'Fly Free' Date for Hessian Fly
Hessian fly is a potentially destructive pest in winter wheat; however, cultural control can minimize the potential damage and economic loss.
Integrated Crop Management News
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Black Mold on Corn
Is your white shirt quickly turning black from walking in a cornfield? A black mold known as saprophytic fungi is to blame.
Aflatoxin Detected in Fields in Central and Southern Iowa
Fields across the state are at risk for aflatoxin. Producers should scout their downed corn and stressed areas of their fields for aspergillus ear rot and, if detected, call their insurance adjuster immediately.
Identifying the Cause of Yellow Patches in Soybeans
Sudden death syndrome, charcoal rot and top dieback are all potential causes of the yellow patches producers are seeing in soybean fields. Knowing which disease is the cause can guide future management strategies.
Crop Quality Issues from the Drought of 2012
Producers whose crops have quality issues need to talk to their insurance company before harvest. Some quality issues are covered; others are not.
Managing Western Corn Rootworm with Bt Corn
Growers thinking about seed selection for 2013 should be aware of current challenges when managing corn rootworm with Bt corn.
Phosphorus, Potassium and pH Management Issues Following Drought-damaged Crops
Dry conditions and low yields will significantly reduce phosphorus (P) and potassium (K) removal with crop harvest, andmay also affect soil test P, K and pH results, complicating test interpretations.
Weed Survey to Evaluate Potential Herbicide Resistance
A survey started in 2011 to screen waterhemp, giant ragweed and marestail for resistance to five different herbicide classes will continue this fall.
Dry Soil Conditions and Liquid Manure Application
The current drought in Iowa has created changes in soil structure including fracturing and cracking, leading producers to wonder about the potential of leaching in drainage lines and groundwater.
Soil Fertility Management Issues Following Drought-damaged Crops - Nitrogen
This year's dry growing season has raised several soil fertility questions. In some cases, there have been relatively normal crop production and no need for management changes. In other situations with severely damaged crops, there is potential for adjustments for the 2013 corn crop.