Table 2.
Summary of plant traits and variables for five spring barley genotypes indicating where significantly larger (↑) or smaller (↓) values were obtained relative to the other genotypes
| Kenia (tall) | Golden Promise (ari-e.GP) | B83 (ari-e.GP) | Westminster (sdw1) | Derkado (sdw1) | |
| Dry mass (g plant−1) | |||||
| Total | |||||
| Root | ↑Ra | ↓R | ↓R | ||
| Leaf | |||||
| Stem | ↑ | ↓ | ↑ | ||
| Ear | |||||
| Mass remobilization | |||||
| Harvest Index | ↓ | ↑ | ↑ | ↓ | |
| Nitrogen (g plant−1) | |||||
| Total | ↑ | ↑ | ↓ | ↓ | |
| Root | |||||
| Leaf | ↑ | ↓ | ↑ | ||
| Stem | ↑ | ||||
| Ear | |||||
| N remobilization | ↑ | ↑ | |||
| N Harvest Index | ↓ | ↑ | ↓ | ||
| Root investment | |||||
| Coefficient a | |||||
| Coefficient b | ↑ | ↓ | ↑ | ||
| Root mass (% total) | |||||
| Root N (g g−1 dry mass) | ↑ | ↓ | |||
| Root N (% total N) | |||||
| Plant N/root mass (g g−1) | ↑S | ↑S | ↑S | ↓S | ↓S |
| NUE | |||||
| N uptake efficiency | |||||
| N utilization efficiency | |||||
| Overall NUE |
a
R, in reduced nutrient treatment only; S, in standard nutrient treatment only. Nutrient supply in the reduced nutrient treatment was 50% of that in the standard nutrient treatment.