Table 3 Infestation reduction percentage of Earias insulana during two seasons
From: Influence of some insecticide sequences on the injurious insect- pests of cotton plants
Treatments | Percentage of infestation reduction | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
First spray | Second spray | Third spray | Fourth spray | General mean | |||||||||
1st week | 2nd week | Mean | 1st week | 2nd week | Mean | 1st week | 2nd week | Mean | 1st week | 2nd week | Mean | ||
Season 2017 | |||||||||||||
Sequence 1 | Profenofos | Profenofos | Cypermethrin | Cypermethrin | |||||||||
70.2 | 67.2 | 68.7c | 84.5 | 79.2 | 81.9a | 78.1 | 74.4 | 76.3b | 80.7 | 77.3 | 79.0b | 76.5d | |
Sequence 2 | Spinosad | Profenofos | Spinosad | Carbosulfan | |||||||||
87.4 | 85.1 | 86.3ab | 92.8 | 88.0 | 90.4ab | 83.3 | 79.3 | 81.3a | 85.4 | 82.5 | 84.0a | 85.5b | |
Sequence 3 | Cypermethrin | Profenofos | Cypermethrin | Carbosulfan | |||||||||
93.4 | 88.8 | 91.1ab | 95.9 | 91.4 | 93.7ab | 86.0 | 85.0 | 85.5a | 90.0 | 88.0 | 89.0a | 89.8a | |
Sequence 4 | Carbosulfan | Carbosulfan | Cypermethrin | Cypermethrin | |||||||||
82.2 | 79.6 | 80.9a | 76.9 | 74.3 | 75.6c | 79.0 | 77.0 | 78.0b | 77.9 | 75.8 | 76.9b | 77.9b | |
Sequence 5 | Acetamiprid | Cypermethrin | Chlorfenapyr | Profenofos | |||||||||
94.6 | 92.5 | 93.6ab | 95.0 | 91.4 | 93.2ab | 91.3 | 89.2 | 90.8ab | 89.0 | 85.0 | 87.0a | 91.2ab | |
Sequence 6 | Profenofos | Spinosad | Cypermethrin | Carbosulfan | |||||||||
90.2 | 88.4 | 89.3a | 85.2 | 83.2 | 84.2a | 83.7 | 82.3 | 83.0a | 81.1 | 77.8 | 79.5b | 84.0a | |
Sequence 7 | Cypermethrin | Emmamectin benzoate | Indoxacarb | Profenofos | |||||||||
96.0 | 95.9 | 96.0ab | 96.3 | 93.0 | 94.7ab | 94.4 | 92.5 | 93.5ab | 92.8 | 90.3 | 91.6ab | 94.0ab | |
Season 2018 | |||||||||||||
Sequence 1 | Profenofos | Profenofos | Cypermethrin | Cypermethrin | |||||||||
73.6 | 68.1 | 71.4d | 84.0 | 81.4 | 82.7c | 75.8 | 72.2 | 74.0d | 85.9 | 82.0 | 84.0c | 78.0d | |
Sequence 2 | Spinosad | Profenofos | Spinosad | Carbosulfan | |||||||||
94.7 | 92.8 | 93.8a | 90.0 | 86.0 | 88.0b | 84.3 | 80.2 | 82.3c | 88.9 | 85.1 | 87.0 a | 87.8b | |
Sequence 3 | Cypermethrin | Profenofos | Cypermethrin | Carbosulfan | |||||||||
94.0 | 90.0 | 92.4a | 91.8 | 89.3 | 90.6a | 91.7 | 88.3 | 90.0a | 93.0 | 90.0 | 91.5a | 91.1a | |
Sequence 4 | Carbosulfan | Carbosulfan | Cypermethrin | Cypermethrin | |||||||||
84.6 | 81.4 | 83.0a | 74.6 | 72.4 | 73.5d | 86.5 | 83.4 | 85.0c | 79.2 | 76.1 | 77.7d | 79.8d | |
Sequence 5 | Acetamiprid | Cypermethrin | Chlorfenapyr | Profenofos | |||||||||
96.9 | 95.0 | 96.0a | 95.5 | 92.4 | 94.0a | 93.3 | 92.0 | 92.7a | 91.0 | 88.6 | 89.8ab | 93.1a | |
Sequence 6 | Profenofos | Spinosad | Cypermethrin | Carbosulfan | |||||||||
97.7 | 95.6 | 96.7a | 82.7 | 80.8 | 81.8a | 94.9 | 91.7 | 93.3a | 83.1 | 81.0 | 82.1a | 88.5b | |
Sequence 7 | Cypermethrin | Emmamectin benzoate | Indoxacarb | Profenofos | |||||||||
96.9 | 95.7 | 96.3a | 96.5 | 95.2 | 95.9a | 96.0 | 95.4 | 95.7a | 95.0 | 93.4 | 94.2a | 95.5a | |