25 Jun

Posted at 22:22h in Weeds

Fierce provided 99% visible control and biomass reduction of glyphosate-resistant downy brome 8 weeks after treatment. High rates of Focus and Heat Complete, and two rates of Authority Supreme provided excellent control greater than 90%. Glyphosate-resistant downy brome was confirmed in a glyphosate-resistant canola field in...

02 May

Posted at 16:59h in Weeds

Quizalofop alone or in combination with imazamox, imazamox + bentazon, or imazamox/imazethapyr, and glufosinate mixed with clethodim resulted in more than 80% visible control, plant mortality, and reduction in biomass of glyphosate-resistant downy brome 21 days after treatment. Glyphosate-resistant downy brome was confirmed in a southern...

30 Jun

Posted at 16:56h in Weeds

Fluazifop, quizalofop, clethodim, sethoxydim, and glyphosate can all reduce downy brome and Japanese brome biomass, especially when applied shortly after germination to plants less than 4.3 inches tall —with a tendency for fluazifop and quizalofop to be most effective. Research evaluated the efficacy of glyphosate and...

31 Jul

Posted at 15:04h in Weeds

Where the saline forage site contained root zone salinity approaching severe, the best forage control treatments were AC Saltlander green wheatgrass seeded on 15 or 30.5 cm row spacing. The next best option was alternating rows of AC Saltlander green wheatgrass with slender wheatgrass seeded...

17 Apr

Posted at 15:35h in Weeds

Field trials found pyroxasulfone (Focus), pyroxasulfone + flumioxazin (Fierce), and pyroxsulam (Simplicity) provided effective control of Japanese and downy brome in winter wheat. Trials were established at Lethbridge and Kipp, Alberta, and Scott, Saskatchewan, over three growing seasons to compare herbicides for control of downy and...

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