Crop & Pest Report

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Northeast ND (06/25/15)

Information from the Northeast region of North Dakota.

Barley fields are heading this week and many wheat fields are in the boot stage. Overall, the small grain crop is looking good to excellent. My IPM scout hasn’t found new fields with stripe rust, however keep vigilant. A string of mid-80°Fs is predicted for the weekend which could inhibit development.

Our canola is at variable crop stages from the earliest-seeded canola at early bloom to cotyledon-staged plants due to frost replant. The most recent sclerotinia risk model has infection risk at moderate for most of the region with a high risk around Michigan, Inkster and Humboldt.  You can find the statewide risk map here: https://www.ag.ndsu.edu/sclerotinia/.

With help from the Pembina and Towner County Agents, Jan Knodel and I are setting up pheromone traps for swede midge detection in canola along the northern border. One swede midge was detected in the Canadian trapping network near Winkler MB in 2014. This canola pest has limited control options, short adult life i.e. a small window to kill, and can cause deformation on canola flowering structures resulting in yield loss.

Lesley Lubenow

Area Extension Specialist/Agronomy

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