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Distribution of regulated weeds in Alberta

Description

This report presents distribution and abundance ratings of invasive plants listed in the regulations of the Alberta Weed Control Act. This information is reviewed and updated annually by municipal... More ≫

Description

This report presents distribution and abundance ratings of invasive plants listed in the regulations of the Alberta Weed Control Act. This information is reviewed and updated annually by municipal weed inspectors to support potential amendments to the regulations of the Alberta Weed Control Act, and to assess the effectiveness of said regulations.

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Foxtail barley control in direct seeding systems

Description

Foxtail barley is a tough-to-control perennial weed in zero tillage systems. Herbicides containing glyphosate can effectively control seedlings at relatively low rates with much higher rates... More ≫

Description

Foxtail barley is a tough-to-control perennial weed in zero tillage systems. Herbicides containing glyphosate can effectively control seedlings at relatively low rates with much higher rates required for control of mature plants. Cultural practices that encourage a competitive crop, such as high seeding rates and banding of nitrogen fertilizer, help to reduce yield losses and slow the spread of foxtail barley.

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Weed management in tree nurseries

Description

Weed management in tree nurseries should consist of cultural/preventative measures and should be supplemented by the effective use of appropriate herbicides. Since weeds reduce the growth and... More ≫

Description

Weed management in tree nurseries should consist of cultural/preventative measures and should be supplemented by the effective use of appropriate herbicides. Since weeds reduce the growth and quality of nursery plants by competing for nutrients, water and light, nursery growers must plan an effective weed control program. This fact sheet will review preventative measures and list registered herbicides for planning a weed control program in tree nurseries. Information about herbicide selectivity, soil versus foliar activity and steps for planning a weed control program with herbicides is also included.

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