noxious weed Archives | Page 2 of 2 | Alberta Farmer Express

Herbicides are effective if applied at the rosette stage.

Don’t give this weed the nod

By Association of Alberta Agricultural Fieldmen May 4, 2016

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

Leafy spurge is tough to control once established.

Crops

Don’t let this invader take hold

By Association of Alberta Agricultural Fieldmen October 21, 2015

Reading Time: < 1 minute Leafy spurge is common throughout Alberta due to its ability to adapt to a variety of soil types through its extensive creeping root system. Stems are smooth and arranged in clumps, can grow up to a metre tall, and contain a milky latex. When it comes into contact with skin, the latex can cause irritation […] Read more

Spotted knapweed thrives in harsh conditions.

Livestock

Don’t let this on your rangeland

By Association of Alberta Agricultural Fieldmen September 25, 2015

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 […] Read more

Himalayan balsam can launch seeds five metres from the parent plant.

Livestock

Invader blasts its way into wet areas

By Association of Alberta Agricultural Fieldmen August 26, 2015

Reading Time: < 1 minute Himalayan balsam can be spotted in a number of municipalities across Alberta, and is especially common in flower beds. Before it was listed as a prohibited noxious weed, Himalayan balsam was a very popular ornamental. It was even readily available in greenhouses. Himalayan balsam is incredibly invasive in wet areas — mature seed capsules explode […] Read more

Crops

Smartphone app helps farmers scout for Alberta’s noxious weeds

App allows farmers to identify noxious weeds and report them to their local municipal fieldmen

By Jennifer Blair April 22, 2015

Reading Time: 2 minutes Need help identifying a noxious weed? Of course, there’s an app for that. “Most people have a phone with them at any given time,” said Jeff Fleischer, a member of the communications committee for the Association of Alberta Agricultural Fieldmen. “We prepared the app so that people could have a list of all of the […] Read more

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GFM Network News

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Tag Archives noxious weed

Don’t give this weed the nod

Don’t let this invader take hold

Don’t let this on your rangeland

Invader blasts its way into wet areas

Smartphone app helps farmers scout for Alberta’s noxious weeds

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