Search Results - "Friesen, L.F"

biology of Canadian weeds. 138. Kochia scoparia (L.) Schrad by Friesen, L.F, Beckie, H.J, Warwick, S.I, Van Acker, R.C

“…Kochia [Kochia scoparia (L.) Schrad.] is an annual broadleaf weed species native to Eurasia and introduced as an ornamental to the Americas by immigrants in…”
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Gene Flow and Multiple Herbicide Resistance in Escaped Canola Populations by Knispel, Alexis L., McLachlan, Stéphane M., Van Acker, Rene C., Friesen, Lyle F.

“…Gene flow among herbicide-resistant (HR) canola varieties can lead to the development of multiple HR canola plants, creating volunteer canola management…”
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Round-leaved Mallow (Malva pusilla) Growth and Interference in Spring Wheat (Triticum aestivum) and Flax (Linum usitatissimum) by Friesen, Lyle F., Nickel, Kenneth P., Morrison, Ian N.

“…Round-leaved mallow interference in spring wheat and flax was investigated under field conditions in southern Manitoba. Additionally, the growth of mallow…”
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Emergence timing of volunteer canola in spring wheat fields in Manitoba by Lawson, Arvel N., Van Acker, Rene C., Friesen, Lyle F.

“…Observational studies of weed emergence provide essential data for the creation and testing of predictive emergence models, with data ideally being collected…”
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Modeling the Influence of Gene Flow and Selection Pressure on the Frequency of a GE Herbicide-Tolerant Trait in Non-GE Wheat and Wheat Volunteers by Brule-Babel, A.L, Willenborg, C.J, Friesen, L.F, Van Acker, R.C

“…Different types of transgenic wheat (Triticum aestivum L.) will be ready for commercialization within the next decade, including varieties with higher yields,…”
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potential benefits, risks and costs of genetic use restriction technologies by Van Acker, R.C, Szumgalski, A.R, Friesen, L.F

“…Genetic use restriction technologies (GURTs) are designed to restrict access to genetic materials and their associated phenotypic traits. Originally GURTs were…”
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Emergence Timing and Recruitment of Volunteer Spring Wheat by De Corby, Kristi A, Van Acker, Rene C, Brûlé-Babel, Anita L, Friesen, Lyle F

“…With the recent interest in genetically engineered (GE) wheat and the commercialization of novel-trait imidazolinone herbicide-resistant wheat in North…”
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Influence of a range of dosages of MCPA, glyphosate, and thifensulfuron: tribenuron (2:1) on conventional canola (Brassica napus) and white bean (Phaseolus vulgaris) growth and yield by Sawchuk, J.W, Van Acker, R.C, Friesen, L.F

“…There is a high potential for inadvertent herbicide injury to crops in western Canada on an annual basis because of the diversity of crops grown in close…”
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Influence of spring tillage and glyphosate treatment on dandelion (Taraxacum officinale) control in glyphosate-resistant canola by Froese, N.T, Acker, R.C. van, Friesen, L.F

“…Although dandelion has been recognized for some time as a common weed of perennial plant stands, recent weed surveys in western Canada indicate that dandelion…”
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Effectiveness of border areas in confining the spread of transgenic Brassica napus pollen by Staniland, B.K, McVetty, P.B.E, Friesen, L.F, Yarrow, S, Freyssinet, G, Freyssinet, M

“…The development of transgenic Brassica napus L. cultivars requires field trials in agricultural settings. For field testing of transgenic constructs that have…”
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Inheritance of multiple herbicide resistance in wild oat (Avena fatua L.) by Karlowsky, J.D, Brule-Babel, A.L, Friesen, L.F, Van Acker, R.C, Crow, G.H

“…To gain some insight into the surprisingly frequent occurrence of multiple herbicide resistant wild oat in western Canada, the inheritance of multiple…”
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Reponse of a chlorsulfuron-resistant biotype of Kochia scoparia to sulfonylurea and alternative herbicides by FRIESEN, L.F, MORRISON, I.N, ABDUR RASHID, DEVINE, M.D

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Response of a Chlorsulfuron-Resistant Biotype of Kochia scoparia to Sulfonylurea and Alternative Herbicides by Friesen, Lyle F., Morrison, Ian N., Rashid, Abdur, Devine, Malcolm D.

“…Kochia growing on an industrial site where chlorsulfuron was applied repeatedly over several seasons was confirmed to be resistant to chlorsulfuron and several…”
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Canola (Brassica napus) response to simulated sprayer contamination with thifensulfuron and thifensulfuron: tribenuron (2:1) by Wall, D.A. (Agric. and Agri-Food Canada, Morden, Canada.), Derksen, D.A, Friesen, L.F

“…Greenhouse and field studies were conducted in 1992 and 1993 in Manitoba and Saskatchewan to determine the effect of simulated sprayer contamination with…”
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A rapid bioassay to detect trifluralin-resistant green foxtail (Setaria viridis) by Beckie, Hugh J., Friesen, Lyle F., Nawolsky, Ken M., Morrison, Ian N.

“…In a petri dish assay, radicle growth of trifluralin-resistant (R) green foxtail exposed to trifluralin concentrations of up to 0.4 ppm (w/v) was not…”
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