Table 4.
Repellency data regarding different concentration and exposure of time against 2nd instar larvae of M. domestica (L.).
| Weed plants | Conc. | Time |
Mean | |||
|---|---|---|---|---|---|---|
| 1 h | 12 h | 24 h | 48 h | |||
| Azadirachta indica (F = 68.31 ; d.f. = 4; P < 0.05) | 5% | 20.00 ± 7.70 | 15.56 ± 4.44 | 6.67 ± 0.00 | 6.67 ± 0.00 | 12.22 ± 2.57E |
| 10% | 37.78 ± 4.45 | 28.89 ± 4.44 | 15.56 ± 4.44 | 15.56 ± 4.44 | 24.44 ± 3.42D | |
| 15% | 55.67 ± 0.00 | 46.56 ± 4.44 | 24.44 ± 4.44 | 20.00 ± 7.70 | 36.67 ± 4.96C | |
| 20% | 64.56 ± 4.44 | 55.44 ± 4.44 | 33.89 ± 4.44 | 28.33 ± 1.93 | 45.56 ± 4.79B | |
| 25% | 68.44 ± 4.44 | 64.89 ± 4.44 | 58.63 ± 1.01 | 42.22 ± 4.45 | 58.55 ± 3.47A | |
| Mean | 49.29 ± 4.48A | 42.26 ± 5.82A | 27.83 ± 4.89B | 22.55 ± 3.80B | ||
| Penganum harmala (F = 50.70; d.f. = 4; P < 0.05) | 5% | 20.00 ± 7.70 | 15.56 ± 4.44 | 12.22 ± 4.45 | 11.11 ± 4.44 | 14.22 ± 3.05D |
| 10% | 37.78 ± 4.45 | 28.89 ± 4.44 | 24.00 ± 7.70 | 20.44 ± 4.44 | 27.78 ± 3.05C | |
| 15% | 64.44 ± 16.0 | 60.00 ± 15.4 | 37.78 ± 8.89 | 37.78 ± 4.45 | 50.00 ± 6.38B | |
| 20% | 91.11 ± 4.44 | 77.78 ± 4.45 | 51.11 ± 8.89 | 46.67 ± 7.70 | 66.67 ± 6.25A | |
| 25% | 95.56 ± 4.44 | 86.67 ± 7.70 | 68.89 ± 4.44 | 55.56 ± 4.44 | 76.67 ± 5.22A | |
| Mean | 61.78 ± 8.52A | 53.78 ± 8.01A | 38.80 ± 6.79B | 34.31 ± 4.67B | ||
| D. stramonium (F = 110.40 d.f. = 4; P < 0.05) | 5% | 37.78 ± 2.26f | 33.33 ± 0.00f | 12.22 ± 4.45 h | 6.67 ± 0.00gh | 22.50 ± 4.86E |
| 10% | 55.56 ± 3.13 cd | 42.22 ± 4.45ef | 15.56 ± 2.94 g | 15.56 ± 2.94 g | 32.22 ± 5.42D | |
| 15% | 68.89 ± 4.44b | 64.44 ± 4.44bc | 33.33 ± 1.93f | 33.33 ± 0.00f | 50.00 ± 5.24C | |
| 20% | 91.11 ± 4.44a | 68.89 ± 4.44b | 44.78 ± 4.45f | 37.22 ± 2.45def | 60.50 ± 6.60B | |
| 25% | 100.00 ± 0.00a | 73.33 ± 7.70b | 68.21 ± 8.21b | 51.11 ± 4.84de | 73.16 ± 5.90A | |
| Mean | 70.67 ± 6.21A | 56.44 ± 4.59B | 34.82 ± 6.26C | 28.77 ± 4.61C | ||
| Tribulus terrestris (F = 38.90; d.f. = 4; P < 0.05) | 5% | 15.56 ± 4.44efg | 11.11 ± 4.44 fg | 6.67 ± 0.00 g | 6.67 ± 0.00 g | 10.00 ± 1.74D |
| 10% | 24.44 ± 4.44def | 15.56 ± 4.44efg | 11.11 ± 4.44 fg | 11.11 ± 4.44 fg | 15.56 ± 2.51D | |
| 15% | 37.78 ± 4.45 cd | 24.44 ± 4.44def | 20.00 ± 0.00efg | 15.56 ± 4.44efg | 24.44 ± 3.00C | |
| 20% | 60.00 ± 7.70b | 28.89 ± 4.44cde | 24.44 ± 4.44def | 24.44 ± 4.44def | 34.44 ± 5.05B | |
| 25% | 82.22 ± 4.45a | 42.22 ± 4.45c | 42.89 ± 4.44cde | 28.22 ± 11.76c | 48.89 ± 6.73A | |
| Mean | 44.00 ± 6.79A | 24.44 ± 3.36B | 21.02 ± 2.56B | 17.20 ± 4.11B | ||
| Chenopodium murale (F = 16.68; d.f. = 4; P < 0.05) | 5% | 11.11 ± 4.44 | 11.11 ± 4.44 | 6.67 ± 4.45 | 2.22 ± 0.00 | 7.78 ± 1.98C |
| 10% | 24.44 ± 4.44 | 15.56 ± 4.44 | 11.11 ± 4.44 | 11.11 ± 4.44 | 15.56 ± 2.51B | |
| 15% | 28.89 ± 4.44 | 20.00 ± 7.70 | 15.06 ± 3.86 | 13.56 ± 4.44 | 19.38 ± 2.91AB | |
| 20% | 33.33 ± 0.00 | 24.44 ± 4.44 | 20.00 ± 2.50 | 15.00 ± 0.00 | 23.19 ± 2.30A | |
| 25% | 37.78 ± 4.45 | 28.89 ± 4.44 | 20.62 ± 1.74 | 16.00 ± 0.00 | 25.82 ± 3.64A | |
| Mean | 27.11 ± 2.87A | 20.00 ± 2.60B | 14.69 ± 1.81C | 11.57 ± 1.75C | ||