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Table
18-1. Susceptibility of Woody Plants to Various Herbicides and Mixtures
as Foliage Sprays| Pub 75: Guide to Weed Control > Roadsides & Non-Crop Areas > Table 18-1. Susceptibility of Woody Plants to Various Herbicides and Mixtures as Foliage Sprays |
Excerpt from 2010-2011 Chapter 18, 2008 Publication 75, Guide to Weed Control, Order this publication
PDF file - 80kb
|
Common Name
|
2,4-D | 2,4-D
Dichlorprop (1:1) |
2,4-D
Dicamba (2:1) |
Fosamine ammonium | 2,4-D
Picloram (3.7:1) |
Triclopyr |
|---|---|---|---|---|---|---|
|
alder
|
S-I | S | S | S | S | S |
|
arborvitae
|
R | R | S | S | ||
|
ash
|
R | S-I | I-R | S-I | I-R | S |
| I | S | S | S-I | |||
|
basswood
|
R | S | S | S | S | S |
|
beech
|
R | I | S-I | S | S-I | |
|
birch
|
S | S | S | S | S | |
|
blackberry
|
R | I-R | S | S-I | S | |
|
blueberry
|
S | S | I-R | I | S | S-I |
| I-R | I-R | S | S | |||
|
cedar
|
R | I-R | S | S | ||
|
cherry, black, red
|
S-I | S | S | S-I | S | S-I |
|
cherry, choke
|
S-I | S | S | S | S | S |
|
cranberry
|
S | |||||
| S | S-I | S | S-I | S | ||
|
currants, wild
|
R | S | ||||
|
dogwood
|
S-I | S | S | S | S | |
|
elderberry
|
S | S-I | S | S | ||
|
elm
|
I | S-I | S | S-I | S | S-I |
|
fir, balsam
|
R | S-I | S | S | I-R | |
| S | S | S | S | S | ||
|
hardhack, spirea
|
I | S | ||||
|
hawthorn
|
I-R | S | S-I | S | S | S |
| R | S | |||||
|
hickory, black, shagbark
|
R | S-I | S | I | S | |
|
honeysuckle
|
S-I | S | S | S | ||
|
ironwood
|
R | S-I | S | S | S | |
|
juniper
|
R | I-R | S | S-I | ||
|
lilac
|
I-R | S | ||||
|
locust, black
|
I | S | ||||
|
locust, honey
|
S-I | S | S-I | |||
|
maple, Manitoba
|
S-I | S | S | S-I | S | S |
|
maple, red
|
R | I-R | I-R | S-I | S | S-I |
|
maple, silver
|
S-I | S | S | |||
|
maple, sugar
|
R | S-I | I-R | S | S | |
|
oak, red
|
I | I-R | S | I-R | S-I | S |
|
oak, white
|
I | S-I | S-I | S-I | I | |
|
oak, bur
|
R-I | S | I-R | S | ||
|
pine
|
R | S-I | S | I-R | S | I |
|
plum, wild
|
I | S | S | |||
| I | S-I | S | I | S | S | |
|
poplar, aspen
|
S | S | S | S | S | |
| R | S | S | S | |||
|
raspberry, wild
|
R | S | I | S | S | |
|
redbud rhododendron
|
R | R | S | |||
|
rose, wild
|
R | I | S | S | S | S |
|
sassafras
|
S-I | S | ||||
|
sheep-laurel
|
I | S | S-I | S | ||
|
spruce
|
R | I-R | S | S-I | R | |
| S | S | |||||
|
sweet-fern
|
I | S | S-I | |||
|
viburnum
|
R | S | ||||
|
walnut
|
S-I | S | ||||
|
willow
|
S | S | S | S | S | S |
S - Susceptible. Adequate control obtained with one application.
I - Intermediate. Retreatment is usually need for adequate control.
R - Resistant. Two or more applications may not be adequate.
Related Links
- Weeds in Ontario
- Nursery and Landscape Plants in Ontario
- Problem Weed Control in Field Crops
- Integrated Pest Management (IPM)
- Pesticide Application and Safety
- Pesticide Companies and Agents
- OMAFRA Sprayer Calibration Calculator
- Search the PMRA website
- OMAFRA Publication 505: Ontario Weeds
- OMAFRA Publication 75: Guide To Weed Control
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 November 2002 |
| Last Reviewed: | 16 June 2010 |