Treatmentb

Rate

Control (%)

4 WAT

8 WAT

Density

Dry weight

(g a.i. ha−1)

(plants m−2)

(g m−2)

Weed-free control

100

100

0 a

0 a

Weedy control

0 d

0 d

5.0 c

7.5 c

Halosulfuron

25

86 ab

78 ab

1.3 abc

0.5 ab

Halosulfuron

37.5

93 a

87 a

0.5 ab

0.1 ab

Halosulfuron

50

97 a

92 a

0.6 ab

0.1 ab

Bentazon

1080

73 ab

72 ab

1.0 ab

0.2 ab

Acifluorfen

600

14 cd

15 cd

2.8 bc

5.5 c

Fomesafenc

240

52 abc

48 abc

1.7 bc

2.0 bc

Bentazon/acifluorfend

840

42 bc

38 bc

2.4 bc

2.7 bc

Bentazon + fomesafen

840 + 140

68 ab

62 abc

0.8 ab

1.0 ab

Halosulfuron + bentazon

1080 + 37.5

90 a

86 ab

1.9 bc

0.7 ab

Halosulfuron + acifluorfen

600 + 37.5

51 abc

49 abc

1.5 bc

1.1 bc

Halosulfuron + fomesafen

240 + 37.5

68 ab

63 abc

0.9 ab

0.7 ab

Halosulfuron+ entazon/acifluorfen

840 + 37.5

75 ab

69 ab

0.7 ab

0.2 ab

Halosulfuron + bentazon + omesafen

840 + 140 + 37.5

90 a

86 ab

0.7 ab

0.1 ab