Table 5. Control ratings for no-till herbicides for control of existing vegetation.

 

Annual grasses

Annual broadleaf weeds

Perennial broadleaf

 

DBM

GFT

RYE

LQR

PLC

MTL

MUS

CRW

GRW

SWD

ALF

RCV

DDL

HVC

glyphosate -12a

9

9

8

8

7

7

8

7

8

7

5

6

5

6

glyphosate -24b

9+

9+

9

9

8

9

9

9

9

8

6

7

7

7

glyphosate+
2,4-D

9

9

9

9

9

9

9

9

9

8

7

8

8

8

Gramoxone

7

8

6

8

6

6

7

8

7

5

N

6

4

6

Gramoxone+
atrazine

8

9

8

9

9

9

9

9

9

9

4

7

6

8

2,4-D Ester 1pt

N

N

N

9

8

8

9

9

8

6

6

8

8

8

Banvel/

                           

Clarity

N

N

N

9

9

7

7

9

9

9

8

9

7

9

2,4-D +

                           

Banvel

N

N

N

9

9

8

9

9

9

8

8

9

8

9

Marksman

6

5

N

9

9

9

8

9

9

9

8

9

7

9

Atrazine

7

7

6

9

9

8

8

9

9

9

N

6

4

7

Balance

6

8

5

8

8

8

8

8

6

8

N

N

6

N

Canopy

N

5

N

9

9

8

9

9

8

9

4

5

7

5

Canopy XL

N

6

N

9

9

9

9

9

8

9

N

4

4

6

Sencor/

                           

Lexone

5

5

4

7

8

6

8

7

6

8

N

5

6

5

DBM = downy brome, GFT = giant foxtail, RYE = rye or wheat cover, MTL = marestail (horseweed),

MUS = mustards, PLC = prickly lettuce, LQR = lambsquarters, CRW = common ragweed,

GRW = giant ragweed, SWD = Smartweed, DDL = dandelion,

HVC = hairy vetch, RCV = red clover, ALF = Alfalfa sod

Control ratings: 9 = excellent , 8 = good, 7 = fair, 6 = poor, 5 or 4 = unsatisfactory, N = nil or none.

Boldface indicates acceptable control.

aglyphosate 12 oz a.e./A = 16 fl oz/A Roundup Ultra or 14.5 fl oz Touchdown 5

bglyphosate 24 oz a.e./A = 32 fl oz/A Roundup Ultra or 29 fl oz Touchdown 5