Table 6. Changes in the activity of glutathione transferase (nmol CDNB conjugated/min/g fresh weight) in maize seedlings after the rose-grass aphid infestation.
| Cultivar | Control (non-infested) | Feeding time(h) | |||||||
|---|---|---|---|---|---|---|---|---|---|
| 24 | 48 | 72 | 96 | ||||||
| 30 aphids | 60 aphids | 30 aphids | 60 aphids | 30 aphids | 60 aphids | 30 aphids | 60 aphids | ||
| Ambrozja | 15±1.83c | 18±3.83bc | 20±2.94ab | 19±3.56abc | 20±3.37ab | 21±3.37ab | 21±3.92ab | 23±3.74a | 21±3.27ab |
| Złota Karłowa | 22±2.58d | 24±3.65cd | 25±3.83cd | 24±3.16cd | 27±4.08bcd | 25±3.74bcd | 30±4.55bc | 26±3.74b | 35±3.16a |
| Płomyk | 16±1.29e | 24±2.58d | 24±3.16d | 25±3.37cd | 28±2.94bcd | 29±2.94bc | 33±2.94a | 32±2.71ab | 38±2.93a |
Values are means ± standard deviation (SD) of four independent plant homogenates; different letters in rows denote significant differences according to Fisher’s LSD test (p<0.001)