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Table 5 Percentage mortalities of 0–48-h-old adults of Leptinotarsa decemlineata in response to the tested Beauveria bassiana isolates at 3, 5, 7, and 9 days after treatment under laboratory conditions

From: Efficacy of indigenous isolates of Beauveria bassiana (Balsamo) Vuillemin (Deuteromycota: Hyphomycetes) against the Colorado potato beetle, Leptinotarsa decemlineata (Say) (Coleoptera: Chrysomelidae)

Isolate name Percent mortality (±SE) from a single-dose trial* df F P
3 days 5 days 7 days 9 days
BbKm-1 0.0±0.0aB** 6.7±3.3cdB 13.3±3.3bB 36.7±8.8eA 11 10.2 0.004
BbKm-2 0.0±0.0aC 16.7±3.3abcdBC 26.7±6.7abAB 40.0±0.0deA 11 20.5 0.000
BbDm-1 6.7±3.3aC 33.3±3.3aB 43.3±6.7abB 93.3±3.3abA 11 67.6 0.000
BbFn-3 0.0±0.0aC 3.3±3.3dBC 13.3±3.3bB 46.7±3.3deA 11 54.6 0.000
BbKp-1 3.3±3.3aB 10.0±5.8bcdB 23.3±8.8abAB 53.3±8.8cdeA 11 9.8 0.005
BbAk-1 0.0±0.0aC 3.3±3.3dC 26.7±3.3abB 56.7±6.7cdeA 11 41.1 0.000
BbSr-1 10.0±5.8aB 13.3±8.8abcdB 30.0±10.0abB 76.7±6.7abcA 11 14.8 0.001
BbKr-1 3.3±3.3aB 10.0±5.8bcdB 20.0±5.8abB 80.0±0.0abcA 11 63.4 0.000
BbDs-2 10.0±5.8aC 26.7±3.3abcBC 46.7±8.8aB 96.7±3.3aA 11 42.3 0.000
BbMg-1 3.3±3.3aB 16.7±3.3abcdB 20.0±0.0abAB 36.7±6.7eA 11 11.3 0.003
BbMg-2 16.7±3.3aB 30.0±0.0abB 36.7±8.8abB 93.3±3.3abA 11 45.7 0.000
BbMp-1 10.0±5.8aB 26.7±3.3abcC 50.0±0.0aB 93.3±6.7abA 11 58.8 0.000
BbGp-1 3.3±3.3aB 10.0±5.8bcdB 23.3±6.7abB 66.7±8.8bcdA 11 19.4 0.000
BbKl-1 0.0±0.0aC 6.7±3.3cdC 30.0±5.8abB 80.0±0.0abcA 11 118.3 0.000
df 41 41 41 41    
F 2.2 5.1 3.3 15.7    
P 0.035 0.000 0.004 0.000    
  1. *In a single-dose trial, all the isolates were tested at a concentration of 1 × 107 conidia/ml
  2. **Means in a column followed by the same lowercase letter are not significantly different, and means in a row followed by the same uppercase letter are not significantly different (Tukey’s HSD test; P < 0.05)