Volume
6 Issue
4
June 16, 2009
Cool
Temperatures Delay Alfalfa Weevil: Time to Scout Fields
The cool temperatures have delayed alfalfa weevil population
development in the region.
Controlling
Canada thistle with Milestone
What is the optimum time to treat Canada thistle in non-cropland
with Milestone? Based on field trials at Ada in 2007 the window for
application is pretty wide and perhaps a better way to frame the
question might be: What is the least effective time to treat Canada
thistle?
Wireworms
in Small Grains
I’ve received reports of wireworms in small grains this season - not
surprising this year given that wireworm tend to be more active in
cooler conditions.
Sunflower
Rust Fungus is Alive and Well
in
Minnesota and North Dakota
This past week, the fungus that causes rust on sunflower,
Puccinia
helianthi, was identified on
wild and volunteer sunflowers in Minnesota and North Dakota. The
rust fungus is known as a “macrocyclic” pathogen because it produces
five successive types of spores during its lifecycle.
Advantages
to Narrow-Row Corn in
Northwest and West-Central Minnesota
With planting finally behind us, now is the time to consider
equipment upgrades for the 2010 growing season. A key step to higher
corn yields may be narrow rows (narrower than 30 inches).
What is
Extension and the “Land Grant Mission?"
I had the pleasure of working with a couple of groups of students
from Carleton College in Northfield this past week. One of the
questions that I get every time I work with these students is “What
is Extension, and what is your job?” I never tire of answering this
question.
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