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Table 4 Reproduction and life table parameters of Aphis gossypii F1 generation, originated from parents (F0) treated with LC5 and LC10 of thiamethoxam

From: Sublethal concentrations of thiamethoxam induce transgenerational hormesis in cotton aphid, Aphis gossypii Glover

Parametersa 

Control

Thiamethoxam (LC5)

Thiamethoxam (LC10)

Mean ± SE

Mean ± SE

Mean ± SE

R0 (offspring/individual)

32.03 ± 1.62 a

36.20 ± 2.00 a

35.80 ± 1.83 a

r (day−1)

0.2394 ± 0.0047 b

0.2606 ± 0.0065 a

0.2591 ± 0.0053 a

λ (day−1)

1.2705 ± 0.0059 b

1.2977 ± 0.0085 a

1.2958 ± 0.0068 a

T (days)

14.48 ± 0.16 a

13.77 ± 0.22 b

13.81 ± 0.15 b

F (nymphs/female)

34.62 ± 0.79 b

40.22 ± 0.64 a

38.70 ± 0.93 a

RPd (days)

22.05 ± 0.41 b

24.31 ± 0.32 a

24.32 ± 0.47 a

APRP (days)

0.11 ± 0.05 a

0.25 ± 0.08 a

0.22 ± 0.08 a

TPRP (days)

6.65 ± 0.10 a

5.89 ± 0.12 b

6.03 ± 0.10 b

  1. Standard errors were estimated by using the bootstrap technique with 100,000 resampling. Difference was compared using the paired bootstrap test (P < 0.05). The means within a row followed by a different lowercase letters indicate significant differences among the treatments
  2. a R0 net reproductive rate, r  intrinsic rate of increase; λ finite rate of increase; T   mean generation time; F   fecundity; RPd   reproductive days; APRP   adult prereproductive period; TPRP   total prereproductive period
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CABI Agriculture and Bioscience

ISSN: 2662-4044