| 28 Jul. | 7 Aug. | 17 Aug. | 27 Aug. | 6 Sep. | 16 Sep. | 26 Sep. | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Releasing rate per plant | Infestation | Infestation | Reduction | Infestation | Reduction | Infestation | Reduction | Infestation | Reduction | Infestation | Reduction | Infestation | Reduction |
Control (untreated plants) | 32.73 ± 2.5A | 5.33 ± 2.8A |  | 6.73 ± 3.9A |  | 6.93 ± 3.7A |  | 5.93 ± 3.7A |  | 7.07 ± 4.6A |  | 7.00 ± 4.2A | – |
5 | 3.13 ± 3.0A | 2.47 ± 2.5B | 53.60 ± 27.4 | 0.60 ± 1.1B | 91.06 ± 6.6 | 0.13 ± 0.5B | 97.98 ± 4.5 | 0.00B | 100 | 0.00B | 100 | 0.00B | 100 |
10 | 2.60 ± 2.8A | 0.60 ± 1.1C | 89.06 ± 12.6 | 0.13 ± 0.5B | 97.92 ± 4.7 | 0.00B | 100 | 0.00B | 100 | 0.00B | 100 | 0.00B | 100 |
F values (with df = 2.42) | 0.151 | 16.839 | – | 35.870 | – | 51.947 | – | 39.549 | – | 34.848 | – | 40.833 | – |
T values (with df = 1.8) | – | – | 2.633 | – | 1.905 | – | 1.000 | – | – | – | – | – |  |
P | 0.861 | < 0.001 | 0.030 | < 0.001 | 0.093 | < 0.001 | 0.347 | < 0.001 | – | < 0.001 | – | < 0.001 | – |