Figure 1
Figure 2
The reaction of four Phalaenopsis species to D_ dadantii inoculation
| Species | 6 HPI | 12 HPI | 18 HPI | ||||||
|---|---|---|---|---|---|---|---|---|---|
| SrSD (mm) | DS (%) | RC | SrSD (mm) | DS (%) | RC | SrSD (mm) | DS (%) | RC | |
| P. amboinensis | 0.5 ± 0.1d | 7 ± 0.0 | R | 0.6 ± 0.5d | 7 ± 0.1 | R | 1.3 ± 0.8c | 20 ± 0.1 | R |
| P. pantherina | 2.7 ± 1.3c | 30 ± 0.1 | MR | 4.4 ± 3.2c | 50 ± 0.4 | MS | 7.9 ± 7.1b | 70 ± 0.5 | S |
| P. schilleriana | 4.4 ± 0.6b | 50 ± 0.0 | MS | 10.1 ± 2.5b | 93 ± 0.2 | VS | 15.4 ± 4.7a | 100 ± 0.2 | VS |
| P. amabilis | 7.9 ± 0.4a | 83 ± 0.1 | VS | 14.3 ± 1.4a | 100 ± 0.0 | VS | 20.0 ± 1.5a | 100 ± 0.0 | VS |
POD, PAL, and SA content in P_ amabilis and P_ amboinensis 12 hours post-inoculation
| Resistance level to dadantii D. | Treatment | POD (unit·min−1·mg−1 protein × 10−4) | PAL (unit·min−1·mg−1 protein × 10−4) | SA (ppm of fresh sample) |
|---|---|---|---|---|
| very susceptible | P. amabilis non-inoculated | 15.30 ± 6.93a | 12.20 ± 1.60a | 5.26 ± 0.22a |
| P. amabilis inoculated | 14.96 ± 11.78a | 10.78 ± 7.59a | 5.32 ± 0.46a | |
| resistant | P. amboinensis non-inoculated | 2.35 ± 0.22b | 1.54 ± 0.16b | 12.56 ± 2.83b |
| P. amboinensis inoculated | 1.64 ± 0.83b | 1.26 ± 0.44b | 12.88 ± 2.14b | |