Oakes Irrigation Research Site
Carrington Research Extension Center
* North Dakota State University
P.O. Box 531, Oakes, ND 58474-0531,
Phone: (701) 742-2744, FAX: (701) 742-2700, E-mail: Walter.Albus@ndsu.edu
Table 1. Effect of micro-rate system on weed control and yield in onion at the Oakes Irrigation Research Site in 2010.
|
Treatment |
Overall weed control |
Yield |
||||
|
PRE (rate lb/acre) |
POST herbicide
micro-rate (rate lb/acre) |
6 gWAT1 |
12 WAT1 |
Medium |
Large |
Total |
|
|
|
-------- % --------- |
---------------- lb/A x 103----------------- |
|||
|
agly (1) |
coxy + dbrom
+ ecleth + fMSO
(0.06 + 0.06 + 0.03 + 0.5% v/v) |
89 |
44 |
11 |
6 |
20 |
|
bpend (1) |
oxy + brom + cleth
+ MSO (0.06 + 0.06 + 0.03 + 0.5% v/v) |
81 |
66 |
14 |
29 |
44 |
|
gly + pend (1 + 1) |
oxy + brom + cleth
+ MSO (0.06 + 0.06 + 0.03 + 0.5% v/v) |
91 |
79 |
9 |
23 |
34 |
|
none |
oxy + brom + cleth
+ MSO (0.06 + 0.06 + 0.03 + 0.5% v/v) |
90 |
54 |
19 |
21 |
42 |
|
2agly (1) |
oxy + brom + cleth
+ MSO (0.06 + 0.06 + 0.03 + 0.5% v/v) |
85 |
41 |
10 |
9 |
24 |
|
bpend (1) |
oxy + brom + cleth
+ MSO (0.06 + 0.06 + 0.03 + 0.5% v/v) |
85 |
44 |
15 |
12 |
32 |
|
gly + pend (1 + 1) |
oxy + brom + cleth
+ MSO (0.06 + 0.06 + 0.03 + 0.5% v/v) |
88 |
51 |
9 |
28 |
39 |
|
none |
oxy + brom + cleth
+ MSO (0.06 + 0.06 + 0.03 + 0.5% v/v) |
76 |
26 |
15 |
2 |
23 |
|
agly (1) |
oxy + brom + cleth
+ MSO (0.06 + 0.06 + 0.03 + 0.5% v/v) |
83 |
40 |
13 |
4 |
22 |
|
bpend (1) |
oxy + brom + cleth
+ MSO (0.06 + 0.06 + 0.03 + 0.5% v/v) |
78 |
44 |
26 |
20 |
50 |
|
gly + pend (1 + 1) |
oxy + brom + cleth
+ MSO (0.06 + 0.06 + 0.03 + 0.5% v/v) |
81 |
38 |
11 |
13 |
25 |
|
none |
oxy + brom + cleth
+ MSO (0.06 + 0.06 + 0.03 + 0.5% v/v) |
68 |
13 |
7 |
0.3 |
16 |
|
none |
brom + MSO (0.06 + 0.5% v/v) |
65 |
23 |
18 |
2 |
20 |
|
none |
oxy + MSO (0.06 + 0.5% v/v) |
54 |
0 |
2 |
0 |
6 |
|
dcpa (7.5) |
brom + oxy (0.25 + 1) |
88 |
89 |
24 |
40 |
66 |
|
hand-weeded check |
100 |
100 |
19 |
26 |
47 |
|
|
weedy check |
0 |
0 |
0 |
0 |
0 |
|
|
LSD |
10 |
25 |
9 |
12 |
15 |
|
Abbreviations: agly = glyphosate; bpend
= pendimethalin; coxy
= oxyfluorfen; dbrom
= bromoxynil; ecleth
= clethodim;
fMSO =
methylated seed oil; gWAT1 = weeks after treatment one;
Oakes Irrigation Research Site