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Table 4 Insecticidal activity of the extracts of Ailanthus altissima against second-instar yellow fever mosquito larvae (Aedes aegypti) 24 h post-treatment*.

From: Plant growth regulatory effect and insecticidal activity of the extracts of the Tree of Heaven (Ailanthus altissima L.)

Fraction A

Conc. (ppm)

0

49

195

778

 

Mortality (%)

0

0

50

100

Fraction B

Conc. (ppm)

0

46

182

726

 

Mortality (%)

0

0

0

7

Fraction C

Conc. (ppm)

0

38

150

778

 

Mortality (%)

0

0

0

0

α-terthienyl

Conc. (ppm)

0

0.1

1.0**

-

 

Mortality (%)

0

100

100

-

  1. *Data are the average of three replicates. ** Tested in dark. The others are in the ambient room light.
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BMC Ecology

ISSN: 1472-6785

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