Table 2.
Analysis of variance of studied traits in 57 blackberry genotypes assigned to four wild species.
Sources of variations | Degree of freedom | Mean-square | ||||||
---|---|---|---|---|---|---|---|---|
Berry weight | Antioxidant activity | Anthocyanin | TSS | Total phenol | Titrateable acid | Ascorbic acid | ||
Year | 1 | 0.06ns | 4.10ns | 14.49ns | 4.06ns | 27.69ns | 0.00ns | 13.92ns |
Error | 4 | 0.001 | 40.06 | 43.72 | 2.03 | 11.17 | 0.003 | 3.01 |
Genotype | 56 | 0.3** | 1027.19** | 3247.82** | 35.54** | 200.79** | 0.08** | 48.53** |
Year × Genotype | 56 | 0.001n.s | 3.4ns | 4.13ns | 0.37ns | 3.72ns | 0.00ns | 0.46ns |
Error | 224 | 0.0009 | 3.45 | 6.23 | 0.75 | 3.58 | 0.000 | 0.61 |
CV (%) | – | 3.65 | 2.85 | 2.12 | 7.41 | 1.57 | 5.37 | 4.87 |
CV Coefficient of variation.
ns and ** represent non significance and significance at the 1% level respectively.