Plant*Predator*Treatment | Post treatment intervals (hours) | ||||||||
---|---|---|---|---|---|---|---|---|---|
0 h | 2 h | 12 h | 24 h | 48 h | 72 h | 168 h | |||
Mean number of each predator ± SE | |||||||||
Okra | Coccinella | Control | 11.00 ± 2.55a | 8.00 ± 1.23def | 22.25 ± 2.66 c | 21.25 ± 2.32b | 19.75 ± 1.44b | 18.50 ± 1.19c | 17.75 ± 2.90c |
Sulphur treated | 14.75 ± 1.80a | 3.25 ± 1.89hij | 8.25 ± 1.44 e | 7.00 ± 1.08fg | 9.50 ± 1.19def | 11.25 ± 1.11ef | 12.75 ± 3.75defg | ||
Untreated second area | 9.75 ± 2.10a | 7.75 ± 1.03defg | 12.75 ± 2.66 d | 13.25 ± 1.25cd | 16.50 ± 3.66bc | 15.00 ± 2.80d | 15.75 ± 1.44cd | ||
Chrysoperla | Control | 3.75 ± 0.25a | 5.00 ± 0.91fgh | 5.25 ± 0.63 fg | 3.25 ± 0.25ghi | 4.75 ± 0.48gh | 6.50 ± 0.65g | 7.00 ± 0.41hi | |
Sulphur treated | 4.50 ± 0.29a | 0.25 ± 0.25j | 0.75 ± 0.25 h | 3.00 ± 0.41hi | 5.00 ± 0.41fgh | 6.25 ± 0.48g | 8.75 ± 0.48hi | ||
Untreated second area | 4.25 ± 0.25a | 3.00 ± 0.71hij | 3.75 ± 0.48 g | 4.50 ± 0.65ghi | 5.75 ± 0.85efgh | 4.75 ± 0.48gh | 7.00 ± 0.41hi | ||
Stethorus | Control | 6.52 ± 1.26a | 4.50 ± 1.32ghi | 8.75 ± 1.25e | 8.75 ± 2.43ef | 8.25 ± 1.32efg | 7.00 ± 1.22g | 8.75 ± 1.49ghi | |
Sulphur treated | 6.75 ± 1.25a | 1.25 ± 0.75ij | 0.25 ± 0.25h | 0.75 ± 0.25i | 2.50 ± 0.87h | 1.25 ± 0.25i | 2.50 ± 0.87j | ||
Untreated second area | 5.50 ± 1.44a | 4.25 ± 1.32hi | 6.25 ± 0.75efg | 4.25 ± 1.18ghi | 7.25 ± 1.44efg | 6.75 ± 1.49 g | 7.00 ± 0.71hi | ||
Marrow | Coccinella | Control | 13.75 ± 1.80a | 11.00 ± 1.29d | 15.00 ± 2.65d | 17.00 ± 1.29c | 13.50 ± 2.50cd | 14.00 ± 0.41de | 13.50 ± 1.55def |
Sulphur treated | 16.00 ± 3.37a | 6.25 ± 1.80efgh | 6.75 ± 0.85ef | 6.25 ± 1.32fgh | 10.00 ± 1.16de | 12.25 ± 0.85de | 15.25 ± 1.84cde | ||
Untreated second area | 16.25 ± 0.85a | 25.50 ± 1.44b | 27.75 ± 0.75b | 30.00 ± 2.58a | 28.25 ± 3.92a | 22.75 ± 2.56b | 23.75 ± 2.39b | ||
Chrysoperla | Control | 19.25 ± 0.95a | 21.50 ± 1.04c | 28.00 ± 0.58b | 30.00 ± 1.08a | 28.75 ± 0.85a | 26.25 ± 0.85a | 30.25 ± 0.85a | |
Sulphur treated | 18.00 ± 0.71a | 8.50 ± 1.04de | 7.50 ± 0.65ef | 12.50 ± 1.32de | 15.50 ± 1.04bc | 13.50 ± 0.65de | 11.50 ± 0.50efg | ||
Untreated second area | 19.00 ± 1.29a | 30.00 ± 1.08a | 31.00 ± 1.08a | 33.00 ± 1.08a | 19.75 ± 0.85b | 15.50 ± 1.08d | 11.00 ± 0.91fgh | ||
Stethorus | Control | 6.50 ± 2.22a | 4.50 ± 1.32ghi | 8.75 ± 1.25e | 7.00 ± 1.58fg | 8.25 ± 1.32efg | 7.25 ± 1.11g | 7.00 ± 1.22hi | |
Sulphur treated | 6.75 ± 2.06a | 1.25 ± 0.75ij | 0.00 ± 0.00h | 0.75 ± 0.25i | 2.25 ± 0.85h | 2.00 ± 0.41hi | 2.50 ± 0.87j | ||
Untreated second area | 4.75 ± 0.48a | 4.00 ± 0.71hi | 6.25 ± 0.75efg | 4.25 ± 1.81ghi | 7.25 ± 1.44efg | 8.00 ± 0.82fg | 6.75 ± 0.63i | ||
F value | 0.668NS | 10.605** | 32.231** | 16.664** | 10.609** | 13.646** | 18.152** | ||
LSD at 5% | – | 3.437 | 2.842 | 3.888 | 4.681 | 3.283 | 4.239 | ||
P value | – | 0.0000 | 0.0000 | 0.0000 | 0.0000 | 0.0000 | 0.0000 |