Controlling Canada thistle (Cirsium arvense) is one of the most pressing concerns of organic field crop growers. Not only can it limit yield but it can determine what it is possible to grow in a field ...

The key principle to Canada thistle control is to stress the plant and force it to use stored root nutrients. Canada thistle can recover from almost any stress, including control attempts, because of ...

Activity 2 – Development of breeding strategies for organic soybean production systems in Canada. [PDF 1.04 MB] Activity 3 – Evaluation of farmer-selected wheat, oat and potato genotypes under organic ...

Clopyralid applied to Canada thistle rosettes has provided better control in the following growing season than applications to bolted plants. The objectives of this research were to determine if using ...

Thistles are on my top 10 worst garden pest list. Canada thistle is difficult to control because it is a perennial weed with an extensive and creeping root system. It reproduces from buds in its root ...

This is a preview. Log in through your library . Abstract Organic farmers in western Canada rely on tillage to control weeds and incorporate crop residues that could plug mechanical weed-control ...

Canada thistle (Cirsium arvense) is probably near the top of the list for just about any gardener and farmers too for that matter. It is a tough perennial broadleaf weed that is easily established in ...

BOZEMAN - Researchers at Montana State University are leading a collaborative grant across the four-state Northern Great Plains and Pacific Northwest regions with a multi-pronged attack on what is ...

Canada thistle (Cirsium arvense) is an aggressive, creeping perennial weed that infests crops, pastures, rangeland, roadsides and noncrop areas. Generally, infestations start on disturbed ground, ...