Extracts

Conc. (ppm)

% Emergence

Inhibition (EI)

EI₅₀ (95% FL)

EI₉₀ =(95% FL)

R²

χ²

Methanol crude

extract

500

46.7 ± 5.7^a

590.2

1763.4

0.62

111.7***

750

58.3 ± 12.5^a

368.4 - 729.1

1330.4 - 3700.9

1000

68.3 ± 12.5^ab

1250

76.6 ± 18.9^ab

1500

93.3 ± 7.6^b

F value

6.2**

Hexane fraction

500

16.7 ± 2.8^a

842.3

1756.9

0.93

48.1***

750

46.7 ± 12.5^b

766.2 - 916.2

1523.5 - 2177.6

1000

60.0 ± 5.0^bc

1250

71.7 ± 2.8^cd

1500

86.7 ± 12.5^d

F value

29.7***

Ethyl acetate

fraction

500

13.3 ± 2.8^a

982.0

2050.0

0.92

32.1**

750

26.7 ± 7.6^b

916.5 - 1053.4

1789.1 - 2487.425

1000

58.3 ± 5.7^c

1250

61.7 ± 7.6^c

1500

78.3 ± 5.7^d

F value

56.1***

Methanol

fraction

500

5.0 ± 5.0^a

1237.2

2545.0

0.88

46.3***

750

20.0 ± 5.0^a

1135.3 - 1381.0

2093.9 - 3490.4

1000

36.7 ± 7.6^b

1250

45.0 ± 5.0^b

1500

66.7 ± 15.2^c

F value

22.8***