GR marestail control

GR marestail

GR marestail

Soybean

Herbicide treatmenta

Rate

4 WAT

8 WAT

density

dry biomass

yield

(g ai/ae ha1)

(%)

(%)

(plants m1)

(g·m1)

(T·ha1)

Weed-free control

100

100

0 a

0 a

2.54 a

Untreated control

0 c

0 c

488 d

165.1 d

1.18 b

Glyphosate/dicamba

1800

79 b

89 ab

7 bc

2.3 bc

2.51 a

Glyphosate/dicamba + metribuzin

1800 + 400

83 b

86 b

21 c

4.7 c

2.65 a

Glyphosate/dicamba + saflufenacilb

1800 + 25

99 a

97 a

1 ab

0.2 ab

2.45 a

S-metolachlor/dicamba

1680

77 b

83 b

24 c

7.3 bc

2.51 a

S-metolachlor/dicamba + metribuzin

1680 + 400

83 b

87 b

8 bc

3.9 bc

2.71 a

S-metolachlor/dicamba + saflufenacilb

1680 + 25

99 a

97 a

1 ab

0.2 ab

2.69 a