| Table 1. Treatments applied Dec. 17 1998 -
Treatments evaluated March 30 1999. Weed control ratings are based on a (0-10) scale.
Rating of 8 is economic weed control, 10 is 100 % weed control. |
Treatments |
Lb ai / A |
Approximate Cost/acre |
Overall |
Crop Injury |
Wild raddish |
Shepherd's purse |
Chick weed |
Wheat |
Annual bluegrass |
1 |
Buctril
2EC |
0.1875 |
$6.35 |
|
1.50 |
7.75 |
7.50 |
6.50 |
3.75 |
4.67 |
2 |
Buctril
2EC |
0.125 |
$4.23 |
6.00 |
0.50 |
6.25 |
5.00 |
4.50 |
3.50 |
3.50 |
3 |
Buctril
20WP+COC |
0.375 |
na |
4.00 |
0.00 |
4.00 |
4.50 |
2.00 |
1.00 |
0.00 |
4 |
Buctril
20WP+COC |
0.25 |
na |
3.25 |
0.00 |
3.25 |
0.50 |
4.00 |
0.75 |
2.50 |
5 |
Butoxone
200 EC+COC |
1.0 |
$19.16 |
6.25 |
3.00 |
6.25 |
6.25 |
1.75 |
2.75 |
1.33 |
6 |
Butoxone
7500 WP+COC |
1.0 |
na |
3.50 |
0.00 |
1.75 |
1.25 |
4.25 |
1.25 |
2.33 |
7 |
Pursuit
DG+COC |
0.04725 |
$13.05 |
6.75 |
0.00 |
7.25 |
9.00 |
7.50 |
2.00 |
3.50 |
8 |
Pursuit
DG+COC |
0.063 |
$17.40 |
7.75 |
0.00 |
7.25 |
8.33 |
6.50 |
5.50 |
6.75 |
9 |
Pursuit
DG+COC |
0.0945 |
$26.09 |
8.50 |
0.50 |
9.25 |
9.50 |
7.50 |
6.00 |
4.50 |
10 |
Buctril
2EC +Butoxone 200 2EC |
0.120
.55 |
$13.82 |
7.00 |
1.50 |
8.75 |
7.50 |
5.25 |
3.75 |
5.00 |
11 |
Buctril
20WP +Butoxone 200 2EC+COC |
0.25
0.5 |
na |
6.25 |
1.50 |
6.50 |
5.75 |
4.25 |
3.00 |
0.50 |
12 |
Buctril
20WP +Butoxone 7500 WP+COC |
0.25
0.5 |
na |
5.00 |
1.00 |
4.50 |
3.75 |
2.75 |
3.75 |
3.25 |
13 |
Pursuit
DG+Buctril 2EC+COC |
0.063
0.125 |
$21.63 |
7.75 |
0.50 |
8.50 |
9.25 |
7.50 |
4.50 |
3.00 |
14 |
Pursuit
2EC+Buctril 20WP+COC |
0.063
0.25 |
na |
7.75 |
1.00 |
8.00 |
8.25 |
7.25 |
4.75 |
6.50 |
15 |
Pursuit
DG+Butoxone 200 2EC+COC |
0.063
0.5 |
$26.98 |
8.00 |
2.50 |
8.00 |
8.50 |
5.75 |
4.25 |
5.00 |
16 |
Pursuit
DG+Butoxone 7500WP+COC |
0.063
0.5 |
na |
7.00 |
0.50 |
7.00 |
7.75 |
5.75 |
4.75 |
5.75 |
17 |
Prism
+Butoxone 7500WP + COC |
0.125
1.0 |
na |
4.25 |
0.00 |
0.75 |
0.00 |
3.50 |
10.00 |
8.75 |
18 |
Prism
+Buctril 20WP +COC |
0.125
0.25 |
na |
3.75 |
0.50 |
2.25 |
1.00 |
3.50 |
9.75 |
8.75 |
19 |
Prism
+Buctril EC +COC |
0.125
0.125 |
$20.74 |
8.00 |
2.00 |
8.00 |
7.75 |
6.75 |
10.00 |
9.50 |
20 |
Prism+COC |
0.125 |
$16.51 |
3.00 |
0.00 |
0.00 |
0.00 |
2.50 |
10.00 |
9.50 |
Grand Mean |
6.05 |
0.82 |
5.76 |
5.57 |
4.99 |
4.74 |
4.63 |
CV (%) |
20.62 |
117.60 |
24.10 |
23.50 |
43.90 |
25.50 |
39.10 |
LSD @0.05 |
1.77 |
1.36 |
1.96 |
1.85 |
3.11 |
1.71 |
2.77 |
