Mustard: Postemergence Grass Herbicides
Excerpt from 2010-2011 Publication 75, Guide to Weed Control, Order this publication
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Table
of Contents| Trade Name |
+ Assist
|
or Merge
|
|
|---|---|---|---|
| Active Ingredient |
sethoxydim
|
+ oil concentrate
|
or surfactant/solvent
|
| Formulation |
450 g/L
|
|
|
| Rate per hectare (active) |
0.15 - 0.2 kg/ha
|
2 L/ha
|
1 L/ha
|
| Rate per hectare (product) |
0.32 - 0.47 L/ha
|
2 L/ha
|
1 L/ha
|
| Rate per acre (product) |
0.13 - 0.19 L/ac
|
0.8 L/ac
|
0.4 L/ac
|
Precautions (For more information, see Chapter 4. Herbicides Used in Ontario, page 23 and Chapter 5. Notes on Adjuvants, page 69).
-
Treat the 1-6 leaf stage of annual grass.
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For annual grasses and volunteer cereals.
-
Use the higher rate when volunteer cereals are present.
-
Use MERGE for conditions or weeds requiring medium to high rates of POAST ULTRA.
-
Flax is tolerant at any stage of growth.
-
Apply using 110-200 L/ha of water (44-80 L/ac).
| Trade Name |
+ Merge
|
|
|---|---|---|
| Active Ingredient |
sethoxydim
|
+ surfactant/solvent
|
| Formulation |
450 g/L
|
|
| Rate per hectare (active) |
0.5 kg/ha
|
|
| Rate per hectare (product) |
1.1 L/ha
|
1 - 2 L/ha
|
| Rate per acre (product) |
0.45 L/ac
|
0.4 - 0.8 L/ac
|
Precautions(For more information, see Chapter 4. Herbicides Used in Ontario, page 23 and Chapter 5. Notes on Adjuvants, page 69).
-
For quackgrass control. Thorough preplant tillage will ensure more uniform quackgrass emergence.
-
Apply using 100-200 L/ha of water (40-80 L/ac).
Related Links
For more information:
Toll Free: 1-877-424-1300
Local: (519) 826-4047
E-mail: ag.info.omafra@ontario.ca
| Author: | OMAFRA Staff |
|---|---|
| Creation Date: | 25 October 2004 |
| Last Reviewed: | 17 June 2010 |