Treatment^b

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 b

0 d

13.9 e

5.0 b

Halosulfuron

25

66 a

43 bc

8.1 cde

2.6 ab

Halosulfuron

37.5

76 a

39 c

12.4 de

3.8 b

Halosulfuron

50

69 a

49 abc

6.8 bcde

1.5 ab

Bentazon

1080

90 a

97 a

0.9 ab

0.7 ab

Acifluorfen

600

66 a

44 bc

17.9 e

5.9 b

Fomesafen^c

240

63 a

54 abc

6.4 bcde

2.6 ab

Bentazon/acifluorfen^d

840

73 a

63 abc

6.2 bcde

3.0 b

Bentazon + fomesafen

840 + 140

83 a

83 abc

2.8 abcd

2.5 ab

Halosulfuron + bentazon

1080 + 37.5

92 a

93 ab

2.1 abc

0.5 ab

Halosulfuron + acifluorfen

600 + 37.5

78 a

51 abc

15.7 e

3.1 b

Halosulfuron + fomesafen

240 + 37.5

74 a

51 abc

14.1 e

2.7 b

Halosulfuron + bentazon/acifluorfen

840 + 37.5

82 a

77 abc

4.2 abcde

1.3 ab

Halosulfuron + bentazon + fomesafen

840 + 140 + 37.5

87 a

84 abc

4.3 bcde

2.0 ab