Volume
6 Issue
6
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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