Northwest Research and Outreach Center

Northwest Research and Outreach Center
2900 University Ave.
Crookston, MN 56716
Phone: 218-281-8604
Fax: 218-281-8603
quirk010@umn.edu

Cropping Issues in Northwest Minnesota: June 30, 2009

West Central Research & Outreach Center Summer Center Day 2009

Morris, MN, Friday, July 10, 2009

Wind Burned Wheat

The hot windy weather this past weekend may have caused some wind burn damage to just emerging leaf tips.  The symptoms look a lot like the damage from contact herbicide or fertilizer burn.

Losses in Wheat due to Flooding and Waterlogging

Northwest Minnesota continues to be plagued by excess precipitation. Consequently many field or lower lying portions of fields are repeatedly flooding or are - at a minimum - completely waterlogged. Flooding and water logging causes a rapid depletion of oxygen in the root zone.

Bacterial leaf stripe of wheat: Something to keep in mind

Bacterial leaf stripe is a disease that can usually be found on wheat in the Red River Valley (RRV) later as crop growth stages progress.  The disease can develop and become severe rapidly after the crop reaches the heading growth stage.

Aphids in Small Grains – June 29, 2009

There have been some reports of bird cherry-oat aphids in small grains in NW and WC MN over the last week.  The populations are at low numbers, but it’s still a good idea to scout for aphids in small grains.

Watch for Midge as Wheat Approaches Heading Stage

There could be about 70% of the region’s wheat acres at the heading stage when wheat midge are emerging, based on those acres being planted in the high risk window. Heading is the growth stage when wheat is attractive to female midge for egg laying, and the time the plant is most susceptible to injury from midge larval feeding.

Weed Control in Roundup Ready Sugarbeet

For those growers unable to apply glyphosate to Roundup Ready sugarbeet for the first time due to wet soil conditions, apply the maximum rate of glyphosate allowed.  The maximum glyphosate rate for Roundup Ready sugarbeet is 1.125 pounds acid equivalent per acre (lbs ae/A).

Corn Response to Fungicide in Minnesota: Results from 2007 and 2008

In the past few years, the use of foliar fungicide on corn has gained considerable attention. In 2008, research was conducted in southern Minnesota at Lamberton and Waseca to determine how planting date impacted corn response to foliar fungicide.

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June 30, 2009

2009 Issues