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Table 2 Lethal time (LT50 and LT90) for Sitophilus granarius treated with the tested entomopathogenic fungal isolates at 20 and 25 °C

From: Efficacy of entomopathogenic fungi against the stored-grain pests, Sitophilus granarius L. and S. oryzae L. (Coleoptera: Curculionidae)

Isolates*** Temperatures
20 °C 25 °C
LT50 (95% confidence limit) LT90 (95% confidence limit) χ 2 LT50 (95% confidence limit) LT90 (95% confidence limit) χ 2
TR-01 3.21 (2.45–3.99) ab* A** 5.50 (4.57–7.45) a B 20.64 4.01 (3.29–4.78) b A 5.90 (5.07–7.60) b B 32.61
TR-07 6.03 (5.54–6.67) a A 10.09 (9.02–11.70) a B 4.88 7.26 (6.13–9.96) a A 11.39 (9.09–17.83) a A 14.35
TR-78-3 2.43 (1.27–4.05) b A 4.13 (3.07–10.40) a A 16.92 2.78 (1.96–3.72) b A 4.52 (3.62–7.08) b A 21.05
TR-106 2.71 (1.93–3.80) b A 4.47 (3.51–7.92) a A 10.19 2.82 (2.52–3.26) b A 4.54 (3.93–5.60) b B 2.96
TR-217 2.95 (1.95–5.42) a b A 5.35 (3.88–14.57) a A 11.03 3.91 (3.66–4.17) b A 6.11 (5.74–6.58 b B 8.66
F 4.310 1.092   11.514 6.234  
P 0.028 0.411   0.001 0.009  
  1. *The same small letters within columns indicates no significant differences between means
  2. **The same capital letters within rows indicates no significant differences between means
  3. ***TR-01 (Simplicillium lamellicola), TR-07 (Lecanicillium muscarium), TR-78-3 (Isaria fumosorosea), TR-106 (Metarhizium anisopliae), and TR-217 (Beauveria bassiana)