Crop & Pest Report


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Northeast ND (05/07/20)

Information from the Northeast region of North Dakota.

We are in a cool weather pattern. In the northeast, counties received between 0.5” and 1” of rainfall except Pembina and eastern Walsh county. Fertilizer spreading is occurring. Small grain fields were seeded but progress is slow. Very little spring work has started in Rolette, Towner and Cavalier counties. I have started to catch striped flea beetles in traps over the last weekend. They will have the emerging volunteer canola and wild mustard species to feed upon.

In Cavalier County and surrounding areas, wild oat management is a big issue. This winter, I heard Brian Jenks, North Central REC weed scientist, speak on wild oat control. Here are few things I learned. Barley is more competitive than wheat on wild oat populations. In wheat, consider a later planting date to kill the first flushes of wild oat prior to seeding. A drawback of this strategy is potential wheat yield loss. Other wheat production strategies are to use a higher population, use a tall variety, and spray glyphosate as late as possible PRE. Axial XL and Raptor may work for some farmers. Wild oat populations submitted for NCREC testing in 2018 showed resistance to Axial at 48% and Raptor at 45%.

Lesley Lubenow

Extension Cropping Systems Specialist

NDSU Langdon Research Extension Center

This site is supported in part by the Crop Protection and Pest Management Program [grant no. 2017-70006-27144/accession 1013592] from the USDA National Institute of Food and Agriculture. Any opinions, findings, conclusions, or recommendations expressed are those of the website author(s) and do not necessarily reflect the view of the U.S. Department of Agriculture.

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