Effect of root pruning treatments 2½ years after planting on root development.
| Treatment | Root curl No. horizontal No. vertical Vert/horiz | |||
|---|---|---|---|---|
| roots | roots | root ratio | ||
| E. mannifera subsp. maculosa | ||||
| Control | 1,6a* | 11,2a | 1,8a | 0.16a |
| Teased | 1.8a | 7.8b | 1.5a | 0.19a |
| Bot. removed | 2.8b | 9.1ab | 3.5b | 0.38b |
| Bot. removed/sliced | 2.8b | 6.1b | 3.4b | 0.55b |
| E. polyanthemos | ||||
| Control | 1.8a* | 7.7a | 2.4a | 0.31a |
| Teased | 1,8a | 8.4a | 3.4b | 0.40a |
| Bot. removed | 1.9a | 5.5a | 4.8bc | 0.87b |
| Bot. removed/sliced | 2.7b | 5.5a | 6.1c | 1.11b |
↵* Mean separation in columns by Duncan’s multiple range test, 5% level. Values are an average of 10 observations. Details on the root curl rating and the horizontal/vertical root classification are given in the materials and methods section.