Treatment

Rate

Control (%)

Density 8 WAA

Biomass 8 WAA

(g ai ha−1)

4 WAA

8 WAA

(plants m−2)

(g・m−2)

Untreated Control

0

b

0

c

7.5

d

11.1

bcd

Weed-free Control

100

a

100

a

0.2

a

0.3

a

S-metolachlor

1050

27

b

7

c

4.5

bcd

10.6

bcd

Sulfentrazone

140

19

b

11

c

6.3

cd

15.9

cd

Sulfentrazone

210

24

b

16

c

5.4

bcd

15.0

cd

Halosulfuron

17.5

94

a

83

a

1.5

abcd

2.3

abc

Sulfentrazone + s-metolachlor

140 + 1050

12

b

7

c

6.0

cd

15.4

cd

Sulfentrazone + s-metolachlor

210 + 1050

26

b

18

bc

5.6

bcd

19.5

d

Halosulfuron + s-metolachlor

17.5 + 1050

98

a

90

a

1.2

abcd

1.6

ab

Sulfentrazone + halosulfuron

140 + 17.5

86

a

75

ab

1.3

abcd

2.9

abcd

Sulfentrazone + halosulfuron

210 + 17.5

90

a

77

a

1.7

abcd

1.8

abc

Sulfentrazone + s-metolachlor + halosulfuron

140 + 1050 + 17.5

94

a

90

a

0.7

ab

0.7

a

Sulfentrazone + s-metolachlor + halosulfuron

210 + 1050 + 17.5

98

a

94

a

0.8

abc

1.4

ab

SE (±)

0.16

0.18

0.54

0.65