Table 4.
Mean ( ± s.e.) specific root length (SRL) and root length density (RLD) at 50–100 and 400–500 mm, plus RLD and SRL at 400–500 mm deep relative to 50–100 mm deep, for the six clover entries. Measurements were made at harvest 3 (170 d after sowing)
| RLD 50–100 mm (km m−3) | RLD 400–500 mm (km m−3) | SRL 50–100 mm (m g−1) | SRL 400–500 mm (m g−1) | RLD400–500/50–100 (%) | SRL400–500/50–100 (%) | |
|---|---|---|---|---|---|---|
| T. uniflorum 4382 | 16·1ab ± 5·8 | 2·0ab ± 0·8 | 53·9a ± 10·2 | 83·0a ± 9·9 | 22·1ab ± 10·5 | 208ab ± 76 |
| T. uniflorum 4383 | 11·9a ± 1·9 | 1·7a ± 0·4 | 65·7a ± 5·6 | 96·9a ± 9·8 | 17·3a ± 3·8 | 163a ± 20 |
| Crusader BC1 | 17·3ab ± 4·8 | 0·5bc ± 0·1 | 115·2bc ± 12·6 | 96·1a ± 17·4 | 3·7c ± 1·0 | 81c ± 15 |
| Kopu II BC1 | 37·5b ± 10·8 | 0·5bc ± 0·1 | 144·7c ± 7·5 | 107·8a ± 12·7 | 2·4c ± 0·7 | 77c ± 10 |
| ‘Crusader’ | 13·0a ± 1·3 | 0·2c ± 0·1 | 82·5ab ± 11·8 | 57·3a ± 20·3 | 4·3bc ± 1·4 | 66bc ± 22 |
| ‘Kopu II’ | 14·3ab ± 6·1 | 0·5bc ± 0·2 | 125·4c ± 12·2 | 82·5 ± 17·7 | 2·7c ± 0·7 | 62c ± 14 |
Within parameters, means with the same letter were not significantly different at the 5 % level.