Table 7.
Additive main effect and multiplicative interaction (AMMI) analysis of variance (ANOVA) for sugar yield in 2016 (A) and 2017 (B).
| Source of variation | df | 1st HD | 2nd HD | ||||||
|---|---|---|---|---|---|---|---|---|---|
| SS | MS | F-value | % of SS | SS | MS | F-value | % of SS | ||
| (A) | |||||||||
| Total | 79 | 402 | 5.09 | 465.3 | 5.89 | ||||
| Treatments | 19 | 355.7 | 18.72 | 23.62** | 369.2 | 19.43 | 14.17 | ||
| Genotypes | 4 | 9.2 | 2.31 | 2.91* | 2.59 | 33.3 | 8.32 | 6.07** | 13.52 |
| PD | 3 | 323.1 | 107.69 | 156.72** | 90.83 | 324.4 | 108.13 | 42.86** | 82.59 |
| Block | 12 | 8.2 | 0.69 | 0.87 | 30.3 | 2.52 | 1.84 | ||
| G x PD | 12 | 23.4 | 1.95 | 2.46* | 6.58 | 11.6 | 0.96 | 0.70 | 3.89 |
| IPCA 1 | 6 | 13.9 | 2.32 | 2.92* | 8.1 | 1.35 | 0.99 | ||
| IPCA 2 | 4 | 9.5 | 2.38 | 3.00* | 2.8 | 0.7 | 0.51 | ||
| Residuals | 2 | 0 | 0.01 | 0.02 | 0.7 | 0.33 | 0.24 | ||
| Error | 48 | 38.1 | 0.79 | 65.8 | 1.37 | ||||
| (B) | |||||||||
| Total | 95 | 151.33 | 1.593 | 178.88 | 1.883 | ||||
| Treatments | 23 | 79.91 | 3.474 | 3.5** | 74.69 | 3.247 | 2.57** | ||
| Genotypes | 5 | 8.4 | 1.681 | 1.69 | 10.51 | 15.03 | 3.005 | 2.37* | 20.12 |
| PD | 3 | 44.1 | 14.698 | 14.86** | 55.19 | 24.66 | 8.22 | 3.49* | 33.01 |
| Block | 12 | 11.87 | 0.989 | 1.00 | 28.26 | 2.355 | 1.86 | ||
| G x PD | 15 | 27.41 | 1.827 | 1.84* | 34.30 | 35.01 | 2.334 | 1.84* | 46.87 |
| IPCA 1 | 7 | 18.46 | 2.637 | 2.66* | 29.57 | 4.224 | 3.34** | ||
| IPCA 2 | 5 | 7.18 | 1.436 | 1.45 | 3.58 | 0.717 | 0.57 | ||
| Residuals | 3 | 1.78 | 0.592 | 0.60 | 1.85 | 0.617 | 0.49 | ||
| Error | 60 | 59.56 | 0.993 | 75.93 | 1.266 | ||||
IPCA, interaction principal component axis; HD, harvest date; PD, planting date; df, degrees of freedom; SS, sum of squares; MS, mean squares. *,** indicate the significance levels of P < 0.05 and P < 0.01.