Browsing by Author "Brown, K.R."
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Item Cadmium in crop production(1999-02-25) Grant, C.A.; Mitchell, L.G.; Brown, K.R.; Bailey, L.D.Item Herbicide-use trends in prairie canola production systems(2006-03-02) Leeson, J.Y.; Thomas, A.G.; Beckie, H.J.; Brenzil, C.A.; Hall, L.M.; Andrews, T.; Brown, K.R.; Van Acker, R.C.Item Manitoba field survey of herbicide-resistant weeds(2005-02-17) Beckie, H.J.; Leeson, J.Y.; Thomas, A.G.; Andrews, T.; Brown, K.R.; Van Acker, R.C.In 2002, 150 fields were randomly selected throughout the ecoregions of Manitoba and surveyed for grass and broadleaf weeds resistant to Group 1 (ACCase inhibitor) or Group 2 (ALS inhibitor) herbicides. One-third of surveyed fields had a herbicide-resistant weed biotype. Two biotypes new to western Canada are Group 2-resistant green foxtail and redroot pigweed. Of producers with resistant biotypes, 10% or fewer were aware of their occurrence.