In This Section |
Table 6-2: Preplant Herbicide Weed Control Ratings
Excerpt from 2008 Chapter 6, Publication 75, Guide to Weed Control, Order this publication
|
| Preplant Herbicides | Annual Grasses | Annual Broad-leaves | Field Bind-weed | Mouse-eared Chickweed | Dand-elion | Golden-rod | Ground-ivy | |
|---|---|---|---|---|---|---|---|---|
| Aim EC | 0 | ** | ? | ? | ? | ? | ? | ? |
| Amitrol 240 | ** | ** | a | ? | 9* | a | ? | 7 More... |
| Cleanstart Plus1 | ** | ** | 7a | 9 | 7/8d | ? | 5 | 0 |
| glyphosate | ** | ** | 7a* | 9* | 7/8d* | ? | 5 | 0 More... |
| Gramoxone | ** | ** | b | b | b | ? | b | b More... |
| Guardian1 | ** | ** | 7a | 9 | 7/8d | ? | 5 | 0 |
| Ignite | ** | ** | 8c | ? | 8* | ? | ? | 7c More... |
| Preplant Herbicides | Mallow | Milk-weed | Nut sedge | Plan- tains |
Poison-ivy | Quack-grass | Sow-thistle | Canada thistle | Vetches |
|---|---|---|---|---|---|---|---|---|---|
| Aim EC | 8 | ? | ? | ? | ? | ? | ? | ? | ? |
| Amitrol 240 | ? | a | a | 8 | 8 | 7* | a | 7* | ? |
| Cleanstart Plus1 | 8 | a | 7 | 9 | 8 | 8/9 | a | 7a | 5 |
| glyphosate | 5 | a | 7 | 9 | 8 | 8/9 | a | 7a | 5 |
| Gramoxone | b | b | 0 | b | b | 5* | b | 0 | b |
| Guardian1 | 5 | a | 7 | 9 | 8 | 8/9 | a | 7a | 5 |
| Ignite | ? | 6c | 7c | ? | ? | 8c | 8c | 8c | ? |
? - Insufficient information available to make a rating.
* - Ratings with an asterisk indicate the weed is listed on the product
label for control or suppresssion.
** - Indicates that most annual weeds will be controlled if emerged.
a - Optimum growth stages for best control of these weeds will
not likely be attained prior to planting in early to mid spring.
b - Top growth only, regrowth can be expected.
c - Repeated applications may be necessary.
d - Use higher rates for plants over 15 cm tall or across.
| Top of Page |
| Top of Page |
For more information:
This site is maintained
by the Government of Ontario
Queen's Printer for Ontario
Last Modified: