Table 4 Sublethal effects (LC25) of aqueous and methanolic extracts of Acroptilone repense on developmental time adult longevity and fecundity of Trialeurodes vaporariorum.

From: Biocontrol potential of aqueous and methanolic extracts of Russian knapweed, Acroptilon repens, L. (Asteraceae) against Trialeurodes vaporariorum (Hemiptera: Aleyrodidae)

Biological parameters

Treatments

Traits

Control

Aqueous extract

Methanolic extract

Egg (days)

5.04 ± 0.08b

6.64 ± 0.18a

6.41 ± 0.13a

N1 (days)

3.63 ± 0.07b

4.96 ± 0.13a

5.18 ± 0.13a

N2 (days)

3.74 ± 0.09c

4.19 ± 0.12b

4.55 ± 0.14a

N3 (days)

4.54 ± 0.08a

4.72 ± 0.12a

4.48 ± 0.13a

Pupa (days)

5 ± 0.09a

4.45 ± 0.15b

4.00 ± 0.16c

Pre-adult (days)

21.74 ± 021b

24.66 ± 0.34a

24.78 ± 0.55a

Preadult survival rate (%)

0.92 ± 0.23a

0.61 ± 0.05c

0.66 ± 0.05b

Male longevity (days)

4.41 ± 0.39a

2.84 ± 0.24b

2.5 ± 0.25b

Total male longevity (days)

26.23 ± 0.44b

27.69 ± 0.45b

26.25 ± 0.66

Female longevity (days)

7.36 ± 0.32a

4.12 ± 0.31b

4.18 ± 0.29b

Total female longevity (days)

29.04 ± 0.39a

28.54 ± 0.74b

30.65 ± 0.94a

APRP (days)

1.00 ± 0.10a

2.80 ± 0.53a

0.71 ± 0.19a

TPRP (days)

22.68 ± 0.29c

25.73 ± 0.74b

27.18 ± 0.76a

Reproductive days (days)

6.28 ± 0.32a

2.41 ± 0.26b

2.53 ± 0.24b

Reproduction (eggs/female)

35.52 ± 2.47a

7.23 ± 1.04b

6.35 ± 1.41b

  1. The means followed by different letters in each row are significantly different (paired-bootstrap at 5% significance level).
  2. N Nymphal stage, APRP adult pre-reproductive period, TPRP total pre-reproductive period.