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Table 2 Egg-hatching rates of Leptinotarsa decemlineata eggs treated with fourteen indigenous Beauveria bassiana isolates, egg-hatching inhibitory effects of tested fungal isolates, and mortality rates of fed 1st larval instar during molting to 2nd instar*

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

Isolate name Egg-hatching (%) Inhibition of egg-hatching (%) First instar mortality (%)
BbKm-1 70.0±0.0bc** 30.0 20.0±0.0d
BbKm-2 93.3±3.3a 6.7 6.7±3.3f
BbDm-1 10.0±0.0e 90.0 60.0±0.0a
BbFn-3 66.7±3.3bc 33.3 23.3±3.3cd
BbKp-1 43.3±3.3d 56.7 40.0±0.0b
BbAk-1 80.0±0.0ab 20.0 10.0±0.0ef
BbSr-1 76.7±6.7b 23.3 16.7±3.3e
BbKr-1 60.0±5.8c 40.0 33.3±3.3bc
BbDs-2 10.0±0.0e 90.0 63.3±3.3a
BbMg-1 60.0±0.0c 40.0 30.0±0.0c
BbMg-2 6.7±3.3e 93.3 60.0±5.8a
BbMp-1 10.0±0.0e 90.0 63.3±3.3a
BbGp-1 43.3±3.3d 56.7 40.0±0.0b
BbKl-1 66.7±3.3bc 33.3 26.7±3.3c
df 41 - 41
F 85.0 - 49.7
P 0.000 - 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 letter are not significantly different (Tukey’s HSD test; P < 0.05)