2012 Corn Herbicide Evaluations
Herbicide
Preemergence/POST III (V4 corn)
1 Keystone LA + Hornet WDG / Durango + AMS
2 Zemax / Halex GT + atrazine + NIS + AMS
3 Harness / Laudis + Destiny HC + AMS
Corvus / Laudis + Roundup PowerMax + Destiny HC
4
+ AMS
5 Harness / Ignite + atrazine + AMS
6 Breakfree / Realm Q + Abundit S + AMS
7 Breakfree / Realm Q + Abundit S + AMS
8 Breakfree / Instigate + Abundit S + AMS
9 Harness / Roundup Weather Max + AMS
10 Zemax / Touchdown Total + AMS
11 SureStart / Durango + AMS
12 SureStart / Durango + AMS
13 Verdict / Roundup PowerMax + NIS + AMS
14 Verdict / Roundup PowerMax + Status + NIS + AMS
15 Anthem + Sharpen / Roundup PowerMax + AMS
Harness / Impact + Roundup Powermax + Destiny
16
HC + AMS
Rate
product/A
Giant Common Redroot Common Common Giant
Velvetleaf Yield Returns
foxtail lambsquarters pigweed ragweed cocklebur ragweed
Number of locations
2
3
2
2
1
1
2
-------------------------------------------------% control -----------------------------------------
SE
4
bu/A
4
$/A
1249
1253
1303
38
51
57
2 qt + 4 oz / 24 oz + 3 qt
1 qt / 3.6 pt + 1 pt + 0.25% + 3qt
1.75 pt / 3 oz + 0.5% + 2 qt
99
99
97
99
99
98
99
99
99
99
99
99
99
99
99
97
99
98
99
99
99
182
182
188
5.6 oz / 3 oz + 22 oz + 0.5% + 2 qt
98
99
99
99
99
99
99
175
1.75 / 22 oz + 16 oz + 3 qt
1.5 pt / 4 oz + 32 oz + 3qt
2.5 pt / 4 oz + 32 oz + 3qt
1.5 pt / 6 oz + 32 oz + 3 qt
1.25 pt / 22 oz + 3 qt
1.8 qt / 24 oz + 3 qt
2 pt / 24 oz + 3 qt
2.5 pt / 24 oz + 3 qt
18 oz / 22 oz + 0.25% + 3qt
99
99
99
98
99
97
99
99
98
99
99
99
98
99
99
99
98
99
99
99
99
99
99
99
99
99
99
99
98
99
99
95
99
99
98
99
96
97
99
97
96
99
99
98
99
97
99
96
99
97
99
99
89
99
99
99
99
99
99
99
99
97
99
168
169
175
166
174
186
182
179
175
1174
1165
1206
47
52
48
1213
1290
1269
1239
1216
50
48
43
57
61
91
99
99
99
99
99
90
97
99
99
99
97
99
99
174
163
1195
NL
62
10 oz + 1 oz / 22 oz + 3 qt
1.25 pt / 0.75 oz + 22 oz + 0.5% + 3 qt
99
99
99
97
99
99
98
186
1287
41
22 oz + 3 qt / 22 oz + 3 qt
98
98
99
97
99
99
99
177
1244
3 oz + 18 oz + 3qt / 3 oz + 0.5% + 3qt
97
99
99
99
99
97
99
176
1208
8 oz + 2.5 oz + 22 oz + 0.25% + 3 qt
98
99
99
99
99
99
97
175
NL
3.6 pt + 16 oz + 0.25% + 3qt
2 pt + 24 oz + 3 qt
4 oz + 32 oz + 0.25% + 3 qt
97
97
91
99
98
99
99
99
99
99
97
89
99
99
85
95
95
97
99
99
94
183
173
177
1282
1206
1243
57
50
61
LSD (0.10)
0
100
4
0
100
1
0
100
1
0
100
6
0
100
4
0
100
5
0
100
3
116
177
11
845
1295
81
95
64
16 oz / 22 oz + 2.5 oz + 0.25% + 3 qt
POST I (1" weeds) / POST IV (4"weeds)
17 Roundup WeatherMax + AMS / Roundup
WeatherMax + AMS
56
POST II (2"-4" weeds) / POST III (V4 corn)
18
Capreno + Roundup PowerMax + AMS / Laudis +
Destiny HC + AMS
58
POST II (2"-4" weeds)
Anthem + Callisto + Roundup PowerMax + NIS +
AMS
20 Halex GT + atrazine + NIS + AMS
21 Surestart + Durango + AMS
22 Realm Q + Abundit S + NIS + AMS
19
Checks
23 Weedy Check
24 Weed-Free Check
Gray = Equivalent to weed free or highest returning treatment
Returns calculated on $7.50 corn and retail prices for seed, herbicide and application
NL= Not labeled for Minnesota use in 2013
Source: J. Gunsolus, Applied Weed Science Research, University of Minnesota, 2012
2012 Soybean Herbicide Evaluation
Herbicide
Rate
Giant
Common
Redroot Common
foxtail lambsquarters pigweed ragweed
3
Preemergence / POST II (4-inch weeds)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Authority First / Roundup PowerMax + AMS
Authority Assist / Roundup PowerMax + AMS
Prefix / Touchdown Total + AMS
Boundary / Touchdown Total + AMS
Boundary / Flexstar GT + MSO + AMS
Fierce / Roundup PowerMax + AMS
Valor SX / Roundup PowerMax + AMS
Fierce + Classic / Roundup PowerMax + AMS
Optill PRO / Roundup PowerMax + NIS + AMS
Verdict + Outlook / Roundup PowerMax + NIS + AMS
Zidua + Verdict / Roundup PowerMax + NIS + AMS
Sonic / Durango DMA + AMS
Enlite / Abundit S + AMS
Enlite / Abundit S + Harmony SG + AMS
Warrant + Roundup WeatherMax + AMS
Preemergence / POST I (2-inch weeds)
16 Valor SX / Warrant + Roundup PowerMax + AMS
POST I (2-4-inch weeds)
17 F 9324 + Roundup PowerMax + NIS + AMS
product/A
4
2
Common
cocklebur
Number of locations
2
Giant
Velvetleaf
ragweed
2
2
----------------------------------------% control--------------------------------------------
Yield
Returns
5
bu/A
5
$/A
SE
6.4 oz / 22 oz + 3 qt
9 oz / 22 oz + 3 qt
2 pt / 24 oz + 3 qt
1.5 pt / 24 oz + 3 qt
1.5 pt / 24 oz + 3 qt
3 oz / 22 oz + 3 qt
2 oz / 22 oz + 3 qt
3 oz + 0.33 oz / 22 oz + 3 qt
10 oz / 22 oz + 0.25% + 3 qt
5 oz + 10 oz / 22 oz + 0.25% + 3 qt
2 oz + 5 oz / 22 oz + 0.25% + 3qt
3 oz / 24 oz + 3 qt
2.8 oz / 32 oz + 3 qt
2.8 oz / 32 oz + 0.125 oz +3 qt
3 pt + 22 oz + 3 qt
99
99
99
99
99
99
98
99
99
99
99
97
99
99
99
99
99
99
99
99
99
99
99
99
99
99
99
99
99
99
99
99
99
99
99
99
99
99
99
99
99
96
99
99
99
99
99
96
99
97
99
99
99
99
99
97
94
99
99
99
99
99
99
99
99
99
99
99
99
99
99
99
99
99
99
99
96
97
98
98
97
96
98
96
97
97
98
96
97
96
97
99
97
99
99
99
99
99
99
99
99
96
99
99
99
50.0
49.6
48.8
50.3
50.5
52.9
50.4
51.3
52.4
51.2
50.2
49.6
49.8
49.2
48.6
692
667
684
706
695
NL
705
NL
725
710
NL
696
697
685
682
24
25
22
29
26
2 oz / 3 pt + 22 oz + 3 qt
99
96
99
97
99
93
99
52.1
717
25
7 oz + 22 oz + 0.25% + 3 qt
95
92
94
99
99
88
96
46.8
NL
22 oz + 3 qt / 22 oz + 3qt
99
99
99
99
99
98
99
50.5
712
24 oz + 0.3 oz + 3 qt / 24 oz + 3 qt
99
99
99
99
99
97
99
49.6
688
3 pt + 0.5% + 3 qt / 24 oz + 3 qt
0.375 oz + 32 oz + 3 qt / 32 oz +3 qt
22 oz + 12.5 oz + 1 pt + 3 qt / 22 oz +
3qt
99
99
99
99
99
96
99
94
99
99
98
98
99
99
51.8
49.5
719
696
99
99
99
99
99
98
99
47.3
647
LSD (0.10)
0
100
1
0
100
1
0
100
3
0
100
4
0
100
1
0
100
2
0
100
2
22.6
51.7
2.7
338
775
41
27
21
23
19
24
33
26
POST I (2-4-inch weeds) / POST III (Canopy)
18 Roundup WeatherMax + AMS / Roundup Weather Max +
AMS
19 Durango DMA + First Rate + AMS / Durango DMA + AMS
20 Flexstar GT + MSO + AMS / Touchdown Total + AMS
21 Synchrony + Abundit S + AMS / Abundit S + AMS
22 Roundup PowerMax + Cobra + COC + AMS / Roundup
PowerMax + AMS
Checks
23 Weedy Check
24 Weed-Free Check
Gray = Equivalent to weed free or highest returning treatment
Returns calculated on $15 soybean and retail prices for seed, herbicide and application
NL = Not labeled for use in Minnesota in 2013.
Source: J. Gunsolus, Applied Weed Science Research, University of Minnesota, 2012
29
24
31
27
25
52
28