Treatment | Concentrations (ml/l) | Percent reduction over control in eggs of Bemisia tabaci per leaf *(mean ± SE) after different sprays | |||
---|---|---|---|---|---|
1st spray | 2nd spray | 3rd spray | Overall reduction (%) | ||
Beauveria bassiana (1 × 109 CFU/ml) | 10 | 41.8 ± 1.0e | 66.3 ± 1.8ef | 80.6 ± 0.3ef | 62.9 ± 11.3a |
15 | 45.5 ± 1.3d | 70.4 ± 0.4de | 85.5 ± 1.5de | 67.1 ± 11.7a | |
Lecanicillium lecanii (1 × 109 CFU/ml) | 10 | 41.2 ± 1.7e | 66.9 ± 0.8ef | 82.9 ± 2.3def | 63.7 ± 12.1a |
15 | 46.2 ± 0.8d | 72.8 ± 1.7cd | 86.5 ± 2.5cd | 68.5 ± 11.8a | |
Metarhizium anisopliae (1 × 108 CFU/ml) | 10 | 36.5 ± 0.9f | 63.9 ± 0.2f | 78.4 ± 0.7f | 59.6 ± 12.3a |
15 | 39.5 ± 0.9ef | 64.7 ± 0.4f | 82.4 ± 1.7def | 62.2 ± 12.4a | |
Neem Baan (1% W/W) | 10 | 59.8 ± 1.4c | 77.2 ± 0.9bc | 90.7 ± 1.0bc | 75.9 ± 8.9a |
15 | 63.7 ± 0.7b | 78.3 ± 2.8b | 93.3 ± 2.3ab | 78.4 ± 8.5a | |
Malathion 50 EC | 4.0 | 76.8 ± 0.6a | 87.6 ± 3.1a | 97.5 ± 1.2a | 87.3 ± 6.0a |
F values | 151.1 | 21.4 | 14.2 | 0.7 | |
P | < 0.001 | < 0.001 | < 0.001 | 0.7 |