Skip to main content

Table 1 Virulence of isolates of the Metarhizium anisopliae, Beauveria bassiana, Verticillium lecanii, and Trichoderma harzianum towards the two-spotted spider mite, Tetranychus urticae

From: Virulence and proteolytic activity of entomopathogenic fungi against the two-spotted spider mite, Tetranychus urticae Koch (Acari: Tetranychidae)

Fungal conidial concs/mlLC50 (conidia/ml)LC90 (conidia/ml)*Toxicity index (%)Slope**Confidence intervals of LC50 (ppm)
LC50LC90UpperLower
Metarhizium anisopliae4.6 × 1052.4 × 1081001000.4699.9 × 1051.6 × 105
Beauveria bassiana3.3 × 1067.8 × 10913.943.070.3808.4x1061.3 × 106
Verticillium lecanii5.2 × 1062.1 × 1098.8511.430.4891.1x1072.6 × 106
Trichoderma harzianum9.4 × 1063.5 × 10104.890.680.3583.1x1073.7 × 106
  1. *Toxicity index was calculated with respect to Metarhizium anisopliae as the most effective fungus
  2. **Confidence intervals were calculated at P level < 0.05