Weed management update for 2016 and other thoughts

Date
2015-12-01
Authors
Owen, Micheal
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Many of the issues that have been problems in the past continue to remain problems. Herbicide resistance continues to evolve, diversity of weed management tactics is slowly changing, and herbicides that attach to new and novel sites of action in weeds have yet to be developed. However, there are some perspectives that are favorable, notably an increase in the use of soil-applied herbicides that provide residual control and the occasional sighting of a row-crop cultivator in 2015. The problem is, in my opinion, overcoming the tendency of farmers to wait until weed problems have increased to the point that resolution is costly and difficult. Generally, weed management is “OK” across the state and the locations with Palmer amaranth have not changed, based on the yearly road trip survey. Certainly the number of soybean fields with weeds visible above the canopy prior to harvest is increasing, but there has not been a notable increase across the state in major weed management failures.

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