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Rotary hoe and inter-row cultivation reduced weed biomass by 75 to 85 per cent in field pea and lentil, as seen in this photo of lentils after inter-row cultivation. When seeding rate was boosted, weed biomass in lentils was reduced an extra 16 per cent.
Crops

If you can’t beat ’em, clip ’em

New methods of mechanical weed control show promise, but don’t expect a yield increase the first year

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Reading Time: 8 minutes With the high and growing percentage of Prairie cropland infested with herbicide-resistant weeds, researchers are turning their attention back to mechanical control, but that doesn’t necessarily mean tillage. The Alberta Wheat Commission and Saskatchewan Pulse Growers are partnering on a three-year research project at the University of Saskatchewan which is evaluating in-crop weed clipping as […] Read more
Hemp dogbane in Roundup Ready soybean prior to the spot application of glyphosate.
Crops

PHOTOS: Pest Patrol: Dealing with hemp dogbane

#PestPatrol with Mike Cowbrough, OMAFRA

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Reading Time: < 1 minute Q: I’ve been battling hemp dogbane in my soybean fields. It produces a milky juice that can stain my beans. What can I do to knock back the top growth so it won’t affect crop quality? A: It’s good that your expectations are for top growth control of hemp dogbane (see figure 1), since it’s […] Read more
A relatively small seedling plant found in corn during mid-June but beyond the labelled stage of growth.
Crops

Pest Patrol: Tackling prostrate knotweed on today’s farms

#PestPatrol with Mike Cowbrough, OMAFRA

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Reading Time: 2 minutes Q: How do I get rid of prostrate knotweed in each of my major crops? A: In Ontario, prostrate knotweed is more frequently found in Huron County and on Brookston clay-loam soils under no-till or minimum-till production systems (Frick, 1990). It can thrive in compacted soils where other plants will struggle to grow well. Below […] Read more
Photo: Thinkstock
Crops

Six factors to consider if your soil moisture level is low

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To date, all indications are pointing to a dry spring, given the below-average precipitation received in many areas of the Prairies this winter. There are exceptions to every rule of course, but a lot of farmers had relatively dry soils going into winter, so we asked some agronomists and provincial crop experts what factors could[...]
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In some parts of Eastern Canada, the problem weed can vary from ragweed to horsetail (pictured in soybeans).
Crops

The problem with problem weeds

Different regions, different crops and different species turn ‘control’ into ‘management’

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Reading Time: 5 minutes It’s a message filled with contrasts. Weed management is simple yet complex. It’s all about improving your bottom line, but it adds a cost. And although it’s all about controlling all your weeds, it often gets judged on a single weed species. In spite of all the differences that come with farming in different regions,[...]
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A young plant in winter wheat during early May.
Cereals, Crops

Pest Patrol: Dealing with cleavers

#PestPatrol with Mike Cowbrough, OMAFRA

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Reading Time: 2 minutes Q: I had a field of winter wheat with cleavers in it and it was a pain. What is the best way to get rid of this weed in winter wheat? A: I can’t think of a redeeming quality for cleavers, although apparently the fruit is considered one of the best substitutes for coffee (Malik[...]
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Pre-plant applications of dicamba at the high rate and to emerged fleabane rosettes have provided the most effective control of glyphosate-resistant Canada fleabane (left) compared to an unsprayed strip (right) when planting Xtend soybean varieties. A followup, post-emergence application of dicamba may be necessary when new seedlings have germinated following crop emergence.
Crops, Soybeans

Pest Patrol: Control of Canada fleabane

#PestPatrol with Mike Cowbrough, OMAFRA

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Reading Time: 2 minutes Q: Canada fleabane has shown up in various places on our farm this year. I assume it is glyphosate resistant. Do I have any other options for soybeans other than Xtend beans? A: Yes, research conducted by the University of Guelph (Ridgetown Campus) has shown that the addition of Eragon LQ (30 ml/acre) + Sencor[...]
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(Newstrike.ca)
Crops, Reuters

Cannabis firm Aurora in talks to buy both CanniMed, Newstrike

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Reading Time: 2 minutes Toronto | Reuters — Canadian marijuana producer Aurora Cannabis is in talks with rivals CanniMed Therapeutics and Newstrike Resources to buy both businesses in a friendly deal that would create the nation’s top weed company, people familiar with the matter told Reuters on Friday. The deal signals an easing of tensions following an offer in[...]
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Figure 1. A September germinated seedling with its three main divided segments.
Crops

Pest Patrol: Controlling wild carrot in no till

#PestPatrol with Mike Cowbrough, OMAFRA

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Reading Time: 3 minutes Q: I am a long-time no tiller. I have a problem with increasing populations of wild carrot, mostly in my (conventional) soybean fields. This year in Roundup Ready corn, I have applied up to three litres of Transorb 540 and still have green carrot at harvest-time. What is the solution? Do I need to do[...]
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Figure 1: Jimsonweed in a corn crop during October.
Crops

Pest Patrol: Dealing with jimsonweed

#PestPatrol with Mike Cowbrough, OMAFRA

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Reading Time: 2 minutes Q: What weed is this, and how do I get rid of it? A: The weed in the picture (Figure 1 above) is jimsonweed (i.e. Datura stamonium), a member of the nightshade family. According to the Canadian Poisonous Plants Information System, jimsonweed “contains toxic tropane alkaloids, which have caused poisoning and death in humans and[...]
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