Reading Time: 2 minutes If you rely solely on crop protection products to fend off wild oats, you’re not going to like the eventual bottom line. Herbicide-resistant strains of the weed are going to mean you’ll eventually run out of luck. It’s not a new problem, but every year it gets just a little bit more concerning. “Resistance is […] Read more
Wild oat a growing resistance challenge that can’t be ignored
Keep an eye on your fields this summer and be ready to tackle the problem when you see it
Face herbicide-resistant wild oats head on, say producers
New video gives the view of three Prairie farmers who have been hit by resistant weeds and battled back
Reading Time: 4 minutes Don’t turn a blind eye: Admit you’ve got a problem and get on top of it right away. The issue is herbicide-resistant wild oats and that’s the advice from a trio of Prairie producers in a new video from the Resistant Wild Oat Action Committee. “It’s definitely something that it pays to get on sooner […] Read more
Group 27 herbicide resistance arrives in Canada
Mesotrione-resistant waterhemp confirmed in Quebec
A persistent and fiercely competitive weed that has developed resistance to several herbicide groups since its arrival in Canada is now the first in the country to fight off a Group 27 product. Quebec’s Reseau d’avertissement phytosanitaire (RAP) last Friday reported a patch of waterhemp with resistance to mesotrione herbicide in the Haut-Richelieu municipality, in […] Read more
The lowdown on wild oat resistance
Reading Time: < 1 minute Currently, 69 per cent of wild oats on the Prairies have some type of herbicide resistance, and there are limited control options if the weed has developed both Group 1 and 2 resistance. In light of this, the Resistant Wild Oat Action Committee is working to develop increased awareness, beginning with a series of infographics. […] Read more
Forget the silver bullet, bring out the arsenal against kochia
Study using multiple methods to control one of the most dangerous weeds on the Prairies
Reading Time: 4 minutes If it’s a one-on-one battle, put your money on kochia. The pernicious weed is not only a prolific seed producer, thrives in harsh conditions, and spreads its progeny far and wide, it’s also a master when it comes to developing resistance to herbicides. So producers are urged to use a variety of ‘best management practices’ […] Read more
Crop protection Blue Book is popular, but not fully appreciated
Co-author says annual crop protection manual has valuable info on modes of action, resistance, and other topics
Reading Time: 2 minutes The Blue Book is known for its comprehensive list of pesticide products for use on major field crops, but the crop protection manual has “vast amounts of additional information,” says its co-editor. “These pages contain the hidden gems of information that are valuable to producers,” said provincial crop specialist Harry Brook. One example is herbicide […] Read more
In the weeds: Canadian farmers can’t stay ahead of herbicide resistance
The problem is huge, rapidly getting worse, and non-chemical weed control is becoming a necessity
Reading Time: 4 minutes Farmers won’t be able to spray their way out of this — Canada is now third in the world when it comes to weeds able to survive pesticides that used to kill them. “We’re quickly being overrun by herbicide-resistant weeds,” said federal research scientist Charles Geddes. “There have been difficult herbicide-resistant weeds in the past, […] Read more
Pesticide makers create resistance website
Reading Time: < 1 minute The organization representing pesticide makers has a new online tool to help minimize herbicide resistance on farms. Three out of five Canadian growers are now dealing with herbicide-resistant weeds, Paul Hoekstra, a senior official at Syngenta and chair of CropLife Canada’s resistance management committee, said in a news release. Manage Resistance Now promotes using a […] Read more
Millions of Alberta acres have resistant weeds
Kochia and wild oats top a long list of resistant weeds that are now present in Alberta, says crop specialist
Reading Time: 2 minutes When it comes to herbicide resistance, producers should be looking for trouble. The ongoing spread of resistant weeds means producers should be actively scouting for it, said provincial crop specialist Harry Brook. “We now have glyphosate resistance in kochia in southern Alberta and it continues to spread,” said Brook. “These should serve as a wake-up […] Read more
‘Wake-up call’ needed for resistance
Provincial crop expert says it’s time to stop pretending it’s not ‘a huge issue’
Reading Time: 3 minutes Weed resistance has been an issue in crop production for many years, but is coming to the forefront as increasing numbers of weeds are no longer responding to herbicides. “Most producers are aware of the issue, but unless it affects them directly, don’t see it as a huge issue,” said provincial crop specialist Harry Brook. […] Read more
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