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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
herbicide resistant kochia
Features, Pulses

Kochia tumbling into Prairie pulse crops

Scouting — and testing for herbicide resistance — will be important this spring

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Glacier FarmMedia — Concerns about the spread of kochia are growing for Saskatchewan’s pulse producers. Michael Brown, agronomy manager for Saskatchewan Pulse Growers, and Martin Carr, agronomy manager for WinField United, have seen the pesky tumbleweed spread throughout Saskatchewan, Alberta and the United States. The weed is resistant to some herbicides, among them Groups 4, […] Read more
(Adama.com/YouTube)
Cereals Production Guide, Crops, Wheat & Chaff

Broadleaf herbicide formulations set for cereal crops

Corteva, Adama launch new combination products

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A combo of Group 4 and 2 actives is Corteva Agriscience’s latest entry for spring and winter wheat and barley growers in the Prairies’ Black and Grey soil zones to use against broadleaf weeds. Extinguish XL, launched in mid-March, is billed as a “pre-formulated, all-in-one application that delivers control of tough weeds like cleavers, dandelion, […] Read more
AAFC’s Breanne Tidemann says kochia (seen here) appears to be spreading to areas of Alberta where it wasn’t seen previously.
Crops, Features

Into the weeds: 2024 in preview

Prairie specialists consider which weeds are most likely to succeed as the season proceeds

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The past few seasons have been a challenging time for farmers on the Canadian Prairies. Extreme heat, lack of precipitation and steep increases in production costs have caused some sleepless nights for many producers. As if those weren’t enough to contend with, another potential threat to crops will soon rear its ugly head: weeds. Grainews […] Read more
Wild foxtail barley on the edge of a canola field.
Crops, Features

Garden seeds lead to problem weeds

The names in the garden catalogues may sound pretty, but the plants are far from that in pastures or fields

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Glacier FarmMedia — Manitoba rancher Herman Bouw was casually perusing a gardening seed catalogue when a particular ornamental grass item caught his eye. The plant was listed as “squirrel tail grass,” but Bouw thought it looked awfully similar to a species with a more cursed name on the Prairies. A comparison of scientific names confirmed […] Read more
Planting perennial forages in ditches is recommended to help keep kochia from getting a toehold.
Crops, Features

Weed alerts on the southern front

A North Dakota weed expert cautions Prairie farmers about kochia, waterhemp and Palmer amaranth and their evolving herbicide tolerances

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Of all the things shared by Prairie farmers on both sides of the Canada-U.S. border, an abiding love of their land, fretting over the weather and a no-nonsense, ‘get ‘er done’ attitude are among those that come to mind. Unfortunately, this also includes weed problems. Weeds know no borders, of course, so when weed trouble […] Read more

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