Extracts

Conc. (ppm)

% Emergence

Inhibition (EI)

EI₅₀ (95% FL)

EI₉₀ (95% FL)

R²

χ²

Methanol crude

extract

500

15.0 ± 10.0^a

921.1

1789.8

0.83

86.5***

750

31.7 ± 5.7^a

824.7 - 1023.3

1510.3 - 2383.8

1000

53.3 ± 10.4^b

1250

68.3 ± 7.6^b

1500

88.3 ± 16.0^c

F value

22.6***

Hexane

fraction

500

40.0 ± 5.0^a

623.9

1972.4

0.72

52.6***

750

58.3 ± 7.6^b

484.1 - 727.2

1555.5 - 3126.3

1000

73.3 ± 2.8^bc

1250

71.7 ± 5.7^bc

1500

86.7 ± 14.4^c

F value

14.0***

Ethyl acetate

fraction

500

21.7 ± 5.^7a

1090.7

3142.6

0.76

60.7***

750

26.7 ± 7.6^a

957.4 - 1287.6

2263.9 - 6091.5

1000

43.3 ± 14.4^ab

1250

55.0 ± 13.2^bc

1500

70.0 ± 8.6^c

F value

10.8**

Methanol

fraction

500

13.3 ± 2.8^a

1129.2

2802.3

0.86

42.6***

750

26.7 ± 2.8^a

1025.7 - 1269.9

2212.9 - 4162.2

1000

46.7 ± 10.4^b

1250

48.3 ± 7.6^b

1500

70.0 ± 13.2^c

F value

19.8***