Extracts

Conc. (ppm)

% Emergence

Inhibition (EI)

EI₅₀ (95% FL)

EI₉₀ (95% FL)

R²

χ²

Methanol crude

extract

500

18.3 ± 11.5^a

901.7

2162.0

0.68

125.1***

750

48.3 ± 7.6^b

750.4 - 1064.1

1628.9 - 4169.5

1000

48.3 ± 10.4^b

1250

58.3 ± 16.1^b

1500

86.7 ± 14.4^c

F value

11.7**

Hexane fraction

500

11.7 ± 12.5^a

873.2

1665.8

0.73

136.***

750

36.7 ± 16.1^a

751.5 - 992.8

1382.0 - 2371.0

1000

70.0 ± 10.0^b

1250

73.3 ± 15.2^b

1500

83.3 ± 15.2^b

F value

13.6***

Ethyl acetate

fraction

500

5.0 ± 5.0^a

1239.8

2440.3

0.90

37.1***

750

16.7 ± 2.8^a

1151.8 - 1357.1

2070.5 - 3128.4

1000

33.3 ± 12.5^b

1250

48.3 ± 5.7^c

1500

66.7 ± 7.6^d

F value

31.9***

Methanol

fraction

500

1.7 ± 2.8a

1301.3

2341.2

0.91

32.7**

750

13.3 ± 2.8a

1220.7 - 1408.4

2035.5 - 2875.8

1000

26.7 ± 5.7b

1250

43.3 ± 12.5c

1500

65.0 ± 5.0^d

F value

40.1***