Written by cpm
Two new active ingredients expand the options for chemical control this autumn, but growers would be foolish to rein back on cultural measures, warn experts. CPM reports. Removing a significant control such as delayed drilling will mean an increase in populations that will continue for several seasons. By Tom Allen-Stevens and Rob Jones Additions to the autumn herbicide stack these days are somewhat rare, so to have two new actives in one year could be deemed a relative treat. Brand new from Bayer is Proclus, with its new active ingredient aclonifen, while also new for cereals from the same manufacturer is metribuzin. This was released last year in limited quantities, and is now available as Octavian Met or Alternator Met, formulated with flufenacet and diflufenican (DFF). “A lot of the current actives used in the pre-em stack are in the same Herbicide Resistance Action Committee (HRAC) group and have a similar mode of action,” notes Bayer’s Darren Adkins. “Aclonifen brings a whole new mode of action for broadleaf and grassweeds in cereals, while metribuzin is the first triazinone herbicide approved for use in cereals, although it has been used in potatoes and has EAMUs for some vegetable crops.” Aclonifen…
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