Table2 Mean (± SE) flavonoids, polyphenol and alkaloid contents of methanolic extract of aerial parts of Acroptilon repens.

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

Parameters

Treatments (Mean ± SE)

No

F

Sig

t

df

Sig

Control

Methanolic extract

Flavonoid (mg/g DW)

6.21 ± 0.01

11.16 ± 0.13

3

14.50

0.019

− 12.35

4

0.006

Phenol (mg/g DW)

14.87 ± 0.70

69.80 ± 1.43

3

13.30

0.022

− 40.62

4

0.001

Alkaloid (mg/g DW)

194.696 ± 3.56

340.454 ± 1.892

3

0.943

0.386

− 36.13

4

0.000

  1. DW dry weight of aerial parts of Acroptilon repens.