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Table 3 Toxicity of 4G1 to 2nd, 3rd and 4th larval instars of tomato pinworm Tuta absoluta

From: Potential of standard strains of Bacillus thuringiensis against the tomato pinworm, Tuta absoluta (Meyrick) (Lepidoptera: Gelechiidae)

Larval stage Slope SEa χ2b LC50 (μg/ml) Confidence limits (95%) LC95 (μg/ml) Confidence limits (95%)
Lower limit Upper limit Lower limit Upper limit
2nd instar 2.40 0.75 0.57 19.82 15.64 34.83 95.52 46.26 1811.28
3rd instar 3.47 1.42 0.50 23.16 18.42 75.15 68.98 36.91 1831.69
4th instar 2.81 0.77 1.07 24.54 19.99 39.08 94.14 51.49 669.80
  1. aStandard error
  2. bChi-square