Treatmentb

Rate

(g∙ai∙ha⁻¹)

GR Common Ragweed Visible Control (%)

Density

(# m⁻²)

Dry Weight

(g∙m⁻²)

4 WAA

8 WAA

Weedy control

0 g

0 e

202 e

107 e

Weed-free control

100

100

0 a

0 a

Glyphosate

900

9 fg

10 de

171 de

85 e

2,4-D ester

560

58 abcde

49 abcd

58 cde

29 bcde

Atrazine

1000

22 ef

19 d

137 de

81 e

Dicamba

600

85 a

88 a

11 bc

5 b

Dicamba/diflufenzopyr^c

200

77 ab

86 a

54 cde

23 bcde

Dicamba/atrazine

1500

77 ab

83 a

42 bcde

19 bcde

Bromoxynil + atrazine

280 + 1500

75 abc

62 abc

7 b

7 bc

Prosulfuron + dicamba^d

10 + 140

37 def

37 bcd

112 de

63 de

Mesotrione + atrazine^d

100 + 280

38 cdef

33 bcd

117 de

49 cde

Topramezone + atrazine

12.5 + 500

76 ab

68 ab

26 bcd

11 bcd

Tembotrione/thiencarbazone-methyl

45

41 bcdef

36 bcd

110 de

50 cde

Glufosinate

500

71 abcd

69 ab

10 bc

6 b

Halosulfuron^c

70

26 ef

24 cd

122 de

75 de