Table 3. Comparative effect of different levels (0.1 mM, 1 Mm) of JA foliar application on aphid population in two wheat varieties, Borlaug-2015 and Zincol-2015, at different time intervals.
Mean ± SE (n = 3). Different letters within a column indicate significant difference between the treatments (p < 0.05).
| Time interval | Treatments | Borlaug-2015 | Zincol-2015 |
|---|---|---|---|
| Before JA spray | Aphid | 49 ± 6a | 38 ± 2a |
| Aphid+0.1 mM JA | 25 ± 8b | 23 ± 7b | |
| Aphid+1 mM JA | 41 ± 5a | 25 ± 6b | |
| After 1 day of spray | Aphid | 49 ± 2a | 40 ± 4a |
| Aphid+0.1 mM JA | 11 ± 4b | 12 ± 3b | |
| Aphid+1 mM JA | 9 ± 8c | 4 ± 3c | |
| After 3 days | Aphid | 54 ± 9a | 46 ± 2a |
| Aphid+0.1 mM JA | 16 ± 4b | 14 ± 5b | |
| Aphid+1 mM JA | 15 ± 2c | 7 ± 1c | |
| After 7 days | Aphid | 58 ± 2a | 46 ± 5a |
| Aphid+0.1 mM JA | 15 ± 6b | 11 ± 1b | |
| Aphid+1 mM JA | 14 ± 5c | 9 ± 2c |