Table 2 Eta-square (η2) values for the sources of variation in the leaf area index (LAI), chlorophyll content (SPAD), net photosynthetic ratio (Pn), transpiration rate (E) and instantaneous water use efficiency (WUE).
Source of variation | LAI | SPAD | Pn | E | WUE |
|---|---|---|---|---|---|
Years Y | 2.9 | 23.0 | 32.6 | 2.7 | 2.9 |
Agronomic factors A | 22.3 | 11.8 | 0.4 | 2.0 | 22.3 |
Y × A | 6.6 | 3.3 | 3.2 | 2.7 | 6.6 |
A × A | 1.3 | 0.5 | 1.0 | 0.5 | 1.3 |
Total Y&A | 33.1 | 38.6 | 37.2 | 7.9 | 33.1 |
Growth stage G | 21.1 | 15.6 | 7.0 | 45.8 | 21.1 |
Y × G | 9.4 | 21.5 | 15.9 | 16.1 | 9.4 |
A × G | 2.1 | 2.1 | 1.4 | 2.3 | 2.1 |
Total G | 32.5 | 39.3 | 24.3 | 64.2 | 32.5 |
Random factors | 34.4 | 22.1 | 38.5 | 27.9 | 34.4 |