Treatment

Dose (g∙ai∙ha−1)

Control (%)

Density (no. m−2)

Dry weight (g∙m−2)

4 WAE

8 WAE

Weedy control

0c

0c

21.8d

26.3bc

Weed-free control

100

100

0 a

0a

S-metolachlor

1050

97a

98a

2.5b

1.1b

S-metolachlor

1600

99a

99a

2.2b

1.0b

Halosulfuron

25

26b

21b

28.2d

39.2c

Halosulfuron

37.5

28b

25b

15.1cd

28.0bc

Halosulfuron

50

30b

10b

27.5d

23.7bc

S-metolachlor + halosulfuron

1050 + 25

94a

97a

4.0bc

3.5b

S-metolachlor + halosulfuron

1050 + 37.5

97a

98a

3.6bc

1.8b

S-metolachlor + halosulfuron

1050 + 50

94a

96a

5.0bc

2.1b

S-metolachlor + halosulfuron

1600 + 25

98a

98a

2.7b

1.0b

S-metolachlor + halosulfuron

1600 + 37.5

95a

98a

2.7b

0.9b

S-metolachlor + halosulfuron

1600 + 50

98a

98a

2.4b

10.4bc