Weed control options on the Prairies got a recent boost.
DuPont’s Express Pro, which contains tribenuron methyl and metsulfuron, is now registered to provide residual control of cleavers before they grow taller than eight centimetres. Previous residual control was registered for narrow leaved hawk’s beard.
The herbicide also controls scentless chamomile to the same height and white cockle at the rosette stage and suppresses night-flowering catchfly up to that height.
Express Pro is tank mixed with half a litre of glyphosate at the 360 gram per litre formulation.
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It is typically used in fields where dandelion, cow cockle and Canada thistle are present, where Group 9 resistance is a concern and in fields following Roundup Ready crops.
Dow’s Simplicity, which contains pyroxsulam, now has an expanded label to include suppression of downy brome grass in winter and spring wheat when it is applied in spring. It is also registered to control the weed when used in fall.
Japanese brome grass suppression has been confirmed in spring wheat.
The product is also registered for control of yellow foxtail and barnyard grass in all wheat varieties and types. Crop that can follow Simplicity in the next season have also been expanded to include yellow mustard, dry beans and juncea canola.
The label previously included barley, flax, lentils, chickpeas, oats, wheat, peas and soybeans.
Wild oat control in moderate infestations of less than 75 plants per sq. metre in spring wheat can be achieved when a rate of one jug per 53 acres is applied, provided it is mixed with a case of Attain XC, fluroxypyr and 2,4-D, or with Benchmark, florasulam and bromoxynil.
The Benchmark rate is based on applying a case at a rate that would cover 40 acres. The combination provides expanded broadleaf weed control.
Other new mixes include blending Simplicity at a 40 acre per jug rate with a 60 acre per case application of Frontline 2,4-D, a mix of florasulam and 2,4-D.
Adjuvants have also been added. The surfactant Agroal 90 can be used when Simplicity is applied alone on spring wheat.
Merge can be added as an adjuvant in spring or fall in winter wheat.
