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Volume
2 Issue
5
June 21, 2005
Section 18
Issued for Orius Foliar Fungicide for use in Minnesota and
South Dakota on Wheat and Barley
The EPA granted a section 18 specific exemption for the
use of Orius (Makhteshim Agan of North America, Inc.)
fungicide on wheat and barley in Minnesota and South
Dakota for suppression of Fusarium head blight (scab).
Northwest
Research and Outreach Center: Crops and Soils Field Day
The 2005 edition of the Northwest Research and
Outreach Center’s Crops and Soils Field Day is scheduled
for Wednesday, July 13. Visitors are asked
to come to the NWROC’s North Agronomy Farm, approximately
1.0 mile north of the University of Minnesota, Crookston (UMC)
campus on Highway 75.
Iron
Chlorosis in Soybean
The soybean crop has been under stress from a cool, early
growing season and excess moisture. Yellowing of the crop
(chlorosis) can be seen in a number of soybean fields in
the region.
Timing POST Herbicide
Applications in Soybeans
In a survey
published by the Minnesota Department of Agriculture, it
was reported that 84 percent of soybean acres in 2003 were
treated with glyphosate. Although the glyphosate system
has simplified weed control for many growers, proper
timing of herbicide applications is still important in
optimizing soybean yields.
European Corn Borer Management
in Northwest Minnesota
The European corn borer is still the region’s
number one insect pest of corn, though Bt corn has
helped take much of the guesswork out of management. The
challenge of managing borers in northwest Minnesota has
always been due to the lengthy interval of moths emerging
from overwintering sites.
Aphids in Small Grains -
Timing IS Everything!!
Over the past week there have been reports of aphids in
small grains. Mostly these seem to be Bird-Cherry Oat
aphids, the most common aphid we get in small grains in
this region.
Risk Forecast of Sclerotinia
in Canola for Minnesota
and North Dakota — June 19, 2005
An analysis of weather data and the top zone (0 to
4 inch) soil moisture for the canola producing areas of
North Dakota and Minnesota for the 10 day period ending
June 19th 2005, indicates that there is a moderate risk of
sclerotinia except for a few areas of low risk including
the area around Roseau and Thief River Falls, MN.
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