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Northeast ND (07/25/19)

Information from the Northeast region of North Dakota.

A few small grain fields are starting to turn.  ats.2Corn is approaching tasseling stage.  I have seen corn leaf roll in drier locations. 

My IPM scout is observing scab in wheat and barley.  Sclerotinia white mold risk models continue to be high.  Grasshopper populations have triggered insecticide use.  Banded sunflower moth is in the region.

As sunflowers approach flowering, scout for moths in the field or egg masses (link to video to explain how to scout) on the back of the sunflower head.  Sunflower bud moth has been found attacking sunflower heads (photo) instead of its usual leaf axil entry point.  This change in feeding location is due to sunflower bud moth adults emerging later in the season. This pest may injure a few plants in field but does not reach economic threatening levels.  As of Tuesday, we have not found any soybean aphids. 

 

 

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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