Table 6. MGLM analysis of treatment (CO2, temperature and nitrogen) main effects and their interactions on Fru, Glu, Suc, TSW, SI and DWC of strawberry fruits for plants cultivated at ambient (360 ppm) and elevated (720 ppm) CO2, high and low temperature, and high and low nitrogena.
Effects | MS error | Whole model R2 | |||||||
CO2 | Temperature | Nitrogen | CO2×Temp | CO2×N | Temp×N | 3-Way | |||
Fru | 24.79**** | 4.58* | 0.05 | 5.51* | 4.38* | 0.15 | 6.10* | 1464.02 | 0.58 |
Glu | 22.54**** | 1.94 | 0.05 | 5.37* | 1.31 | 0.52 | 7.92* | 2079.33 | 0.53 |
Suc | 0.2 | 0.34 | 0.67 | 2.47 | 1.15 | 0.26 | 0.65 | 3391.86 | −0.03 |
TSW (FW) | 88.41**** | 3.29 | 0.47 | 1.02 | 0.15 | 0.05 | 0.37 | 120.90 | 0.64 |
SI (FW) | 101.15**** | 2.92 | 0.52 | 1.68 | 0.03 | 0.08 | 0.29 | 277.05 | 0.67 |
DMC | 22.93**** | 2.22 | 0.08 | 0.01 | 2.5 | 3.76 | 0.14 | 0.00 | 0.46 |
Data are expressed as F values, and *, **, ***, **** indicate P<0.05, 0.01, 0.001 and 0.0001, respectively. Abbreviations are: FW- fresh weight; Temp- Temperature; N- Nitrogen; 3-Way- CO2×Temperature×Nitrogen.