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Table 6 Life table parameters (mean ± SE) of T. absoluta treated as second instar larvae by LC50 values of B. thuringiensis or B. bassiana

From: Microbial biopesticides affected age-stage life table of the tomato leaf miner, Tuta absoluta (Lepidoptera – Gelechiidae)

Population parameter (Mean ± SE) F(df) P value
Control B. thuringiensis B. bassiana
The net reproductive rate (R0) 101.3 ± 18.9 a 38.73 ± 11.98 b 44.57 ± 11.92 b 5.57(2,87) 0.013
The intrinsic rate of increase (r m ) 0.142 ± 0.01a 0.097 ± 0.01 b 0.099 ± 0.01 b 11.88(2,87) 0.041
The finite rate of increase (λ) 1.15 ± 0.01 a 1.10 ± 0.01 b 1.11 ± 0.01b 13.34(2,87) 0.029
The mean generation time (T0) 32.69 ± 0.4 a 38.09 ± 0.83 b 38.57 ± 0.58 b 26.98 (2,87) < 0.0001
Doubling time (DT) 4.9 ± 0.3 a 7.1 ± 0.4 b 7.0 ± 0.3 b 13.62(2,87) < 0.0001
  1. Means followed by the same letter, in the same row, are not significantly different (P ˃ 0.05)