Day 0 | Day 7 | Day 14 | Day 21 | Day 28 | |
---|---|---|---|---|---|
Untreated Control | |||||
Arithmetic mean | 71.7 (16.4) | 77.3 (9.2) | 60.3 (10.4) | 72.3 (15.7) | 77.3 (10.8) |
Geometric mean | 70.2a | 76.9a | 59.6a | 71.0a | 76.7b |
Imidacloprid | |||||
Arithmetic mean | 7.2 (6.2) | 10.2 (6.7) | 5.8 (4.6) | 7.8 (3.0) | 16.8 (9.3) |
Geometric mean | 4.7a,d | 8.6a,d | 3.9a | 7.4a,d | 14.8b |
% Reduction from Control | 93.3 | 88.9 | 93.4 | 89.6 | 80.8 |
Fipronil/(S)-methoprene | |||||
Arithmetic mean | 14.8 (19.8) | 4.7 (6.6) | 5.3 (9.8) | 6.3 (5.6) | 24.7 (11.6) |
Geometric mean | 5.0a,d | 2.0a | 2.0a | 4.9a,d | 21.7b |
% Reduction from Control | 92.9 | 97.4 | 96.6 | 93.1 | 71.7 |
Spinetoram | |||||
Arithmetic mean | 22.5 (17.1) | 3.5 (4.7) | 3.2 (3.5) | 1.2 (1.6) | 13.3 (12.9) |
Geometric mean | 16.4a,d | 1.8a,d | 2.1a | 0.8a,d | 8.6b |
% Reduction from Control | 76.6 | 97.7 | 96.5 | 98.9 | 88.8 |