Table 1.
Analise of variance (ANOVA) for the effects of silicon, glyphosate, and their interaction (Silicon x Glyphosate) on physiological and biochemical variables in old and new leaves of young orange plants
| Variable | CV (%) | Sum of squares | ||
|---|---|---|---|---|
| Si | Gly | Si x Gly | ||
| Si conc. (old leaves) | 7.61 | 362.07** | 1.44 ns | 1.15 ns |
| Si conc. (new leaves) | 9.93 | 187.21** | 4.41 ns | 2.57 ns |
| MDA (old leaves) | 5.45 | 6.61** | 14.13** | 1.56** |
| MDA (new leaves) | 8.79 | 3.61** | 23.35** | 2.06** |
| Pro (old leaves) | 13.6 | 26,026.21** | 160,593.24** | 23,987.22 ns |
| Pro (new leaves) | 8.14 | 42,184.23** | 121,746.45** | 16,659.37** |
| Car (old leaves) | 9.49 | 0.0038** | 0.0086** | 0.0023** |
| Car (new leaves) | 7.18 | 0,0008** | 0.0020** | 0.0004 ns |
| Phen (old leaves) | 6.71 | 71.02* | 183.03** | 1,110.53** |
| Phen (new leaves) | 5.80 | 54.73** | 414.92** | 24.88 ns |
| Leaf number | 2.12 | 164.98** | 177.29** | 57.28** |
| DM | 5.29 | 17.41** | 134.98* | 20.73** |
Si Silicon, Gly Glyphosate, MDA Malondialdehyde, Pro Proline, Car Carotenoids, Phen Phenolic compounds, DM Dry matter
**, * and ns-significant a 1% and 5% and non-significant by the F-test