Treatment

Rate

(g∙ai∙ha⁻¹)

Common ragweed control (%)

4 WAE

8 WAE

12 WAE

Weed-free control

100

100

100

Weedy control

0 c

0 c

0 c

Trifluralin

600

0 c

2 b

13 b

Trifluralin

1155

7 b

7 b

10 b

Ethalfluralin

810

14 b

6 b

12 b

Ethalfluralin

1080

20 b

13 b

13 b

Halosulfuron

35

96 a

95 a

95 a

Trifluralin + halosulfuron

600 + 35

97 a

95 a

94 a

Trifluralin + halosulfuron

1155 + 35

98 a

97 a

97 a

Ethalfluralin + halosulfuron

810 + 35

98 a

97 a

97 a

Ethalfluralin + halosulfuron

1080 + 35

99 a

97 a

97 a