Table 3.
Disease score (DS), percent disease incidence (PDI) and percent disease severity (PDS) for each fruit (cultivar), 7 days post inoculation with representative strains of Colletotrichum species.
| Isolate | Disease Score (DS) on a 0–9 scale | PDI (%) | Mean PDS (%) | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Control fruit | Replicate 1 (Reed) | Replicate 2 (Reed) | Replicate 3 (Hass) | ||||||||||||
| Test fruit 1 | Test fruit 2 | Test fruit 3 | PDS (%) | Test fruit 4 | Test fruit 5 | Test fruit 6 | PDS (%) | Test fruit 7 | Test fruit 8 | Test fruit 9 | PDS (%) | ||||
| GA050 (C. aenigma) | 0 | 9 | 9 | 9 | 100% | 9 | 9 | 9 | 100% | 7 | 7 | 7 | 77.77% | 100% | 92.59 ± 7.66 |
| GA524 (C. alienum) | 0 | 7 | 9 | 9 | 92.59% | 9 | 9 | 9 | 100% | 7 | 7 | 7 | 77.77% | 100% | 90.12 ± 6.74 |
| GA186 (C. fructicola) | 0 | 7 | 9 | 9 | 92.59% | 7 | 7 | 7 | 77.77% | 9 | 7 | 7 | 85.18% | 100% | 85.18 ± 4.33 |
| GA070 (C. gloeosporoides) | 0 | 7 | 9 | 9 | 92.59% | 7 | 7 | 7 | 77.77% | 7 | 7 | 7 | 77.77% | 100% | 82.71 ± 5.00 |
| GA206 (C. karstii) | 0 | 7 | 7 | 7 | 77.77% | 7 | 5 | 7 | 70.37% | 7 | 1 | 7 | 55.55% | 100% | 67.89 ± 6.48 |
| GA253 (C. nupharicola) | 0 | 7 | 7 | 7 | 77.77% | 7 | 7 | 7 | 77.77% | 5 | 1 | 3 | 33.33% | 100% | 62.95 ± 14.66 |
| GA100 = CBS 141365 (C. perseae sp. nov.) | 0 | 7 | 7 | 7 | 77.77% | 9 | 7 | 7 | 85.18% | 7 | 7 | 7 | 77.77% | 100% | 80.24 ± 2.66 |
| GA331 (C. siamense) | 0 | 9 | 7 | 9 | 92.59% | 7 | 7 | 7 | 77.77% | 7 | 7 | 9 | 85.18% | 100% | 85.88 ± 4.33 |
| GA002 (C. theobromicola) | 0 | 7 | 9 | 9 | 92.59% | 9 | 7 | 9 | 92.59% | 7 | 8 | 7 | 81.48% | 100% | 88.88 ± 3.66 |
PDI (%) = x/N × 100.
PDS (%) = Σ(a + b)/N.Z × 100.
Σ(a + b) = Sum of infected fruits and their corresponding score scale.
N = Total number of sampled fruits = 3.
Z = Highest score scale = 9.
x = Number of infected fruits = 3.