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Table 1 Lethal time (LT50 and LT90) for Sitophilus oryzae 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 4.87 (4.56–5.23) a* A** 7.84 (7.25–8.63) a B 3.17 4.57 (4.16–4.98) a A 6.42 (5.87–7.27) a B 4.57
TR-07 4.78 (4.22–5.43) a A 7.67 (6.75–9.26) a B 12.79 3.73 (3.47–3.98) b A 5.96 (5.59–6.42) a B 8.17
TR-78-3 2.75 (2.54–2.97) b A 4.17 (3.84–4.63) b B 1.30 3.34 (3.08–3.60) b A 5.62 (5.25–6.08) a B 9.37
TR-106 2.88 (2.68–3.13) b A 4.47 (4.09–5.02) b B 3.32 2.20 (-----) c A 3.82 (-----) b B 11.87
TR-217 5.14 (4.47–6.04) a A 8.26 (7.08–10.59) a B 16.28 3.17 (3.02–3.32) b A 3.94 (3.74–4.22) b B 3.67
F 17.642 11.627   34.481 24.935  
P 0.000 0.001   0.000 0.000  
  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)