Table 2.
Acyrthosiphon pisum stylet activity (d-C pattern) on an artificial diet as affected by luteolin and genistein
| Flavonoid added | Concentration (μg cm−3) | Number of penetrations/2 h | Time the first probing (min) | Average time of probing (min) |
|---|---|---|---|---|
| Control | 3.20 ± 1.47a | 7.23 ± 5.81b | 8.88 ± 5.86a | |
| Luteolin | 1 | 4.00 ± 0.45a | 19.97 ± 1.21ab | 18.86 ± 2.41a |
| 10 | 3.50 ± 0.65a | 17.92 ± 7.51ab | 20.33 ± 7.11a | |
| 100 | 4.40 ± 1.12a | 33.31 ± 8.62ab | 27.36 ± 5.72a | |
| 1,000 | 4.60 ± 0.96a | 21.28 ± 7.13ab | 33.29 ± 5.52a | |
| Genistein | 1 | 2.80 ± 0.01a | 2.95 ± 0.36b | 5.49 ± 0.36a |
| 10 | 2.90 ± 0.35a | 6.92 ± 3.62ab | 9.74 ± 2.93a | |
| 100 | 4.00 ± 0.93a | 27.08 ± 6.87ab | 18.70 ± 4.97a | |
| 1,000 | 3.40 ± 0.48a | 52.13 ± 4.23a | 36.44 ± 5.94a |
Values were derived from 2-h EPG recordings and are means ± SE; n = 10. Means in columns followed by different letters are different at P < 0.05 (Kruskal–Wallis test)