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Egyptian Journal of Biological Pest Control

Table 1 Virulence of Bb10331 and Bb7725 to Hyphantria cunea

From: On the virulence of two Beauveria bassiana strains against the fall webworm, Hyphantria cunea (Durry) (Lepidoptera: Erebidae), larvae and their biological properties in relation to different abiotic factors

Strain

Median lethal concentration after 120 h

Median lethal time at 1 × 108 conidia·ml−1

LC50 (95% CI)/×106 conidia·ml−1

Correlation coefficient

LT50 (95% CI)/h

Correlation coefficient

Bb-10331

4.72 (2.46~10.67)

0.9884

74.54 (69.11~80.61)

0.9732

Bb-7725

3.28 (1.76~6.88)

0.9749

71.13 (65.96~76.66)

0.9749

  1. LC50 and LT50 refer to median lethal concentration and median lethal time, respectively
  2. The 95% confidence intervals (CI) were calculated by delta method that accounts for asymptotic relationships
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