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Weed Wisdom March 2019

Created March 27, 2019 | Category: Farming Tips

Consider cultural weed management by Dr. Charles Geddes As the snow begins to melt, growers everywhere wait eagerly to get back to the land. This is often a time to plan out the coming growing season, and secure seed, fertilizer, and chemicals, among a wide range of other organizational tasks. Growers invest a large amount […]

Weed Wisdom Feb. 2019

Created February 21, 2019 | Category: News Articles

Weed seed predators – weed management while you sleep by Dr. Charles Geddes As you sleep, tucked away in your bed at night, little critters are out in your fields saving you money on weed control. Aside from germination, weed seed predation causes the largest seedbank decline, resulting in mortality rates of 50% to 90% […]

Weed Wisdom Jan. 2019

Created January 15, 2019 | Category: Weed Wisdom

How does hockey relate to weed management? by Jonathan Rosset First, I would like to thank Dr. Geddes for inviting me to take over his column this month and talk about my research. Over the past 2.5 years at the University of Manitoba, I have been examining how cultural weed management practices help reduce the […]

Weed Wisdom – October 22, 2018

Created October 22, 2018 | Category: News Articles

Herbicide-resistant weed diagnostic testing – collect samples now By Dr. Charles Geddes The incidence of herbicide-resistant weed biotypes in western Canada is on the rise. Recent surveys indicate that about 57% of fields in Saskatchewan, and 68% of fields in Manitoba, contain a herbicide-resistant weed biotype. These numbers are up compared with Saskatchewan and Manitoba […]

Weed Wisdom – September 18, 2018

Created September 18, 2018 | Category: News Articles

Management of kochia at harvest by Dr. Charles Geddes Western Canada has a kochia problem this year. It’s probably because kochia can tolerate things such as drought or salinity better than most crops; which allows it to proliferate in many areas of fields where the crop is less competitive. Kochia is one of the first […]

Weed Wisdom July 2018

Created July 18, 2018 | Category: News Articles

Harvest weed seed control by Dr. Charles Geddes It is possible to reduce the number of weed seeds that hit the ground in a field using Harvest weed seed control (HWSC). During harvest, most farmers set their combines to select for a clean grain sample and limit dockage due to the presence of weed seeds. […]


Weed Wisdom June 2018

Created June 12, 2018 | Category: News Articles

Screening service for glyphosate and/or auxinic herbicide-resistance by Dr. Charles Geddes  Glyphosate (group 9)-resistant kochia is invading fields in western Canada and preliminary research shows that the incidence of glyphosate-resistance in fields with kochia populations is increasing quickly. Even worse, certain populations of glyphosate-resistant kochia in Saskatchewan have also tested positive for auxinic (group 4) […]

Weed Wisdom March 2017

Created March 15, 2017 | Category: News Articles

Narrow-Leaved Hawk’s-Beard (Crepis tectorum) The weather conditions in many areas last fall made it difficult to control winter annual weeds and extra attention may be warranted this spring. One such weed to consider is narrow-leaved hawk’s-beard (Crepis tectorum). It used to be considered primarily a weed of the northern Canadian prairies but is now also […]

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