Reading Time: < 1 minute Nodding thistle is found in pockets around the province, but mainly in southern Alberta. This noxious weed is a prolific seed producer — a single flower can produce up to 1,200 seeds and a single plant up to 100,000 seeds. It can be recognized by the solitary large red to purple flowers at the end […] Read more
Don’t give this weed the nod
Top 10 weed management practices
Herbicide resistant weeds are no longer a novelty, they’re the norm
Hugh Beckie, a research scientist with Agriculture and Agri-Food Canada, said it’s a challenge to get farmers to implement herbicide-resistance best management practices (BMP) because growers are diverse, and one size doesn’t fit all. But Beckie has found that growers who use BMPs tend to have less herbicide resistance. So, in the spirit of David[...]
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Don’t be fooled by yellow toadflax’s good looks
Reading Time: < 1 minute It’s often mistaken for a type of snapdragon, but don’t be fooled by this invader of fields and pastures. Originally brought from Europe as an ornamental, quick-spreading yellow toadflax — a.k.a. wild snapdragon — is found all across North America. It spreads by both seed (up to 5,000 seeds per stem) and its creeping root[...]
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This poisonous invader is growing in numbers
Reading Time: < 1 minute Introduced from Europe in the 1600s as an ornamental species, common tansy (sometimes called tangee) has been spotted across central Alberta and its numbers have been on the rise in recent years. The weed is particularly threatening in pasture and riparian habitats, but can also be found in disturbed soils and flower beds. Most livestock[...]
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Don’t let this on your rangeland
Reading Time: < 1 minute Spotted knapweed has been reported in many areas of the province, especially ones with lots of vehicle traffic. Calgary, major highways, and border crossings are just a few areas with high densities of this prohibited noxious weed. The plant skeletons get caught in vehicle undercarriages, contributing to its spread. It also thrives in disturbed sites[...]
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Poisonous weed found in Alberta canola fields
Devil’s trumpet is highly poisonous, but poses little risk when processed into canola meal or oil
Reading Time: 4 minutes There’s still more questions than answers after a highly toxic prohibited weed was found in canola fields in three counties in north-central Alberta. Devil’s trumpet — also called jimsonweed — has been confirmed in Barrhead, Leduc, and Westlock counties, but how it got there and how widespread the problem is remains a mystery. “It would[...]
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What to ask when purchasing hay
Reading Time: < 1 minute Hay supplies and prices have been at a premium, but when purchasing hay it is important to keep quality in mind. There is always a risk when buying hay from unknown sources, including poor nutritional quality; a different species mixture than you expected; excessive dust or mould; or a high proportion of weeds. Here are[...]
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Bitter weed a common sight in Alberta
Noxious grassland invader: Tall buttercup
Reading Time: < 1 minute Tall buttercup is often found in Alberta, including in the MD of Lesser Slave River as well as Big Lakes, Yellowhead, Clearwater, and Mountain View counties. This plant contains a bitter, irritating oil that is toxic and can harm grazing livestock, especially cattle. This weed is an invader of wet areas, preferring humus soils, but[...]
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Mountain invader heading towards us
Reading Time: < 1 minute Orange hawkweed has been spotted in recent years along the eastern slopes of the Rocky Mountains. It is common in forestry cut blocks and is spreading rapidly down ATV trails and roads. Hawkweed is an extremely invasive plant, with a triple-threat arsenal of reproductive methods. It is not only a prolific seed producer, but has[...]
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The British are coming! And taking precision tillage to a new level
U.K. machine is pricey, but organic grain grower says it will easily pay for itself
Reading Time: 2 minutes Jeremiah Evans has a new high-tech hand helping him control weeds on his organic farm. Last fall, Evans took delivery of a custom-built U.K.-manufactured Robocrop InRow Weeder, which uses cutting-edge video image analysis to identify and target weeds, leaving the crop behind. After seeing what the cultivator could do to his wild oats, thistle and[...]
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Cyber-Savvy Farmer
