Ready
with Your Weed Prevention Program?
| Author: |
Leslie Huffman -
Weed Management Specialist (Horticultural Crops)/OMAFRA
|
| Creation Date: |
16 May 2007
|
| Last Reviewed: |
16 May 2007
|
Many weed problems can be prevented or avoided. Like other Best Management
Practices (BMPs), they should be written down and shared with others
who are on your farm. Take a rainy day write down your weed prevention
strategies:
Here are some suggestions:
- Prevent perennial weeds from moving into your fields. Work infested
areas last, and clean equipment before moving to new fields. Watch
for quackgrass rhizomes, nutlets of yellow nutsedge, and fleshy
roots of Canada thistle and milkweed.
- Include weed scouting in your IPM program. Create field maps showing
weed patches. Note areas of concern, and compare with last year's
maps to note changes in weedy patches.
- Identify unknown weeds. Prepare a sampling kit to preserve collected
samples. Collect 3 or 4 whole plant samples, including flowers and
root structures. Put them in a paper bag, label it with name, date
and location, and place this inside a plastic bag. Samples can be
stored in a cooler or fridge for several days.
- Scout for weeds along the edges of fields, in fencerows and ditch
banks. Note "new" or invading weeds and destroy them before
seeding.
- Reduce weed seeds by mowing or by selectively treating weed escapes
before they flower.
- Plan to clean up fields to be planted next year by spot treating
any perennials at the proper time.
- Where straw mulch is used, ensure that no weeds are piggy-backing
into your fields. Spring hormone herbicides and proper bale storage
is important to produce clean straw.
- Where plastic mulch or landscape fabric is used, plan regular
weed control along the plastic/fabric edges.
What's been your most successful strategy for weeds? Let me know
your best strategy to prevent or reduce weeds and we'll build this
list to share with others.
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For more information:
Toll Free: 1-877-424-1300
Local: (519) 826-4047
E-mail: ag.info.omafra@ontario.ca
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