Table 1.
Effect of psyllid stage and CLas infection on mean (±SEM, n = 33 for infected, 18 for healthy) frequency (no. of bouts) of feeding activities by Diaphorina citri adults and nymphs on citron during 42 h EPG recordings.
| Waveform* | Effect | Psyllid stage | Plant infection | F-value | P > F | ||
|---|---|---|---|---|---|---|---|
| Nymph | Adult | Healthy | Infected | ||||
| C | Stage | 32 ± 4 | 60 ± 4 | 33.1 | 0.001 | ||
| Plant infection | 49 ± 5 | 45 ± 3 | 0.03 | 0.84 | |||
| Interaction | 10.1 | 0.002 | |||||
| D | Stage | 13 ± 1 | 6 ± 1 | 8.7 | 0.004 | ||
| Plant infection | 8 ± 1 | 10 ± 1 | 1.2 | 0.27 | |||
| Interaction | 6.1 | 0.01 | |||||
| E1 | Stage | 13 ± 1 | 6 ± 1 | 8.7 | 0.004 | ||
| Plant infection | 8 ± 1 | 10 ± 1 | 1.2 | 0.27 | |||
| Interaction | 6.1 | 0.01 | |||||
| E2 | Stage | 9 ± 1 | 5 ± 1 | 7.7 | 0.006 | ||
| Plant infection | 6 ± 1 | 7 ± 1 | 0.02 | 0.86 | |||
| Interaction | 2.6 | 0.11 | |||||
| G | Stage | 3 ± 1 | 14 ± 1 | 39.7 | 0.0001 | ||
| Plant infection | 6 ± 1 | 10 ± 1 | 5.4 | 0.02 | |||
| Interaction | 0.4 | 0.52 | |||||
| Np | Stage | 16 ± 4 | 41 ± 4 | 33.4 | 0.0001 | ||
| Plant infection | 35 ± 4 | 26 ± 3 | 1.5 | 0.22 | |||
| Interaction | 9.1 | 0.003 | |||||