Table 1.
Effect of thrips injury on purple blotch symptom expression.
| Injury | A. porri isolate | No. of lesions/plants | Average lesion length (cm) | Average lesion size (cm2) |
|---|---|---|---|---|
| Uninjured | Ap 1 | 2.20j ± 0.20 | 0.62g ± 0.07 | 0.23h ± 0.04 |
| Ap 2 | 2.40ij ± 0.24 | 0.62g ± 0.03 | 0.26h ± 0.09 | |
| Ap 3 | 2.60ij ± 0.24 | 0.68g ± 0.08 | 0.28h ± 0.07 | |
| Ap 4 | 3.00ij ± 0.31 | 0.70g ± 0.07 | 0.40h ± 0.05 | |
| Mechanical injury | Ap 1 | 3.20hi ± 0.37 | 2.12f ± 0.08 | 1.30g ± 0.14 |
| Ap 2 | 4.00gh ± 0.31 | 2.30ef± 0.03 | 1.42fg ± 0.21 | |
| Ap 3 | 4.20g ± 0.37 | 2.44e ± 0.05 | 1.79ef ± 0.12 | |
| Ap 4 | 4.40fg ± 0.40 | 2.74d ± 0.06 | 1.99de ± 0.26 | |
| T. parvispinus injury | Ap 1 | 5.20ef ± 0.37 | 3.00c ± 0.10 | 2.34cd ± 0.19 |
| Ap 2 | 5.60de ± 0.24 | 3.16bc ± 0.17 | 2.43bcd ± 0.19 | |
| Ap 3 | 5.80de ± 0.37 | 3.18bc ± 0.13 | 2.79abc ± 0.11 | |
| Ap 4 | 6.40bcd ± 0.40 | 3.36b± 0.11 | 2.89ab ± 0.11 | |
| T. tabaci injury | Ap 1 | 6.20cd ± 0.37 | 3.92a ± 0.08 | 2.88ab ± 0.30 |
| Ap 2 | 6.80abc ± 0.37 | 3.94a ± 0.09 | 3.02a ± 0.25 | |
| Ap 3 | 7.20ab ± 0.37 | 3.98a ± 0.12 | 3.21a ± 0.30 | |
| Ap 4 | 7.60a ± 0.51 | 4.04a ± 0.12 | 3.31a ± 0.17 | |
| Control | 0.00k ± 0.00 | 0.00k ± 0.00 | 0.00h ± 0.00 |
Means within a column followed by the same letter(s) are not significantly different (P < 0.05, Duncan's Multiple Range Test).