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Volume
3 Issue
9
July 18, 2006
Polk County Soybean Variety Plot
Tours
Tuesday July 25
9:30AM
Rick Roed Farm N of Fosston
Wednesday July
26 9:30AM
Tyler and HD Ross Farm W of Crookston
Soybean
Rust in the U.S.: An update from a rust-free state
Soybean rust is in the news, but not in Minnesota. The aggressive
fungal pathogen that causes Asian soybean rust continues to be of
interest, and in the last two years has become commonly known in the
southern US. The chances that it still may develop into a production
issue here during 2006 dwindle with every week and each soybean
growth stage that pass.
Soybean Aphids, Drought and Heat
Most questions about soybean aphid pertain to temperatures affecting
the population growth, and how insecticide treatments might be
impacted by high temperatures. The following comments were prepared
by Dr. Ken Ostlie, Extension Entomologist with the U of Minnesota
and should compliment earlier remarks published in previous issues.
Wheat and Barley Storage
Tips for on-farm grain storage from regional
experts.
Dry Summer 2006 - Situation
Report (July 11, 2006)
Weak northwesterly flow in the upper atmosphere since early May has
led to often-comfortable temperatures and very few severe weather
episodes. Inactive weather also means dry weather. When this
persistent weather pattern has produced rain events at all, they
have occurred in the form of geographically isolated, short-lived
showers and thunderstorms.
U.S. Drought Monitor
http://drought.unl.edu/dm
Current Corn Conditions in
Minnesota
Corn is extremely sensitive to soil moisture conditions now. For
most of the state corn plants are under some level of low moisture
stress. The effect this has on yield cannot be accurately assessed
now, but the conditions are certainly not good for the crop.
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