Table 3. Feeding behaviour of Sitobion avenae feeding on mycorrhizal treated and control Triticum monococcum varieties MDR037 and MDR045.
| Variables | MDR037 |
MDR045 |
||
|---|---|---|---|---|
| Control | Mycorrhizal | Control | Mycorrhizal | |
| Qualifying replicates | 12 | 15 | 19 | 16 |
| Probing (tissue penetration): | ||||
| Number of probes | 8.467 ± 1.044 | 10.923 ± 0.727 | 9.471 ± 0.910 | 8.15 ± 1.317 |
| Duration of 1st probe | 30.658 ± 19.294 | 18.770 ± 4.742 | 26.153 ± 11.514 | 47.308 ± 17.567 |
| Pathway: | ||||
| Number of pathway periods (C) | 19 ± 2.3 | 18 ± 1.7 | 24 ± 2.1 | 15 ± 1.5 |
| Average time in pathway (C) | 9.119 ± 0.468 | 10.542 ± 0.336 | 7.865 ± 0.585 | 9.214 ± 0.428 |
| Salivation and phloem feeding: | ||||
| Time to 1st phloem feeding (E2) from 1st salivation (E1) | 152.417 ± 25.186 | 179.567 ± 26.329 | 269.557 ± 25.885 | 161.340 ± 20.312 |
| Number of phloem feeding events (E2) | 3.2 ± 0.21 | 2.46 ± 0.34 | 1.18 ± 0.58 | 2 ± 0.51 |
| Average time of phloem feeding event (E2) | 14.595 ± 11.371 | 24.069 ± 7.985 | 8.031 ± 1.243 | 56.330 ± 11.705 |
| Maximum time of a phloem feeding event (E2) | 39.523 ± 23.274 | 38.690 ± 16.829 | 12.911 ± 2 | 95.593 ± 22.165 |
| Number of sustained phloem events (sE2) | 0.8 ± 0.137 | 0.692 ± 0.176 | 0.294 ± 0.098 | 0.7 ± 0.142 |
| % time ingestion | 9.668 ± 3.556 | 7.279 ± 3.233 | 1.616 ± 0.920 | 12.862 ± 2.694 |
| Stylet penetration difficulties: | ||||
| Number of stylet penetration difficulties (F) | 5.7 ± 1 | 2.1 ± 0.7 | 9.8 ± 1 | 3.2 ± 0.4 |
Mean (±SE) EPG variables; total duration (in seconds), frequency and average duration (predicted means) from 8 hour recordings of feeding.