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 | 42.1 ± 2.2cd | 65.1 ± 0.7e | 81.8 ± 1.8c | 63.0 ± 11.5a |
15 | 46.5 ± 0.4c | 67.7 ± 1.5de | 83.4 ± 0.2c | 65.9 ± 10.7a | |
Lecanicillium lecanii (1 × 109 CFU/ml) | 10 | 41.3 ± 2.4cd | 65.6 ± 1.3e | 83.0 ± 0.3c | 63.3 ± 12.1a |
15 | 45.2 ± 1.1c | 72.0 ± 1.2cd | 85.1 ± 3.0c | 67.4 ± 11.7a | |
Metarhizium anisopliae (1 × 108 CFU/ml) | 10 | 37.7 ± 0.7d | 61.6 ± 2.8e | 81.3 ± 1.5c | 60.2 ± 12.6a |
15 | 40.8 ± 1.7cd | 64.0 ± 1.0e | 82.8 ± 1.7c | 62.5 ± 12.1a | |
Neem Baan (1% W/W) | 10 | 59.3 ± 2.3b | 77.4 ± 3.1bc | 90.9 ± 2.3b | 75.9 ± 9.2a |
15 | 62.6 ± 3.9b | 79.6 ± 1.5b | 92.4 ± 2.0b | 78.2 ± 8.6a | |
Malathion 50 EC | 4.0 | 77.5 ± 2.9a | 89.8 ± 2.8a | 98.1 ± 1.9a | 88.5 ± 6.0a |
F values | 35.5 | 22.2 | 10.2 | 0.8 | |
P | < 0.001 | < 0.001 | < 0.001 | 0.6 |