PrecisionPac roster expanded for Prairie cereals

DuPont Canada’s custom-blending system for herbicides this year will expand to nine products, including five newly-registered Group 2 and Group 2-and-4 blends for Prairie cereal growers, to be sold only through PrecisionPac dealers.

The PrecisionPac retail system dispenses active ingredients in various ratios to custom-fill a farmer’s specific sprayer tank or to custom-cover a specific size of field or problem area.

Along with the five newly registered blends, each to be sold only by a serial number rather than a brand name, DuPont said it will also offer Express PRO in the PrecisionPac roster this year.

Express PRO is registered for pre-seed, chem-fallow or post-harvest use. Unlike Express SG, which is already available in the PrecisionPac system, Express PRO gives 15 days of residual control on weeds such as dandelion, narrow-leaved hawk’s-beard and volunteer canola, cereal product manager Jon Gough said Thursday.

Express PRO, a tribenuron (Group 2) product, is registered for use 24 hours before seeding spring barley, spring wheat, winter wheat or durum, with a limit of one application per year.

The five newly-registered PrecisionPac blends of in-crop cereal herbicides on offer include:

  • DB-858, a blend of 58 per cent dicamba (Group 4) and eight per cent tribenuron (Group 2), for use in-crop in wheat and barley, in the brown and dark brown soil zones, and tank-mixable with 2,4-D ester, Puma or Everest;
  • DB-8454, blending dicamba (54 per cent) with tribenuron (four per cent) and thifensulfuron, another Group 2 (eight per cent), for broadleaf weed control in spring wheat, durum and barley, “ideal” as well for brown and dark brown soils and tank-mixable with Harmony Grass, Everest or Horizon;
  • DB-10550, blending dicamba (50 per cent), thifensulfuron (10 per cent) and tribenuron (five per cent), intended for “lighter populations” of Group 2-resistant kochia and other broadleaf weeds in barley, spring wheat and durum, also in the brown and dark brown soil zones, and also tank-mixable with Horizon;
  • PP-2525, combining two Group 2s (thifensulfuron and tribenuron at 25 per cent each) for assorted broadleaf weeds in spring wheat, durum and barley, meant for the black and dark brown soil zones and tank-mixable with 2,4-D, Banvel, Harmony Grass, Axial, Everest, Horizon or Puma Super; and
  • PP-23235, combining thifensulfuron and tribenuron (23 per cent each) with metsulfuron (five per cent), another Group 2 ALS inhibitor, for broadleaf weed control in spring wheat, durum and barley, but limited to one application per year, and tank-mixable with 2,4-D or Puma Super.

The new products’ serial numbers, which refer to the percentage of the actives in the blends, are meant to tie the new products specifically to the PrecisionPac system rather than to a brand name, Gough said.

DuPont’s PrecisionPac dealers would then work with grower customers on their needs for a particular blend.

The system, which dispenses the precise product volume into neoprene plastic bags, also means no excess chemical remaining on-farm at the end of the year, and no excess packaging to dispose of, said Gough, who operates out of the company’s Mississauga office.

Between now and 2012, he noted, the company plans to register more blends for the PrecisionPac platform, making “at minimum” 21 herbicide blends available by the end of that year.

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