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Tag Archives weed control

wild oats and green foxtail
Crops, Equipment

Rethinking weed management

Not every weapon against herbicide resistance comes out of a sprayer

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Farmers up against herbicide-resistant weeds need to rethink their cropping systems and add more angles in their approach to long-term weed control. This advice came from Dr. Drew Lyon of Washington State University during his presentation at the Manitoba Agronomists’ Conference in December. While Lyon’s discussion primarily focused on integrated weed management (IWM) in dryland […] Read more
oerth bio protac
Crops, Features

Herbicide researchers pick new fights

Different modes of action may overcome a lull in herbicide discovery

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Herbicide development has slowed in recent years, but innovative research methods could soon drive significant progress in the field. For decades, the pace of discovery of new modes of action — that is, how a herbicide interferes with the plant’s normal functions — was robust. From the 1950s through the 1980s, an average of one […] Read more
Boom stability, boom height and travel speed are critical to uniform herbicide application and curbing variability in spray coverage.
Crops, Equipment, Features

Tackling herbicide resistance with smarter spraying

Tom Wolf from Sprayers101.com shares insights on how spraying techniques and technologies can help farmers stay ahead of resistance

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With herbicide resistance on the rise, farmers can no longer spray their way out of weed problems — but smarter spraying can help prevent making resistance worse. That was the message from spray application specialist Tom Wolf, who spoke recently at the Manitoba Agronomists’ Conference. Wolf, from Saskatoon, is known for his contributions to Sprayers101.com, […] Read more
volunteer canola in soybeans
Crops, Features

The evolving fight against volunteer canola 

As its prevalence grows, farmers are adopting integrated strategies to manage one of the Prairies' most persistent weeds

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While chemistries out there continue to work for most farmers, the days of spraying their way out of volunteer canola issues are receding in the rearview mirror.  “I’m not going to say that herbicides don’t work because there are quite a few herbicide options still to manage volunteer canola,” says Charles Geddes, a research scientist […] Read more
Justin Prickel demonstrates the WeedSeeker 2 system’s ability to detect a weed during Agco’s 2024 Tech Day event near Salina, Kansas in June. PTx Trimble is now part of a joint venture between Trimble and Agco.
Equipment, Machinery

WeedSeeker 2 offers spot-spraying retrofit for existing sprayers

The green-on-brown system could reduce herbicide use in spring and fall applications

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The three current green-on-green spot spray systems on the market now are only capable of functioning in corn, soybean and cotton crops. For most Prairie producers, that doesn’t fit their operations very well. A green-on-brown system, however, could offer significant reductions in herbicide use during pre-seeding and post-harvest burndowns. PTx Trimble’s WeedSeeker 2 system offers […] Read more
A selection of Proven Seed corn varieties — including PV 60474RIB, due out for the 2025 growing season, at right — at Nutrien Ag Solutions' plot at Ag in Motion in July.
Corn, Corn Production Guide, Guides

Select the right corn hybrids for your fields

Consider a hybrid that has the most genetic potential to meet yield goals while managing production stressors

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Glacier FarmMedia — Corn seed is arguably one of a farmer’s greatest input investments each year, making the selection of the right hybrid mix an increasingly important task. “The most yield potential a crop has is when the seed goes into the ground,” says Paul Sullivan, CCA with Sullivan Agro Inc. “After that, stresses like […] Read more
Ryan Ruchkall uses a drone to collect field data on kochia and wild oat at EMILI’s Innovation Farms. EMILI is working with Geco Engineering to assess the performance of Geco’s weed mapping technology for predicting weed locations and detecting emerging herbicide resistance.
Crops, Features

Integrated weed management faces new future

Intercropping, predictive weed control could redraw battle lines in the fight against herbicide-resistant weeds

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Glacier FarmMedia — Herbicide resistance in weeds is rising and there are no new chemistries on the horizon, so farmers will need fresh approaches to integrated weed management strategies. “I think the best management practice that someone could do for weed resistance is the one you’re not currently doing on your farm,” says Rory Cranston, […] Read more
Freshly-sprayed pots and loaded petri dishes for the dose response work with wood vinegar and potassium nitrate. The compounds were placed with the seed in the petri dishes while -- for the potted work – seeds were deposited in the soil and sprayed at 200 litres per hectare.
Crops, Features

Wake weeds up and let Mother Nature sort them out

Researcher finds value in wood vinegar in unique weed-killing process

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Glacier FarmMedia — It makes some intuitive sense: stimulate weeds’ growth at the wrong time of the year and let the winter frost kill them off. The challenge, says a scientist, is finding the right stimulant to wake them up. Shaun Sharpe, a weed researcher with Agriculture and Agri-Food Canada (AAFC) in Saskatoon, may have […] Read more
The Garford-RootWave eWeeding system is currently available in up to a six-metre working width in either a rear- or front-mounted configuration.
Crops, Equipment, Machinery

Electrocuting weeds

U.K. companies set to introduce a chemical-free way to control weeds

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As concerns over chemical usage and weed resistance increase, different technologies have been offered as alternatives to weed control. Recently, two U.K.-based companies have teamed up to produce a system that uses electricity to kill weeds. “The principle of electric weeding has been around since the late 1800s,” says Jonathan Henry, managing director at Garford […] Read more
wild oat
Crops, Features

Herbicide resistance flirts with crisis mode

Although not one-size-fits-all, integrated weed management may come to the rescue

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They’re big numbers underscoring a big problem. In Saskatchewan, over 15 million acres of weed patches are resistant to Groups 1 and 2 herbicides. Of 31 known herbicide sites of action, 21 have confirmed resistance to a weed species. And, with 56 confirmed cases, Canada is third in the world for herbicide-resistant weeds. These are […] Read more

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