Crop & Pest Report

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Northeast ND (8/17/17)

Information from the Northeast region of North Dakota.

Harvest activities are occurring across the region. Field pea harvest is in full swing. In the north valley and along Hwy 2, wheat and barley crop harvest is underway and picked up momentum over the weekend. Other northern tier counties have predominately barley and canola swathing activities taking place. In the last two weeks, soybean aphid population growth slowed with the cooler temperatures but upticked with the heat early this week. Scout fields after Wednesday’s rainfall to see if the rain decreased soybean aphid populations. IPM thresholds are active through R5 stage, when soybeans located at the top four nodes contain a soybean seed that is 1/8th inch in size. While scouting, you may see soybean leaves with brown spotting from bacterial blight (photo). As this is bacterial, no action is required.

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Lesley Lubenow

Area Extension Specialist/Agronomy

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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