Crop & Pest Report

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Crop & Pest Report

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Continue to Scout for Canola Flea Beetle (05/27/21)

With warmer temperatures occurring in most of North Dakota, flea beetles will be more active in areas with emerged canola fields.

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Pea Leaf Weevil Emergence (05/27/21)

As we move into late May, pea leaf weevil (PLW) will likely begin emerging in western areas of North Dakota.

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Weather Forecast (05/20/21)

The May 20 to May 26, 2021 Weather Summary and Outlook

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Southwest ND (05/20/21)

Information from the Southwest region of North Dakota

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South-Central/Southeast ND (05/20/21)

Information from the South Central/Southeast region of North Dakota.

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Northwest ND (05/20/21)

Information from the Northwest region of North Dakota.

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North Central ND (05/20/21)

Information from the North Central region of North Dakota

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Clover Mites in Homes (05/20/21)

Do you see small dots moving around on the inside of your window sill or climbing up the sides of the house on the sunny-side (south or west)? You are not seeing things.

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Dry Soils and Low Humidity Will Impact Air Temperature Inversion Timing, Duration, and Intensity (05/20/21)

North Dakota’s drought situation continues to grip most of the state. Because soils are drier than normal, they do not absorb as much solar radiation during daytime hours.

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Germination Depth of Weeds (05/20/21)

Despite the ongoing dry conditions across the state, we are seeing a significant amount of summer annual weed emergence in many areas.

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How Much Topsoil Loss is Enough? (05/20/21)

Wind and water are the main causes of topsoil loss. However, recently tillage has been identified as an additional cause as tillage not only removes topsoil from agricultural fields but it actually increases the intensity and rates of wind and water erosion.

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Wheat Disease Publications and Updates

Two NDSU wheat Extension publications on bacterial leaf streak and rust diseases were updated this winter and are now available for download.

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New Canola Pathology Publications (05/20/21)

Three new disease management circulars were published in the fall of 2020.

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Sugarbeet Plant Population for Highest Recoverable Sucrose (05/20/21)

Researchers at North Dakota State University and the University of Minnesota have demonstrated that a wide range of plant populations that are uniformly spaced resulted in high tonnage and recoverable sucrose, but plant populations of 175 to 200 plants per 100 foot of 22-inch wide rows consistently resulted in the maximum recoverable sucrose per acre.

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Most Common Sugarbeet Weed Control Question, Week of May 10 (05/20/21)

Question. Why is there so much common ragweed and how can I control common ragweed in sugarbeet?

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Emerged Weeds in Sugarbeet (05/20/21)

Our 2021 sugarbeet crop is planted and stands are spotty in many regions. Kochia, common lambsquarters, common ragweed, and pigweed are emerging but generally have been spotty despite lack of rainfall to incorporate preemergence herbicides.

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Canola (05/20/21)

The average North Dakota canola yield for the last 13 growing seasons was 1,728 pounds per acre.

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Canola Flea Beetles Emerging (05/20/21)

Temperatures have warmed up above 60F and this triggers flea beetles to move out of overwintering areas to newly planted canola fields.

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Alfalfa Weevil Scouting (05/20/21)

North Dakota gained about 100 Accumulated Degree Days (ADD) units from last week. This week we have a low of 265 ADD in the northeast area to a high of >400 ADD in the northwest to south central areas (see map).

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Early Season Grasshopper Emergence (05/20/21)

With crop emergence now underway throughout North Dakota, crop scouting for young grasshoppers is just around the corner.

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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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