus | 57 | 32 |
The genotype x impedance interaction is significant at P = 0.057. An angle of 0° corresponds to a vertical root. The SED is 5.6°. The mean angular spread of roots for control and impeded roots was 55O and 43O (P = 0.002) respectively. There was no effect of cultivar (P = 0.302)
