Crop & Pest Report

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North Central ND (07/05/18)

Information from the North Central region of North Dakota

Crops continue to advance fairly rapidly, especially with the aid of the precipitation the past couple weeks. Small grains are heading with canola beginning to flower. Pulse crops continue to advance, but are about a week behind the pulse crops in the Northwest part of the state – likely due to precipitation that fell in mid to late May that the North Central region didn’t receive.

Continue to scout for minor populations of grasshoppers in the area. During the statewide Extension conference call last week, reports of aphid activity was found in the eastern part of the state. At this time, I have not come across any reports in the North Central or Western parts of the state, however, it’s never too early for scouting. Soybean aphid thresholds are 250 aphids per plant. For small grain aphids (i.e. Greenbug, Bird Cherry Oat Aphid, and English Grain Aphid), the treatment threshold is 85% of stems with more than one aphid present or 12-15 aphids per stem, prior to complete heading. Populations above the threshold could result in economic injury. Cutworm injury is likely to subside at this point in the growing season as they are now advancing out of the damaging stage of the lifecycle and crops are now fairly large. Wheat Midge is being detected in traps across the region. Scouting will be important. Please refer to last week’s Crop & Pest Report for more information.

Farmers are applying fungicides throughout the North Central region – especially in small grains and canola. While scouting for insect populations, one should be scouting for disease issues as well.

Over the last week, the North Central region continued to receive a decent amount of precipitation, with localized heavy amounts observed in some parts of the area. Minot received about 1.08”, Bottineau 2.46”, Crosby 1.63”, Garrison 3.84”, and Rugby 1.46” of precipitation. Soil temperatures (bare) appear to be holding steady at most NDAWN stations in the North Central region (NCREC/Minot - 72˚F, Bottineau - 65˚F; Garrison - 68˚F; Rugby - 69˚F).

TJ Prochaska

Extension Cropping Systems Specialist

NDSU North Central 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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